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A gas in a cylinder expands from a volume of 0.150 m^3 to 0.390 m^3 ....

A gas in a cylinder expands from a volume of 0.150 m^3 to 0.390 m^3 . Heat flows into the gas just rapidly enough to keep the pressure constant at 1.90×10^5 Pa during the expansion. The total heat added is 1.15×10^5 J a)Find the change in internal energy of the gas.

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