In a thermodynamic process, if the pressure of a gas is held constant and the volume decreases, what happens to the temperature?

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Q: In a thermodynamic process, if the pressure of a gas is held constant and the volume decreases, what happens to the temperature?

Solution: According to Gay-Lussac's Law, if the volume decreases at constant pressure, the temperature must increase.

Steps: 6

Step 1: Understand that we are dealing with a gas in a thermodynamic process.
Step 2: Know that the pressure of the gas is held constant during this process.
Step 3: Recognize that the volume of the gas is decreasing.
Step 4: Recall Gay-Lussac's Law, which states that at constant pressure, the temperature of a gas is directly proportional to its volume.
Step 5: Since the volume is decreasing, the temperature must increase to maintain the relationship defined by Gay-Lussac's Law.
Step 6: Conclude that when the volume decreases at constant pressure, the temperature increases.