Spontaneity, Entropy and Thermodynamics
Authored by K Beirne
Biology, Other
10th Grade - University
Used 89+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The first law of thermodynamics states that :
A process occurring at constant temp and pressure is spontaneous in the direction in which free energy decreases.
Entropy of a perfect crystal at 0 K is zero.
For any spontaneous process there is always an increase in the entropy of the universe.
Energy in the universe is constant.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The second law of thermodynamics states that :
A process occurring at constant temp and pressure is spontaneous in the direction in which free energy decreases.
Entropy of a perfect crystal at 0 K is zero.
For any spontaneous process there is always an increase in the entropy of the universe.
Energy in the universe is constant.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The third law of thermodynamics states that :
A process occurring at constant temp and pressure is spontaneous in the direction in which free energy decreases.
Entropy of a perfect crystal at 0 K is zero.
For any spontaneous process there is always an increase in the entropy of the universe.
Energy in the universe is constant.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Free energy is a state function.
True
False
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
A process i said to be spontaneous if
It is exothermic
It occurs without outside intervention
Entropy is decreased
Products favor the reactants
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Which 2 answers best describe entropy
a measure of molecular randomness or disorder
natural tendency towards order
decreases in a spontaneous reaction
denoted by the symbol S
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Free energy is represented by the letter
F
E
G
S
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