For a given gas at 1 atm pressure, rms speed of the molecules is 200 m – McqOptions

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1.	For a given gas at 1 atm pressure, rms speed of the molecules is 200 m/s at 127°C. At 2 atm pressure and at 227°C, the rms speed of the molecules will be:
A.	100 m/s
B.	\(80\sqrt 5 \:m/s\)
C.	\(100\sqrt 5 \:m/s\)
D.	80 m/s
Answer» D. 80 m/s

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