in the formation of 1.0 mole of the following crystalline solids from the gaseous ions, the most energy is released by

Answers

Answer 1

Calcium carbonate (CaCO3). The process of forming a solid from a gas involves the release of energy in the form of heat, as the ions form strong electrostatic bonds with one another.

What is the energy ?

Energy is the capacity to carry out tasks or affect change. It can be found in many forms, such as heat, light, chemical energy, electrical energy, mechanical energy, gravitational energy, sound energy, and nuclear energy. Energy is used to power our homes, run our transportation systems, and fuel industry. It is essential for our everyday lives, and is necessary for the functioning of all living organisms. Energy is also a key factor in the Earth's climate, as it affects the temperature, precipitation, and other weather patterns. In order to ensure sustainable energy use and protect the environment, it is important to use energy wisely and to invest in renewable sources.

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Related Questions

Determine which intermolecular forces are the dominant (strongest) forces for a pure sample of each of the following molecules by placing the molecules into the correct bins. Drag the appropriate molecular formula to their respective bins.
[Ne] [HCl] [Cl2] [CH3Cl] [CH3 NH2] [C2H3OH]
Dispersion forces Dipol-dipolo forces Hydrogen bonding forces

Answers

When we talk about intermolecular forces, we generally refer to three types. The weakest forces are those of dispersion. The second is a stronger and more dominant force. If it is present.

That occurs only when we have polar molecules, dispersion forces being identified with all molecules, including non-polar molecules and polar molecules, and then having rather strong dipoledipale forces. It has a distinct name because it is an intermolecular force that arises when a polar molecule has a hydrogen that is directly coupled to a nitrogen, oxygen, or florine. The intermolecular force in this scenario is so intense that we name it hydrogen. If we bind for the first molecule, To draw its Lewis structure, we can see that a hydrogen is connected to a carbon.

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1. What is the sum of the coefficients when the following equation is balanced using the lowest, whole numbered coefficients?
NH3(g) + O2(g) => NO (g) + H2O(g)
Group of answer choices
a, 19
b, 17
c, 15
d, 13
e, 21

Answers

Answer:

A: 19

Explanation:

It takes trial and error to balance a chemical equation, but after fidgeting with it for a while the lowest, whole-number coefficients are as follows:

4NH3(g)+5O2(g)⇒4NO(g)+6H2O(g)

We can check this by simply counting the number of molecules on either side of the equation, and adjusting as needed. It's important to remember that we can only ever change the coefficients to balance, never the subscripts.

Once counting the coefficients, we reach a sum of 19.

4+5+4+6=19

The Russian Space Agency uses potassium superoxide (KO,) for the chemical oxygen generators in their space suits. 4K02 + 2H20 + 4C02 - 4KHCO + 302 Using the balanced equation above, determine the amounts each substance reacted or produced in the reaction, given that 380.0 g of 02 was produced.

Answers

The amount of the potassium superoxide that reacted in the equation is  15.9 moles.

What is the amount of the potassium super oxide that was reacted?

We have to note that the amount of the potassium super oxide that was reacted in this case can be obtained from the stoichiometry of the reaction.  Looking at the stoichiometry of the reaction, we can now be able to understand that;

Number of moles of oxygen produced = 380 g/ 32 g/mol

= 11.9 moles

4 moles of the potassium super oxide produced 3  moles of oxygen

x moles of potassium super oxide produced 11.9 moles of oxygen

x = 4 * 11.9/3

= 15.9 moles

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What is the oxidation of each element in the following chemical reaction and identify which are oxidized and reduced: sio2 (s) 2h2o -> h4sio4 (aq)

Answers

The oxidation of each element in the following chemical reaction and identify which are oxidized and reduced,Hydrogen: Reduced from +1 to 0.

What is the oxidized ?

Oxidation is a chemical reaction that involves the transfer of electrons from one molecule or atom to another. In other words, it is a process in which an element or compound loses one or more electrons. Oxidation occurs when an atom or molecule gains oxygen or loses a hydrogen atom. Oxidation can also occur when a substance is exposed to light, heat, or other forms of energy. Oxidation can lead to the production of free radicals, which can cause cell and tissue damage, resulting in various diseases, such as cancer and heart disease.

Oxidation:

Sulfur: Oxidized from 0 to +4

Oxygen: Oxidized from -2 to 0

Reduction:

Hydrogen: Reduced from +1 to 0

Explanation: In this reaction, sulfur is oxidized from 0 to +4 as it gains 4 electrons. Oxygen is oxidized from -2 to 0 as it gains 2 electrons. Hydrogen is reduced from +1 to 0 as it loses 1 electron.

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Convert molecules of vitamin D (molar mass 384.7 g/mol) to grams of vitamin D. Select the correct units and conversion factors for each step in the following unit roadmap.

Answers

last option is correct, (384.7 g/mol) * (1 mol/6.023*10^23). The smallest unit of a material, a molecule possesses both its physical and chemical characteristics. One or more atoms make up molecules.

Moles = Molecules/6.022*10^23

Mass = Moles * molar mass  

Mass = Molecules * molar mass / 6.023*10^23

Mass = (Molecules/6.023*10^23) * (384.7 g/mol)

Thus last option is correct.

(384.7 g/mol) * (1 mol/6.023*10^23)

Compound molecules include atoms from two or more distinct elements. As an illustration, the molecule of water (H2O) has three atoms: two hydrogen (H) atoms and one oxygen (O) atom. Common greenhouse gas methane (CH4) has five atoms: one carbon (C) and four hydrogen atoms (H, see Fig. 2.9). There are three different kinds of molecules: atom-sized molecules, element-sized molecules, and compound-sized molecules.

