3.3L of a gas is collected at 40 degrees c. What will its volume be if it is heated up to 57 degrees C

Answers

Answer 1

Considering the Charles' law, the volume if it is heated up to 57 degrees C will be 3.48 L.

Charles' law

Charles' law establishes the relationship between the volume and the temperature of a gas sample at constant pressure: when the temperature is increased, the volume of the gas also increases and when the temperature is decreased, the volume decreases.

That is, the volume is directly proportional to the temperature of the gas and is expressed mathematically as:

V÷T= k

where

V is the volume.T is the temperature.k is a constant.

Analyzing an initial state 1 and a final state 2, it is fulfilled:

V₁÷T₁= V₂÷T₂

Final volume in this case

In this case, you know:

V₁= 3.3 LT₁= 40 °C= 313 K (being 0 °C= 273 K)V₂= ?T₂= 57 °C= 330 K

Replacing in Charles' Law:

3.3 L÷ 313 K= V₂÷ 330 K

Solving:

(3.3 L÷ 313 K)× 330 K= V₂

3.48 L= V₂

Finally, the final volume will be 3.48 L.

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Related Questions

Which of these are correct descriptions of trends in ionic radii moving from left to right across a period
a. First ionization energy increases from left to right across a period
b. removing the second electron requires more energy
c. The energy required to remove the first electron
d. energy required to remove an electron from gaseous atom

Answers

Option (a) First Ionization energy increases from left to right across a period in the periodic table.

The ionization energy is defined as the measure of the capability of an element to enter into chemical reactions requiring ion formation or donation of electrons. Ionization energy is related to the nature of the chemical bonding in the compounds formed by the elements. The first ionization energy increases as we move left to right across a period in the periodic table. The ionization energy increases from left to right across a period due to increasing nuclear charge which results in the outermost electron being more strongly bound to the nucleus.

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There are 12 inches in 1 foot. which of the following conversion factors express this relationship correctly? select all that apply.
12 in/1 ft
1 in x 12 ft
1 ft/12 in
1/(1 in x 12 ft)

Answers

Answer:

12 in/1 ft and 1 ft/12 in

Explanation:

The conversion factor means the equal value of the expression.

Here in this case, "there are 12 inches in 1 foot is the statement" which means one foot contains 12 inches.

In the given options, 12 in/1 ft means 12 inches per 1 foot, and 1ft/ 12in means 1 foot for 12 inches which are technically the same.

There is a formula that supports this statement. That is

Conversion factor = Required yield / Recipe yield

or

Conversion factor= What you need/ What you have

Hence both 12in/1 ft and 1ft/ 12 in are the correct answers.

Which of the following equation describe(s) particle-like behaviour? Which describe(s) wavelike behaviour? Do any involve both types of behaviour?
a. C=γλ b. E=mc 2
c. γ= Z
n 2
a 0


d. E=hγ e. λ= m v
h

Answers

When light travels from one medium (such as air) to another (such as water), its direction changes. Refraction describes this wave-like behavior.

What is particle-like behavior and wavelike behavior?The particle-like behavior is most visible due to quantum mechanics phenomena associated with measurement. The uncertainty principle dictates that when the particle's location is measured, it is forced into a more localized state.All waves have distinct characteristics. They can be refracted, reflected, interfered with, and diffracted.Light can be defined as both a wave and a particle. Two experiments in particular have demonstrated the dual nature of light.

Here,

(a) c = vλ , wave speed, wavelength, and frequency are all purely wave properties that describe wave motion.

(b) E = mc²

Because mass is a particle property, it represents particle behavior.

(c) r = n²a₀/Z. Here radius, definite position for particle, thus describing particle behavior.

(d) Since E = hv is a wave property, this equation describes a wave function.

(e) λ = h/mv.  Here m is particle property and λ wave property. As a result, it describes both particle and wave behavior.

