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# Problem 7.32 Heating Ethane with Steam Saturated steam at a gauge pressure of 3.00 bar is...

## Question

###### Problem 7.32 Heating Ethane with Steam Saturated steam at a gauge pressure of 3.00 bar is...

Problem 7.32 Heating Ethane with Steam Saturated steam at a gauge pressure of 3.00 bar is to be used to heat a stream of ethane. The ethane enters a heat exchanger at 16°C and 1.5 bar gauge pressure at a rate of 895 m3/min and is heated at constant pressure to 93°C. The steam condenses and leaves the exchanger as a liquid at 20.0°C. The specific enthalpy of ethane at the given pressure is 941 kJ/kg at 16°C and 1073 kJ/kg at 93°C. You may take the compressibility factor for ethane to be 0.970 at the Inlet conditions. Physical Property Tables Power You can calculate the specific enthalpy change by subtraction Use ideal-gas behavior to calculate the mass of ethane. Carry sufficient significant figures throughout calculation. How much power must be transferred to the ethane to heat it from 16°C to 93°C? X 3801.7 kW the tolerance is +/-2%

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