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Classify each of the following materials as an element, compound, heterogeneous mixture, or a homogeneous mixture:
(a) air
(b) water
(c) diamond
(d) soil

Answers

Air is a homogeneous mixture, water is a compound, diamond is an element, and soil is heterogeneous.

(a) Air is a homogeneous mixture of gases, primarily nitrogen (78%), oxygen (21%), and trace amounts of other gases such as argon, carbon dioxide, and neon.

Air is a mixture of several different elements and compounds and the composition of air can vary depending on location and altitude.

(b) Water is a compound consisting of two hydrogen atoms and one oxygen atom, chemically represented as H2O. It is a clear, odorless, and tasteless liquid that is essential for all forms of life on Earth.

Water is a pure substance and not a mixture of any other compounds or elements.

(c) Diamond is an element made up entirely of carbon atoms. It is a naturally occurring mineral and is one of the hardest and most durable substances known.

It is a pure substance and not a mixture of any other compounds or elements.

(d) Soil is a heterogeneous mixture of organic and inorganic materials such as minerals, rocks, organic matter, water, and air.

Soil is composed of a variety of different compounds and elements and it can vary greatly in composition depending on the location and the environment.

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which two planets have the most similar eccentricity?
help please 20 pts!!

Answers

Answer:Venus and mars

Explanation:

Venus and Mars are the most like Earth, but in different ways. In terms of size, average density, mass, and surface gravity, Venus is very similar to Earth. But Mars is the planet that is most similar to Earth in other ways.

Only one planet in our solar system is particularly eccentric: Mercury with an eccentricity of 0.21. The dwarf planet Pluto also has an eccentricity of 0.25.

Choose the appropriate actions to take in the event of a spill. (More than 1 answer may be correct.) O If splashed with a large quantity of liquid, wipe off contaminated clothing. O Use a spill pillow to absorb liquids with nontoxic vapors O Contaminated clothing must removed & treated as hazardous waste O Nonvolatile liquid spills require lab evacuation O Spilled solid should be returned to its original bottie If solid is spilled on skin wash scrape off, then wash with water O Eyewashes should be used for at least 15 minutes, O Use a small brush & dustpan when cleaning up a solid. O If splashed with a large quantity of a chemical, use the shower immediately

Answers

2)Use a spill to absorb the liquid with non toxic vapors

3)contaminated clothing must be removed and treated as hazardous waste

9)If splashed with a large amounts of chemicals use the shower immediately

These three are the appropriate actions to take in the event of spill,clean up the spill and clean up any damage and treat is important action to take in even of spill

Provide assistance for safety showers and doing eye washes to control the contamination to other areas .

After spillover emergency medical assistance is needed after proper decontamination process.

eyewashes should be used only for 3 minutes so another option is not suitable .

Whenever there is contaminated clothing you should remove the cloth without cleaning and washing so another option is incorrect for the given question.

What is a chemical?

Chemistry is the scientific study of the properties and behavior of matter. It is a natural science that includes the elements that make up matter, down to compounds made up of atoms, molecules and ions.

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12. Which of the following species would require the highest energy for the removal of one electron? A. Na* B. Ne C. F D. Mg²+ 13. How many 3d electrons are present in the ground state of chromium atom? A. 9 B. 6 C. 4 D.5 B. 3 C. 4 D. 1 14. How many significant digits in 0.0250g? A. 2 15. Which orbital cannot exist A. 2p B. 4D C. 2d 16. which one is permissible set of quantum number? A. n-3 1-3 ml= -3 B. n-3 1-1 ml=+2 C. n=0 1=0 ml = 0 D. n-3 1-2 ml= -2 17. Calculate the wave length of an electron that has a velocity of 100x10°m/s (me-9. h= 6.626x10-341/s). A. 6.17x10 m B. 7.27x10 m C. 5.97x10 m D. 2.19x1​

Answers

Because F contains entirely filled shells, a large amount of energy is required to extract the electron from the outermost shell. As a result, it possesses a high ionization energy.

What is quantum number? Cr contains one 4s electron and five 3d electrons, as in periodic tableLeading zeros have no meaning. As a result, the number 0.0250 has three significant figures.The numbers 2, 5, and 0 are important 2d and 3f orbitals are not possible. The n=2 shell only has s and p subshells.The only combination that is not permitted is IV. n = 3, ℓ = 3, mℓ = 0. The primary quantum number (n) can never be 0. As a result, the allowable values of n are 1, 2, 3, 4, and so on. Any integer between 0 and n - 1 can be used as the angular quantum number (l).

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Because F contains entirely filled shells, a large amount of energy is required to extract the electron from the outermost shell. As a result, it possesses a high ionization energy.

What is quantum number?

Cr contains one 4s electron and five 3d electrons, as in periodic table.Leading zeros have no meaning. As a result, the number 0.0250 has three significant figures.

The numbers 2, 5, and 0 are important 2d and 3f orbitals are not possible. The n=2 shell only has s and p subshells.The only combination that is not permitted is IV. n = 3, ℓ = 3, mℓ = 0. The primary quantum number (n) can never be 0. As a result, the allowable values of n are 1, 2, 3, 4, and so on. Any integer between 0 and n - 1 can be used as the angular quantum number (l).

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Select the features that are present in multicellular organisms but not in unicellular organisms.
A.Specialized cells
B.Organ systems
C.Cell division
D.Cell organelles

Answers

The multicellular organisms have a definite shape. The unicellular organism has a simple body organization. They have complex body organization. In a multicellular organism, different cells are specialized to perform different functions.

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