A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = H°/ T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
Multiple Choice
A) Δ S° > 0, Δ H° > 0
B) Δ S° > 0, Δ H° < 0
C) Δ S° < 0, Δ H° < 0
D) Δ S° < 0, Δ H° > 0
E) All reactions are spontaneous at some temperature.
Correct Answer
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Multiple Choice
A) K > Q
B) K < Q
C) K = Q
D) K = 1
E) Q = 1
Correct Answer
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Multiple Choice
A) 1 mole He( g) ; 1 mole Kr( g)
B) 1 mole O 2( g) ; 2 mole O( g)
C) 1 mole CH 4( g) ; 1 mole C 2H 6( g)
D) 1 mole Xe( g) at 1 atmosphere; 1 mole Xe( g) at 0.5 atmosphere
E) 20 one-dollar bills distributed randomly among 20 people; 20 one-dollar bills distributed randomly among 10 people
Correct Answer
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True/False
Correct Answer
verified
Multiple Choice
A) The reaction is only spontaneous at low temperatures.
B) The reaction is spontaneous at all temperatures.
C) ΔG° becomes less favorable as the temperature is raised.
D) The reaction is spontaneous only at high temperatures.
E) The reaction is spontaneous under standard conditions at 25°C.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = Δ H°/T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
Multiple Choice
A) −68 kJ
B) 68 kJ
C) −30 kJ
D) 30 kJ
E) 34 kJ
Correct Answer
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Multiple Choice
A) -143.76 kJ
B) -78.78 kJ
C) -22.24 kJ
D) -10.56 kJ
E) 66600 kJ
Correct Answer
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True/False
Correct Answer
verified
Multiple Choice
A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = Δ H°/ T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
Multiple Choice
A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = Δ H°/ T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
Multiple Choice
A) −118.2 J/K
B) −104.8 J/K
C) 104.8 J/K
D) 118.2 J/K
E) 1270.0 J/K
Correct Answer
verified
Multiple Choice
A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = Δ H°/ T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) Δ S° > 0, Δ H° > 0
B) Δ S° > 0, Δ H° < 0
C) Δ S° < 0, Δ H° < 0
D) Δ S° < 0, Δ H° > 0
E) Δ G° > 0
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) Δ S° = Δ H°
B) Δ S° = Δ H°/ T
C) Δ S° ≈ 0
D) Δ S° < 0
E) Δ S° > 0
Correct Answer
verified
Multiple Choice
A) Δ S° ≈ 0
B) Δ S° < 0
C) Δ S° > 0
D) Δ S° = ΔH°/T
E) More information is needed to make a reasonable prediction.
Correct Answer
verified
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