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torisob [31]
3 years ago
7

Which quantity refers most directly to the average molecular kinetic energy present in a substance?

Physics
1 answer:
valina [46]3 years ago
7 0

(B) Temperature

<u>Explanation:</u>

Temperature is a measure of the average kinetic energy of the atoms or molecules in the system. The water molecules in a cup of hot coffee have a higher average kinetic energy than the water molecules in a cup of iced tea, which also means they are moving at a higher velocity.The specific heat capacity is how much energy is needed to increase the temperature of one gram of a substance by 1°C or 1K.

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