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Questions  

If a pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 10C, the initial temperature must be

a
250K
b
2500C
c
2500 K
d
250C

detailed solution

Correct option is A

From Gay – Lussac’s law,   PV=nRT---(1) P+0.4%PV=nRT+1 P+P250V=nRT+1---(2) divide (1) and (2) we get   T=250K

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