Two mole of ideal helium gas is in a rub...

Two mole of ideal helium gas is in a rubber balloon at `30^@C`. The balloon is fully expandable and an be assumed to required no energy in its expansion. The temperature of the gas balloon is slowly charged to `35^@C`. Taking `R=8.31 J.mol^-1.K^-1` calculate the amount of heat required to raise that temperature.

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208 J

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