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Why are water quality standards important

Answers

Answer:

Explanation:

Water is essential to all life on Earth. Necessary for the survival of all living species, water plays a significant role in human life, from our health to the economy. By preserving and supporting good water quality we benefit the environment, public health, and the protection of water resources for future generations. This Water Quality Month, we’re sharing how protecting water quality in Florida Keys National Marine Sanctuary is crucial to preserving the clear waters, expansive reefs, diversity of marine species, and overall way of life in the Keys.

Water Quality Threats

Water quality is a complex issue, impacted by pollution, weather, tides, human activities, and many other factors. In the Keys, threats to water quality are categorized as local, regional, or global in nature. Local threats are issues like stormwater runoff, wastewater, organic debris, sedimentation, and harmful vessel discharges. Regional threats are associated with water quality disturbances originating from outside the Keys, such as from the Gulf of Mexico and South Florida. The Florida Keys are connected to these areas by currents and tides, which can move polluted water into the sanctuary. Globally, increasing temperatures and ocean acidification impact our waters, while sea level rise and changing storm and rainfall patterns may increase runoff of various land-based pollutants into nearshore waters.

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the value for h of the following reaction is -126 kj/mol. you are tasked with making 2.00 moles of naoh. how much heat is transferred into or out of the system in the process? select the answer with the sign that properly indicates the direction of heat flow.

Answers

The value for h of the following reaction is -126 kJ/mol. you are tasked with making 2.00 moles of NaOH. 63 kJ heat is released out of the system in the process.

Exothermic chemical reactions are those that release energy. When bonds are broken in the reactants during exothermic reactions, more energy is released when bonds are formed in the products. The reaction mixture's temperature rises as a result of exothermic reactions.

Now, consider the given equation:

2 Na₂O₂ (s) + 2 H₂O (l) → 4NaOH (s) + O₂ (g)

Given,  ΔH = -126 kJ

As we know,

4 moles of NaOH - (-126) kJ  

2 moles of NaOH - X

it means,

4 × X = (-126) × 2

⇒ 4X = -252

⇒X = -63kJ

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The complete question is:

The value for h of the following reaction is -126 kJ/mol. you are tasked with making 2.00 moles of NaOH. how much heat is transferred into or out of the system in the process? select the answer with the sign that properly indicates the direction of heat flow.

2 Na₂O₂ (s) + 2 H₂O (l) → 4NaOH (s) + O₂ (g)

A) 252

B) 63

C) 3.9

D) 7.8

T/F atomic layer-by-layer deposition of pt on pd nanocubes for catalysts with enhanced activity and durability toward oxygen reduction

Answers

It's true that pt on pd nanocubes were built up atomically, layer by layer, to make catalysts with better oxygen reduction activity and durability. A chemical element is made up of an atom.

Which is the smallest building block of ordinary matter. Every substance—solid, liquid, gas, and plasma—is made up of neutral or ionised atoms. The average atomic diameter is 100 picometers or less. When one or more reactants gain one or more electrons during a chemical reaction, a reduction reaction takes place. A reduction reaction is always the next step after an oxidation reaction. Redox reactions, often referred to as oxidation-reduction reactions, are chemical processes that also involve the movement of oxygen, hydrogen, or halogens between atoms or molecules in addition to electrons.

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______ pipe is very durable, corrosion resistant, and can be used for hot-water distribution lines, but it doesn't last as long as copper piping.
Brass

Answers

Brass pipe is very durable, corrosion resistant, and can be used for hot-water distribution lines, but it doesn't last as long as copper piping.

Write a brief note on brass?A metal alloy composed of copper and zinc is called brass. Brass is one of the most frequently utilized alloys because of its special qualities, which I'll discuss in more depth below. This alloy is used in a seemingly endless number of products and industries due to its versatility.Brass pipe fittings are frequently used to transport liquids like slurries, chemicals, combustible gases, and water. Brass pipe fittings can connect, modify, or control any liquid or gas in pipes in a variety of shapes and thread sizes.

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which of the following binds to plasma proteins? peptide hormones steroid hormones both peptide and steroid hormones neither peptide nor steroid hormones

Answers

The most likely answer is that it is malleable and ductile.

What is periodic table?

