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A sample consisting of 1.00mol Ar is expanded isothermally at 20 °C from 10.0dm^3 to 30.0dm^3 (i) reversibly, (ii) against a constant external pressure equal to the final pressure of the gas, and (iii) freely (against zero external pressure). For the three processes calculate q, w, and ΔU.
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A sample consisting of 1.00mol Ar is expanded isothermally at 20 °C from 10.0dm^3 to 30.0dm^3 (i) re...
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