if the volume is not 5/4 (including the 1/4 that escaped), then temp has to be 5/4 original temp (in Kelvins)
PV=nRT
••••••••••air is filled at 60°c in a vessel of open mouth the vessel is heated with a temperature t so that 1/4th part of air escapes.assuming the volume of vessel remaining constant,the value of T is
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