A correct statement of the Second Law of Thermodynamics is
A) the random motion of gas molecules will be decreased if energy is added to a gas.
B) there is no process that can make heat flow from a cold object to a hot object.
C) no heat engine can have an efficiency greater than 30%.
D) heat will not flow spontaneously from a cold object to a hot object.
Correct Answer:
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Q12: A Carnot engine is
A) equivalent to the
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Q15: A Carnot engine
A) consists of only isothermal
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Q19: The second law of thermodynamics says that
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