Kinetic Energy is the sum of?
Correct answer: C. Rotational, Vibrational, and Translation
- A. Rotational & Vibrational
- B. Translation & Rotational
- C. Rotational, Vibrational, and Translation
- D. All of these
Explanation
The kinetic energy of an object with translational and rotational motion is the sum of its translational and its rotational kinetic energy. Molecules vibrate when they gain kinetic energy hence, vibrational rotation as well.
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About Thermochemistry and Energetics of Chemical Reactions
Thermochemistry measures energy changes in chemical reactions and distinguishes exothermic from endothermic processes. Work covers systems, surroundings and state functions, internal energy, the first law of thermodynamics, enthalpy and Hess's law, including the sign conventions used when heat enters or leaves a system.
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