The periodic table is an organized arrangement of the known chemical elements. It is arranged in order of increasing atomic number (the number of protons in the nucleus of an atom). Each element is placed in a specific location because of its atomic structure. The table is organized into rows and columns, with each element represented by its atomic number, symbol, name, and atomic mass. The periodic table is used to predict the properties of elements, as well as their compounds. It is also used to identify the elements in a compound and determine the number of atoms present in a given sample.

Section A of the periodic table is made up of the alkali metals, which are generally soft and have low melting points, making them malleable and ductile. They are also solid at room temperature and poor conductors of electricity.

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A mixture of 0.4850 M CO and 0.4300 M Cl2 is enclosed in a vessel and heated to 1000 K .
CO(g)+Cl2(g)↽−−⇀COCl2(g)c=255.0 at 1000 K

Calculate the equilibrium concentration of each gas at 1000 K
.

Answers

Therefore, the equilibrium concentrations of CO, Cl2, and COCl2 are:

[CO] = 0.4850 M [Cl2] = 0.4300 M [COCl2] = 55.3275 M

What are equilibrium concentrations?

Generally, To calculate the equilibrium concentrations of each gas at 1000 K, we need to use the equilibrium constant expression for the reaction:

Kc = [COCl2] / [CO][Cl2]

We are given the initial concentrations of CO and Cl2, and the value of Kc at 1000 K.

We can use this information to solve for the equilibrium concentrations of each gas.

First, we can use the initial concentrations to find the equilibrium concentrations of CO and Cl2.

[CO] = 0.4850 M [Cl2] = 0.4300 M

Using the equilibrium constant expression we can find the equilibrium concentration of COCl2

Kc = [COCl2] / (0.4850 M)(0.4300 M) = 255.0

Therefore,

[COCl2] = Kc * [CO] * [Cl2]

= 255 * 0.4850 * 0.4300

= 55.3275 M

At equilibrium, the concentrations of the reactants and products will not change over time.

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Be sure to answer all parts. What are the charge and coordination number of the central metal ion in each of the following compounds? Compound | Charge | Coordination numberCo(NH3)4(NO2)2]ClK2CuCl4

Answers

The coordination number and the charge on the central metal are :

1) [Co(NH₃)₄(NO₂)₂]Cl : coordination number is 6 and charge is +3.

2) K₂[CuCl₄] : coordination number is 4 and charge is +2.

The coordination number and the charge on the central metal are :

1)[Co(NH₃)₄(NO₂)₂]Cl

The coordination number is 4

The charge on Co :

Oxidation number of NH₃ = 0

Oxidation number of NO₂ = -1

Oxidation number of Cl = -1

[Co(NH₃)₄(NO₂)₂]Cl  

Co + 0 + (-2) + (-1) = 0

Co = +3

2) K₂[CuCl₄]

The coordination number is 4.

The oxidation number is :

K₂[CuCl₄]

2 + Cu + (-4) = 0

Cu = + 2

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module 9 lesson 4: colligative properties slide 2: colligative properties when you add a to a , the properties of the resulting are different than those of the pure . these different properties are called . definition: colligative properties do not depend on , but they do depend on the . 3 colligative properties are: slide 3: number of solute particles ionic compounds break into their when they in solution, whereas compounds stay together as molecules. what is the number of particles a solute breaks into known as? what is the symbol? the the number of particles in the the greater the difference will be for the of the solution compared to the solvent. slides 4

Answers

The number of particles a solute breaks into is known as the van't Hoff factor (i) and is represented by the symbol i.

Colligative properties are properties of a solution that depend on the concentration of solute particles, but not on the nature of the solute. Three colligative properties are:

1. Lowering of freezing point: when a solute is added to a solvent, the freezing point of the resulting solution is lower than that of the pure solvent.

2. Elevation of boiling point: when a solute is added to a solvent, the boiling point of the resulting solution is higher than that of the pure solvent.

3. Osmotic pressure: solutions have an osmotic pressure, which is the pressure required to prevent the flow of solvent into the solution through a semipermeable membrane.

