The mean kinetic energy of a gas at 300, K is | vedclass

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(D) The mean kinetic energy $(E)$ of an ideal gas is directly proportional to its absolute temperature $(T)$,given by the relation $E \propto T$ or $\

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$150$

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(D) The mean kinetic energy $(E)$ of an ideal gas is directly proportional to its absolute temperature $(T)$,given by the relation $E \propto T$ or $\frac{E_1}{E_2} = \frac{T_1}{T_2}$.Given:$T_1 = 300\, K$$E_1 = 100\, J$$T_2 = 450\, K$Substituting the values into the formula:$\frac{100}{E_2} = \frac{300}{450}$$E_2 = 100 	imes \frac{450}{300}$$E_2 = 100 	imes 1.5 = 150\, J$.Therefore,the mean energy at $450\, K$ is $150\, J$.

The mean kinetic energy of a gas at $300\, K$ is $100\, J.$ The mean energy of the gas at $450\, K$ is equal to ...... $J$

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