Solution: Indicate which of the following statements regarding the kinetic-molecular theory of gases are correct. For those that are false, formulate a correct version of the statement.All the molecules of a gas at a given temperature have the same kinetic energy.

Problem

Indicate which of the following statements regarding the kinetic-molecular theory of gases are correct. For those that are false, formulate a correct version of the statement.

All the molecules of a gas at a given temperature have the same kinetic energy.

Solution

We’re being asked if the given statement is correct. If not, we are to provide the correct statement. 


Statement: All the molecules of a gas at a given temperature have the same kinetic energy.


According to the kinetic molecular theory of gases, the average kinetic energy of a gas is directly proportional to the temperature of the gas: a higher temperature results in a higher average kinetic energy


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