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A) The enthalpy of the universe is constantly increasing.
B) The entropy of the universe is constant.
C) The entropy of an element in its standard state at 25°C is zero.
D) Every spontaneous process is accompanied by an increase in total entropy.
E) Every spontaneous process is accompanied by a decrease in the enthalpy of the system.
F) A) and B)
G) None of the above
G) None of the above
Correct Answer
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Correct Answer
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A) 1 mole of F2(g) ; 1 mole of Cl2(g)
B) 1 mole of I2(s) ; 1 mole of I2(g)
C) 1 mole of CaCO3(s) ; 1 mole of CaO(s) plus 1 mole of CO2(g)
D) 1 mole of H2(g) at 25°C; 1 mole of H2(g) at 50°C
E) 1 mole of O3(g) ; 1 mole of O2(g)
F) A) and C)
G) B) and D)
G) B) and D)
Correct Answer
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Correct Answer
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A) True
B) False
B) False
Correct Answer
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Correct Answer
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A) True
B) False
B) False
Correct Answer
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Correct Answer
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