Internal energy of a substance comprises of the _____________ energy?
Correct answer: D. All A., B. & C.
- A. Vibrational
- B. Rotational
- C. Translational
- D. All A., B. & C.
Explanation
Internal energy is the microscopic energy stored within a substance, including molecular translational, rotational, and vibrational motion. Therefore, all three listed forms contribute.
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