Considering Constant-Composition Processes
A mixture of 5 kg of H2 and 4 kg of O2 is compressed in a piston–cylinder assembly in a polytropic process for which n = 1.6. The temperature increases from 40 to 250°C. Using constant values for the specific heats, determine
(a) the heat transfer, in kJ.
(b) the entropy change, in kJ/K.
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