(Answered) A gas mixture at 4700degc and 105 kpa absolute enters a

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A gas mixture at 470.0°C and 105 kPa absolute enters a heat exchanger at a rate of 71.0 m3/hr. The gas leaves the heat exchanger at 235.0°C. The change in enthalpy of the gas during the cooling process is -6.20 kJ/mol. What is the heat required in kW? Assume the gas behaves ideally and that the changes in kinetic and potential energy are negligible.

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