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A sample of 0.177g of an ideal gas occup...

A sample of 0.177g of an ideal gas occupies `1000cm^(3)`at STP. Caculate the rms speed of gas molecules.

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`V_(r.m.s.) = (sqrt (3 rho))/(sqrt(rho))`
Here `P= 10^5 Pa =1 atm`
` =(sqrt (3 xx 10^5 xx 10^-3))/(sqrt(1.77 xx 10^-4))`
`=1301.8 = 1302 m/s`.
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