When an ionic compound dissolves in a solvent, it breaks into its individual ions, whereas non-ionic compounds stay together as molecules. The number of particles a solute breaks into is known as the van't Hoff factor (i) and is represented by the symbol i. The greater the van't Hoff factor, the greater the difference will be for the colligative properties of the solution compared to the solvent.

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estimate the approximate co2 concentration in 2100, assuming that the co2 concentration continues to rise as fast as it did from 1975 to 2010.

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By 2100, CO2 levels rise to about 420 ppm, almost 20 ppm over current levels, which, when additional forcings are taken into account, equals 475 ppm (in CO2e). Global temperatures are predicted to increase by 1.3–1.9C over pre-industrial levels by 2100.

According to climate models that simulate a high emissions scenario (RCP8.5), the world's average temperature will rise by at least 4 °C by 2100. Model simulations based on scenarios that would reduce emissions significantly and continuously through the end of the century (RCP2). According to climate models that simulate a high emissions scenario (RCP8.5), the world's average temperature will rise by at least 4 °C by 2100. Model simulations based on scenarios that would reduce emissions significantly and continuously through the end of the century (RCP2).

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When measuring the volume of a liquid in a graduated cylinder, look at the __________.

Answers

Meniscus. The graduated cylinder is calibrated so that, when viewed at eye level, reading the bottom of the meniscus will produce precise readings.

What is a graduated cylinder?

A popular piece of scientific equipment used to measure the volume of a liquid is a graduated cylinder, sometimes referred to as a measuring cylinder or mixing cylinder. Its form is slender and cylindrical. The measured amount of liquid is shown by each marked line on the graduated cylinder.

An item of laboratory equipment known as a measuring cylinder, graduated cylinder, cylinder measurement, or mixing cylinder is used to measure the number of liquids, chemicals, or solutions during routine lab work. Compared to standard laboratory flasks and beakers, graduated cylinders are more exact and accurate.

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What is the formula for the polyatomic ion thiocyanate?

Answers

Answer:

Explanation:

Names  -  Formula

peroxide (O2 2−)

cyanide (CN−)

cyanate (OCN−)

thiocyanate (SCN−)

Assume that solutions of hydrochloric acid (HCI) and hydrofluoric acid (HF) are prepared and small samples are collected and analyzed to determine the ionization that occurs. a. Based on the data below, calculate the percent ionization for each acid solution. Calculations for Solution A have been completed for you as an example. (3 points) . Solution Initial Of acid moleculs Molecul reacted/Initial of percent . of acid that reacted melecul ionization . moleculs A 0.06 M HCL 40 40 40/40 100%B 0.06 M HF 40 8 C 0.03 M HCL 20 20 D 0.03 M HF 20 4 . b. What properties define a weak acid from a strong acid? (1 point C. Based on the data table above, which solutions would be classified as a strong acid? Explain your answer. (2 points) d. Which solutions would be classified as a weak acid? Explain your answer. (2 points)

Answers

To calculate the percent ionization for each acid solution, we need to divide the number of acid molecules that have reacted (ionized) by the initial number of acid molecules, and then multiply by 100%.

Properties that define a weak acid from a strong acid are that weak acids have a lower dissociation constant, meaning that not all acid molecules will ionize in water. Strong acids have a high dissociation constant, meaning that almost all acid molecules will ionize in water.  Based on the solution , solutions A and C would be classified as strong acids because they have a high percent ionization, 100%. This means that almost all acid molecules will ionize in water. Based on the solution, solutions B and D would be classified as weak acids because they have a low percent ionization, 20%. This means that not all acid molecules will ionize in water.

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The complete question is:

Assume that solutions of hydrochloric acid (HCI) and hydrofluoric acid (HF) are prepared and small samples are collected and analyzed to determine the ionization that occurs. a. Based on the data below, calculate the percent ionization for each acid solution. Calculations for Solution A have been completed for you as an example. (3 points) . Solution Initial Of acid moleculs Molecul reacted/Initial of percent . of acid that reacted melecul ionization . moleculs A 0.06 M HCL 40 40 40/40 100%B 0.06 M HF 40 8 C 0.03 M HCL 20 20 D 0.03 M HF 20 4 . b. What properties define a weak acid from a strong acid? (1 point C. Based on the data table above, which solutions would be classified as a strong acid? Explain your answer. (2 points) d. Which solutions would be classified as a weak acid? Explain your answer. (2 points)

Please help I don't get this please just help me and quick it's a virtual lab.

