Question: an innovative engineering student has proposed a device for using high-pressure nitrogen to cool a stream of his favorite liquid beverage in the device 1kg/min

an innovative engineering student has proposed a device for using high-pressure nitrogen to cool a stream of his favorite liquid beverage in the device 1kg/min of nitrogen at 34 bar is expanded isothermally at 252.4K to 1.7 bar the beverage is cooled from 30 degrees C to 5 degrees C at a constant pressure of 1 bar assume that the heat capacity at a constant pressure of the beverage is constant at 1 cal/ g degree C and that heat losses from the device are negligible. at what flow rate can the device process the beverage

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