CHEM 210 Chemical Thermodynamics A Plus Exam Guide Top Scoring Questions and Solutions

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ACS GENERAL CHEMISTRY –
THERMODYNAMICS EXAM WITH
ACCURATE QUESTIONS AND ANSWERS |
GUARANTEED PASS | NEW


What is the third law of thermodynamics? - Correct Answer- The
entropy of a perfect crystal is zero.

What is the second law of thermodynamics? - Correct
Answer-As a whole, the universe always tends towards
increasing entropy.

What is the relationship between number of microstates and
entropy?
- Correct Answer-More microstates = higher entropy

What is the relationship between temperature and entropy?
- Correct
Answer-Temperature increases, entropy increases (direct)

What is the relationship between atomic weight and
entropy? -
Correct Answer-Heavier = increased entropy (direct)

What happens to entropy when a substance is dissolved in
another? - Correct Answer-Entropy increases




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What is the relationship between moles of gas and entropy?
- Correct
Answer-When moles of gas increase, entropy increases (direct)


What is the entropy trend down a group? - Correct Answer-
Increases down a group


What is the relationship between free energy, enthalpy, and
entropy? - Correct Answer-deltaG(system)=deltaH(system)-
TdeltaS(system)

What does change in G measure? - Correct Answer-The extent of
the spontaneity of a process, and the useful energy available from
it


What is the relationship between work and spontaneous
processes? -
Correct Answer-Spontaneous processes
produce work

What is the relationship between work and non-spontaneous
processes? - Correct Answer-Non-spontaneous processes require
work


What does -w mean? - Correct Answer-Work is being
produced -
spontaneous




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