At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?
Correct answer: A. Increases
- A. Increases
- B. Decreases
- C. Remains unchanged
- D. Increases linearly
Explanation
For most gases, vibrational and other molecular energy modes become increasingly active as temperature rises, so their molal heat capacities generally increase. The increase is not necessarily linear over a wide temperature range.
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