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CHEM 162 Exam 3 Questions & Answers 2026/2027 | Study Guide & Exam Prep

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CHEM 162 Exam 3 Questions & Answers 2026/2027 | Study Guide & Exam Prep

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CHEM 162 Exam 3 (1).pdf~~~)@(&(*&#)))))))))))))))))))))))))))))))))#&*(*&(#*^@!!!!!#~@~##
CHEM 162 Exam 3 (1).pdf~~~)@(&(*&#)))))))))))))))))))))))))))))))))#&*(*&(#*^@!!!!!#~@~##
CHEM 162 Exam 3 (1).pdf~~~)@(&(*&#)))))))))))))))))))))))))))))))))#&*(*&(#*^@!!!!!#~@~##




CHEM 162 Exam 3
First Law of Thermodynamics - CORRECT ANSWER-Law of Conservation of
Energy

Energy can be transferred and transformed, but it cannot be created or
destroyed.

ΔE= Q+W
ΔE=ΔH+PΔV

Gibbs free energy equation - CORRECT ANSWER-ΔG = ΔH - TΔS

G=Energy
H=Enthalpy
T=Temperature
S=Entropy

Spontaneity - CORRECT ANSWER-G=positive--->nonspontaneous
G=negative--->spontaneous (decrease in free energy)

Enthalpy - CORRECT ANSWER-kJ/mol

exothermic---> products more stable than reactants
negative

Entropy - CORRECT ANSWER-A measure of disorder or randomness
J/mol

Higher entropy = more possible arrangements

S=positive--->more random, reactants are lower in entropy and products are
higher (bigger G)

solid<liquid<gas (higher entropy)

more products than reactants(higher entropy)




CHEM 162 Exam 3 (1).pdf~~~)@(&(*&#)))))))))))))))))))))))))))))))))#&*(*&(#*^@!!!!!#~@~##
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