Question: Please use the two diffrent methods and write them down on a paper Question 2: 100kg of liquid water is to be heated from 20C

Please use the two diffrent methods and write them down on a paper

Question 2: 100kg of liquid water is to be heated from 20C to 80C using steam in a well-insulated heat exchanger. Steam enters at 150C and 0.5 bar and leaves at 100C and 0.5 bar. Calculate the mass (kg) of steam needed using two different methods

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