Problem: When temperature is increased and pressure is held fixed across a phase change which of the following statements is true? A. Entropy is negative and enthalpy is positive. B. Entropy is negative and enthalpy is negative. C. Entropy is positive and enthalpy is positive. D. Entropy is positive and enthalpy is negative.

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When temperature is increased and pressure is held fixed across a phase change which of the following statements is true?

A. Entropy is negative and enthalpy is positive.

B. Entropy is negative and enthalpy is negative.

C. Entropy is positive and enthalpy is positive.

D. Entropy is positive and enthalpy is negative.