Answers

The identification of the specimens with the aid of a dichotomous key is given below:

LegsWingsAntennaeStinger Claws

The specimen used here is a butterfly because of the parts shown and their various functions.

What is a Dichotomous Key?

A dichotomous key aids in the identification of unidentified specimens based on their traits since it consists of a sequence of questions has a straightforward yes/no format, is based on observable traits, and lets you concentrate on crucial characteristics.

The specimen used here is a butterfly.

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define order of reaction​

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Answer:

The order of a chemical reaction is a measure of the dependence of the rate of the reaction on the concentration of one or more of the reactants. In other words, it describes how the rate of the reaction changes as the concentration of one or more reactants changes.

There are three main types of order of reactions:

Zero-order reactions: The rate of a zero-order reaction is independent of the concentration of reactants. The rate is constant and the reaction rate is given by k (the rate constant)First-order reactions: The rate of a first-order reaction is directly proportional to the concentration of one reactant. The rate of reaction is given by k [A], where [A] is the concentration of reactant A.Second-order reactions: The rate of a second-order reaction is directly proportional to the concentration of two reactants. The rate of reaction is given by k [A] [B], where [A] and [B] are the concentrations of reactants A and B.

It's important to note that the order of a reaction is not the same as the stoichiometry of a reaction, which describes the ratio of reactants and products in a chemical equation.

Answer:↓The power dependence of the rate on the concentration of each reactant.Explanation:

→A reaction that proceeds at a rate that depends linearly on only one reactant concentration.

what mass of potassium hydroxide (KOH) is present in 300cm³ of 0.1 mol/dm³ solution of KOH​

Answers

First convert cm3 to dm3 so that there both the same unit.
Must divide by 1000
300cm^3÷1000
0.3dm^3

Then use the formula C=n/V
C=concentration
n=moles
V=volume

0.1=n/0.3
nKOH=0.03

Then change to grams.
use formula
n=m/M

n=moles
m=mass in grams
M=molar mass.
0.03=m/56
mKOH=1.68g

Molar mass of KOH from periodic table= 39+16+1=56g/mol

for the following unbalanced chemical equation, suppose that exactly 5.05 g of each reactant is taken. determine which reactant is limiting, and calculate what mass of each product is expected (assuming that the limiting reactant is completely consumed). enter the formula for the limiting reactant.

Answers

We must count the moles of each reactant and divide this amount by the reactant's psychometric coefficient in order to identify the limiting reactant.

The limiting reactant would have the lowest value.

S (32 g/mol), Divide the amount of moles of S (5/32 = 0.15625) by the psychometric factor, 1 to get 0.15625.

For H2SO4, Divide the number of moles of H2SO4 by the psychometric coefficient,2 which comes to 0.02551.

Therefore the limiting reactant is H2SO4.

Mass of each product once the limiting reactant has been completely used up.

Mass of H2O = 0.0510 mol H2SO4 * (2 mol H2O/ 2 mol H2SO4) * (18 g H2O/ 1 mol H2O) * 0.918 mol H2O = 0.918 g H2O.

Mass of SO2 is equal to 0.0510 mol H2SO4 * (3 mol SO2/ 2 mol H2SO4) * (64 g SO2/ 1 mol SO2) * (4.896 g).

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Given the mass ratios of iron to oxygen, which of the following samples could be the mineral hematite, Fe2O3? A. 2:3 B. 3:2 C. 2.3:1 D. 3.5:1

Answers

The mass ratios of iron to oxygen in the mineral hematite is 3:1 which means that option 2 is the correct choice.

