Choose the options below that are true for the entropy of a substance. Select all that apply: Heavier atoms possess greater entropy at a given temperature than lighter atoms. The weight of an atom has no effect on entropy. Molecules with greater numbers of atoms are associated with lower entropy. The entropy of a substance is influenced by the structure of the particles that comprise the substance.

Concerning atomic substances, heavier atoms possess greater entropy at a given temperature than lighter atoms, which is a result of the relation between a particle's mass and the spacing of quantized translational energy levels.

2. The weight of an atom has no effect on entropy - False.

The entropy of a substance increases with its molecular weight, complexity, and with temperature.

3. Molecules with greater numbers of atoms are associated with lower entropy - False.

Any chemical reaction that increases the number of molecules also increases entropy as a chemical reaction that increases the number of molecules would be a reaction that pours energy into a system.

4. The entropy of a substance is influenced by the structure of the particles that comprise the substance - True.

The structure of the particles (atoms or molecules) in a substance influences its entropy.

For molecules, greater numbers of atoms (regardless of their masses) increase how the molecules can vibrate and thus the number of possible microstates and the system entropy.

mboluwape mboluwape · Answer 2 · 2022-03-11T12:08:28+01:00

Heavier atoms possess greater entropy at a given temperature than lighter atoms and the entropy of a substance is influenced by the structure of the particles that comprise the substance.

What is entropy?

Entropy measure the rate at which a system disorders or disorganized.

Heavier atoms possess greater entropy at a given temperature than lighter atoms this is true

concerning atomic substances as the rate of disorderliness is high as a result of their particle's mass.

The entropy of a substance is influenced by the structure of the particles that comprise the substance this is true because the structure of the particles determines how the the movement of the substance will be to cause disorderliness.

Therefore, Heavier atoms possess greater entropy at a given temperature than lighter atoms and the entropy of a substance is influenced by the structure of the particles that comprise the substance.

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