Suppose you have a mole of water at 25°C and atmospheric

Chapter 5, Problem 10P

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QUESTION: Problem 10P

Suppose you have a mole of water at 25°C and atmospheric pressure. Use the data at the back of this book to determine what happens to its Gibbs free energy if you raise the temperature to 30°C. To compensate for this change, you could increase the pressure on the water. How much pressure would be required?

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QUESTION: Problem 10P

Suppose you have a mole of water at 25°C and atmospheric pressure. Use the data at the back of this book to determine what happens to its Gibbs free energy if you raise the temperature to 30°C. To compensate for this change, you could increase the pressure on the water. How much pressure would be required?

ANSWER:

Step 1 of 5

The expression for Gibbs free energy is;

                                                  

Here  is the entropy,  is the change in temperature,  is the change in pressure,  is the volume and  is the chemical potential.

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