Engineering

Engineering, 10.03.2020 07:34, deja163

4 grams of a saturated liquid are converted to a saturated vapor by being heated in a weighted piston–cylinder device arranged to maintain the pressure at 200 kPa. During the phase conversion, the volume of the system increases by 1000 cm3, 5 kJ of heat are required, and the temperature of the substance stays constant at 80°C. Estimate the sfg of the substance when its temperature is 80°C.

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