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# Use R=8.3 J/mol-K wherever required. A sample of 0.177 g of an ideal gas

Question:

Use $\mathrm{R}=8.3 \mathrm{~J} / \mathrm{mol}-\mathrm{K}$ wherever required.

A sample of $0.177 \mathrm{~g}$ of an ideal gas occupies $1000 \mathrm{~cm}^{3}$ at STP. Calculate the rms speed of the gas molecules.

Solution: