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The kinetic energy of molecules …………………....

The kinetic energy of molecules …………………. with the increase in temperature.

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**Step-by-Step Solution:** 1. **Understanding Kinetic Energy**: Kinetic energy is the energy that an object possesses due to its motion. In the context of molecules, it refers to the energy associated with their movement. 2. **Temperature and Molecular Motion**: Temperature is a measure of the average kinetic energy of the molecules in a substance. As the temperature increases, the energy of the molecules also increases. 3. **Effect of Temperature on Molecules**: When the temperature of a substance rises, the molecules gain energy. This energy causes the molecules to move faster and vibrate more vigorously. ...
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