Hematite, additionally spelled haematite, heavy and comparatively tough oxide mineral, ferric oxide (Fe2O3), that constitutes the maximum crucial iron ore due to its excessive iron content (70 percent) and its abundance. Its call is derived from the Greek phrase for “blood,” in allusion to its pink colour. It is one of the greatest iron ores withinside the global and one of the maximum crucial pigment minerals as well. It is a dense and cheaper material. It is likewise used for ballasts for ships. It is used as gem stones or in making jewelry as well.

Thus, the correct option is 2.

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complete the mechanism for this reaction by adding the missing curved arrow notation and lone pair electrons. then in part two select the common elementary steps.

Answers

Curved arrows are very important in organic chemistry and using them in common is essential to mastering the subject.

In fact, it is like the operating system of organic mechanism, so the sooner you master the principle behind it, the easier it will be for you to understand many concepts in organic chemistry. Every curved arrow has a head and a tail for showing the flow of electrons from a high electron density to a low electron density center. The arrow must start from the middle of a lone pair or a covalent bond.

In this reaction, the electrons move from the Cl to the carbon and as a result, a new bond is formed.

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What is the molarity of a solution containing 10g of NaOH in 500 mL of the solution?
a. 0.25 mol L^-1
b. 0.75 mol L^-1
c. 0.5 mol L^-1
d. 1.25 mol L^-1

Answers

The molarity of a solution is defined as the number of moles of solute per liter of solvent. To find the molarity of a solution containing 10g of NaOH in 500 mL of the solution, we can use the formula:

Molarity = moles of solute / liters of solvent

First we need to convert the mass of NaOH to moles. The molar mass of NaOH is 40 g/mol.

moles = mass / molar mass = 10g / 40 g/mol = 0.25 mol

Then we can calculate the molarity by using the formula above

Molarity = moles of solute / liters of solvent = 0.25 mol / (0.5 L) = 0.5 mol L^-1

The answer is c. 0.5 mol L^-1

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there are three sets of sketches below, showing the same pure molecular compound (hydrogen chloride, molecular formula ) at three different temperatures. the sketches are drawn as if a sample of hydrogen chloride were under a microscope so powerful that individual atoms could be seen. only one sketch in each set is correct. use the slider to choose the correct sketch in each set. you may need the following information: melting point of : boiling point of :

Answers

Boiling point  is -85°C , this implies that above this temperature HCl will be in gaseous phase.

Here melting point is -114.8°C , this implies that below this temperature HCl will be in solid phase.

Now, Boiling point  is -85°C , this implies that above this temperature HCl will be in gaseous phase.

Solid -------> -114.8°C ------> Liquid -------> -85.1°C --------> gaseous

A :- Temperature -131°C  here HCl will be present in solid state, and molecules will present in orderly fashion.

B :- Temperature -98°C  here HCl will be present in Liquid state, and molecules will present in less orderly fashion.

C :- Temperature -53°C  here HCl will be present in gaseous state, and molecules will present far apart.

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a. from first principles, derive the equation for radioactive decay and explain the meaning of the decay constant.

Answers

Suppose N is the size of a population of radioactive atoms at a given time t, and dN is the amount by which the population decreases in time dt; then the rate of change is given by the equation dN/dt = −λN, where λ is the decay constant.

What is meant by constant?

A number with a fixed value in a specific context or globally, or that is a feature of some substance or instrument, are examples of things that are constant or unchanging.A number that is presumptively constant in a certain mathematical debate.During an experiment, you maintain a constant variable, also referred to as a control variable.Constant is frequently paired with the words faithful, loyal, resolute, staunch, and unwavering.Constant refers to not being dependent on another factor and remaining the same when that factor changes.A constant is a value or number that is consistently the same regardless of how it is expressed.

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osmosis practice ws directions: check the correct box in the chart below: statement isotonic solution hypotonic solution hypertonic solution 1. the concentration of the solute in the solution is lower than the concentration inside the cell. 2. when a cell is placed in this solution, water will enter the cell by osmosis causing it to swell. 3. the concentration of the solute in the solution is the same as the concentration inside the cell. 4. the concentration of the solute in the solution is higher than the concentration inside the cell. 5. when this solution is injected into the body no cell disruption occurs because no net osmosis occurs. 6. putting a plant in this solution will result in water loss and cause the plant to wilt. 7. the cell will shrivel when placed in this type of solution. 8. when a cell is placed in this type of solution, there will be equal amounts of water moving in and out of the cell at equal rates.

