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Which of the following is a TRUE statement? Question options: It is possible for heat to...

Which of the following is a TRUE statement? Question options:

It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.

The second law of thermodynamics is a consequence of the first law of thermodynamics.

It is not possible to convert work entirely into heat.

It is impossible to transfer heat from a cooler to a hotter body.

All of these statements are false.

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Answer #1
  1. False, It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.
  2. True, It is not possible to convert work entirely into heat there will be some loss in the system.
  3. False, because for the heat transfer from cold body to hot body we require some work done.
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Answer #2

It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.

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Answer #3

SOLUTION

It is possible for heat to flow spontaneously from a hot body to a cold one or from a cold one to a hot one, depending on whether or not the process is reversible or irreversible. [FALSE]

The second law of thermodynamics is a consequence of the first law of thermodynamics.[FALSE]

It is not possible to convert work entirely into heat [FALSE]

It is impossible to transfer heat from a cooler to a hotter body.[FALSE]

Therefore The only TRUE statement is:

All of these statements are false.

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Answer #4

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