Two moles of a certain ideal gas at 300K...

Two moles of a certain ideal gas at `300K` were cooled at constant volume so that the pressure was reduced to half t he initial value. Then, as a result of heating at constant pressure, the gas expanded till its temperature got back ot the initial value. Find the total amount of heat absorbed by the gas in the process.

150 R

300 R

75 R

100 R

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