Answers

In the given statements: 1 and 2 are hypotonic solutions, 4, 6, and 7 are hypertonic solutions, and 3, 5, and 8 are isotonic solutions.

Hypotonic solution is the kind of solution in which the solute has a lower concentration than the other solution which is the solvent. Water particles will move into the cell, causing the cell to expand and eventually lyse or burst.

A hypertonic solution is a solution in which the solute's concentration is higher than the concentration of the solvent. Here, water particles move out of the cell causing crenation, shrinking, and shriveling of the cell.

An Isotonic solution is a solution that has the same solute concentration as the solvent. There is no evident net movement of particles from one solution to other, and therefore the overall concentration remains constant.

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Which reagent will you use for the following reaction? CH 3 CH 2 CH 2 CH 3 ⎯→ CH 3 CH 2 CH 2 CH 2 Cl + CH 3 CH 2 CHClCH 3 (i) Cl 2 /UV light (ii) NaCl + H 2 SO 4 (iii) Cl 2 gas in dark (iv) Cl 2 gas in the presence of iron in dark

Answers

You will use (iii) Cl2 gas in the dark for the reaction listed in the problem.

What exactly is the reagent?

Reagents are substances or compounds that are added to a chemical reaction to help it produce the desired outcomeA reaction between two or more other substances is frequently induced by the use of reagents, which can be in the form of a solid, liquid, or gas. Reagents can also be used in the laboratory to identify, quantify, or examine a sample's chemical make-up. Chemicals such as acids, bases, salts, solvents, catalysts, enzymes, and other substances are the most typical reagents. Reagents are utilized in a wide range of sectors, including the pharmaceutical, agricultural, electronic, and food manufacturing.

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Elements in the same
column (group/family) are

Answers

Elements in the same group or family in the periodic table are called congeners. For Example, the congeners in Group 1 are Sodium, Potassioum and Lithium.

Elements in the same group or family in the periodic table have the same number of valence shell electrons in their outermost shell. Therefore, they share some of the same physical and chemical properties. They may also share their reactivity properties. When same physical and chemical properties are present in a group, it is called a trend. When an element deviates from a trend, it is called an exception.

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what is the molecular relationship between the pair of molecules below? select your answer from the drop down box below.

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The first molecule has methyl in the second position and -OH in the third. But in the second, methyl is in position 3 and -OH is in position 2. Consequently, the compounds listed(See Picture) are constitutional isomers.

The exact pair being discussed will determine the molecular connection between the two molecules. It is hard to ascertain the connection without further background knowledge or details regarding the pair of molecules.

Structure-related isomers, stereoisomers, enantiomers, conformers, tautomers, protonation states, and other connections between molecules are examples. Understanding the connection is crucial in areas like pharmaceutical chemistry and materials science since it will alter the characteristics and reactivity of the molecules. With the information available, it is impossible to establish the link between the two molecules. It would be essential to know more about the characteristics, chemical structure, and bonding of the two molecules in order to identify their connection. It is impossible to ascertain their relationship without this information.

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The complete question is:

What is the molecular relationship between the pair of molecules below (See Picture)?

Which change in energy is taking place in this image ?

Answers

Answer:

Pretty sure it's B

Explanation:

your answer should be D.

calculate the density of 3.00 x 10^2 gram object that has a volume of 48.5mL. Enter your answer in the provided box

Answers

Answer:

6.22 g/mL

Explanation:

To calculate the density of an object, you divide its mass by its volume (d = m/v).

In this case, the mass of the object is 3.00 x 10^2 grams and the volume is 48.5 mL.

So the density = (mass (g)) / (volume (mL)) = (3.00 x 10^2) / (48.5) = 6.22 g/mL

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