Problem

An insulated heat exchanger is used to cool water from 95°C to 30°C, at a pressure of 100...

An insulated heat exchanger is used to cool water from 95°C to 30°C, at a pressure of 100 kPa, by transferring heat to an ideal gas mixture that consists of N2 and CO2. The mass flow rate of the water is 10 kg/s. The ideal gas mixture enters at 10°C and exits at 70°C, flowing at a constant pressure of 250 kPa. Plot the mass flow rate of the mixture and the inlet volumetric flow rate of the mixture for (a) N2 mass fractions ranging from 0 to 1, and (b) N2 mole fractions ranging from 0 to 1.

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