CHEMISTRY HIGH SCHOOL

Which is true about the temperature of a gas?At a higher temperature, the particles have a higher average kinetic energy.
At a higher temperature, the volume of the gas is smaller.
At a lower temperature, there are more particles in the gas.
At a lower temperature, the particles in the gas move faster.

Answers

Answer 1
Answer: The statement that true about the temperature of a gas is at  a higher temperature, the particles have a higher average kinetic energy. The rest of the choices do not answer the question above.
Answer 2
Answer:

Answer:

A

Explanation:

Took the test Got it right

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The maximum energy available for useful work from a spontaneous reaction(A) free energy
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Answers

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Answers

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The first table was arranged by atomic mass, but later Mosely improved it by arranging by _______________.

Answers

Order of increasing atomic mass!

hope this helps :)
The first table, created by Mendeleev, was arranged by increasing atomic mass. However, it was later changed by Mosley, who arranged it the way it is today. He organized it by atomic number.

A rapid and continuous series of nuclear reactions is called a chain reaction. true or false?

Answers

I think the answer is false. A chain reaction is not strictly for nuclear reactions only. It can be to other types of chemical reaction. As long as, it follows the three main steps which are initiation, propagation and termination.

Is it easier to form a positive ion with an element that has a high ionization energy or element that has a low ionization energy? Explain.

Answers

Think about it.  Considering ionisation energy is the energy required to remove a single electron from the valence shell of an element in the ground state, the less energy it takes, the easier it is to remove.  

Final answer:

It's easier for elements with low ionization energy to form cations. Examples include elements in the first group of the periodic table such as Lithium and Sodium. As more electrons are removed from an atom, the ionization energy increases due to stronger electrostatic attraction.

Explanation:

In the context of ion formation, it is easier for an element with low ionization energy to form a positive ion or a cation. Ionization energy is the minimum amount of energy required to remove an electron from an atom in its ground state. Elements with low ionization energy can easily lose an electron to form cations as the energy required to remove the electron is not high.

For example, elements in the first group of the periodic table, such as Lithium (Li), Sodium (Na), and Potassium (K), have relatively low ionization energies and thus, easily lose their one valence electron to form cations. On the contrary, elements with high ionization energies have a stronger hold on their electrons and are thus less likely to lose an electron and form a positive ion.

Furthermore, the successive ionization energies for a single element always increase. This is because removing an electron from an already positively charged ion or cation requires more energy due to the stronger electrostatic attraction that the ion has for its electrons. This makes it progressively harder to remove additional electrons, and create ions with higher positive charges.

Learn more about Ion Formation here:

brainly.com/question/35902641

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