Chemistry, 03.03.2020 01:39 mianelson367
One kmol of an ideal gas undergoes the following reversible cycle in a closed system: - Step 1ĺ2: Isothermal expansion at T = 600 K from 5 to 4 bar - Step 2ĺ3: Adiabatic expansion from 4 to 3 bar - Step 3ĺ4: Isobaric cooling to T = 360 K - Step 4ĺ1: Isochoric compression to return to the initial state Given: Cp = 30.0 J/(mol. K) and R = 8.314 J/(mol. K). a) Determine the pressure (in bar), the temperature (in K) and the volume (in m3 ) of the ideal gas at every stage in the cycle b) Calculate Q, W, ǻU and ǻH for each step of the cycle c) Calculate Q, W, ǻU and ǻH for each step of the cycle in case the first three steps are irreversible with an efficiency of 75% compared to the reversible process. Assume that all changes of state are identical to a) and note that the second step can no longer be adiabatic.
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One kmol of an ideal gas undergoes the following reversible cycle in a closed system: - Step 1ĺ2: Is...
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