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Questions  

An insulated container containing n moles of monatomic gas of molar mass M is moving with a velocity V. If the container is suddenly stopped, find the change in temperature

a
MV23R
b
MV23nR
c
MnV23R
d
MV2n2R

detailed solution

Correct option is A

12mV2=du=nCvdT   where m is mass of the gas n is the no of moles12mV2=mM3R2dT  [ M is the molecular weight of the gas ]dT=MV23R

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100 mol of an ideal gas is heated from 10° to 20°C keeping its (i) volume constant (ii) pressure constant.
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