An open vessel at 27°C is heated until three fifth of the air in it has been expelled. Assuming the volume of the vessel remains constant, find the temperature to which the vessel has to be heated.
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answer is 750.
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Detailed Solution
P V and R are constant ; n1=1 ; n2 =1-35 =0.4n1T1=n2T2; T2=n1T1n2=300×10.4= 750K