Which One of the Following Is a True Statement

question 342

Multiple Choice

Which one of the following is a true statement?

• A) It is impossible to transfer heat from a cooler to a hotter body.
• B) The second law of thermodynamics is a consequence of the first law of thermodynamics.
• C) It is not possible to convert work entirely into heat.
• D) 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.
• E) All of these statements are false.

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An independent variable is a variable in an experiment or model that is manipulated to observe its effect on the dependent variable.