3.4 2 kg of saturated liquid water at 120°C is heated in a piston-cylinder device with a variable load on thepiston (meaning that the pressure is not constant in this process) until the volume of the water is five timesgreater compared to the volume at the start. In the final state, there is only saturated water vapor in the system.a) Calculate the volume of the water at the start in °C. What is the pressure at the start in kPa?b) Find temperature and pressure at the end of the process in °C and kPa respectively.c) Calculate the change in the water's internal energy in kJ in this process.d) Draw a P-v diagram of the process and show the states and the process curve relative tothe saturation curve. Draw the isotherms (lines of constant temperature) that pass through theinitial and final states.

Step 1: Use the Steam Tables, and ideal gas equation to calculate the required physical quantities.…

Answered: 3.4 2 kg of saturated liquid water at…

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 6RQ: One British thermal unit will raise the temperature of _____ 1b of water _____F.

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Question

3.4 2 kg of saturated liquid water at 120°C is heated in a piston-cylinder device with a variable load on the
piston (meaning that the pressure is not constant in this process) until the volume of the water is five times
greater compared to the volume at the start. In the final state, there is only saturated water vapor in the system.
a) Calculate the volume of the water at the start in °C. What is the pressure at the start in kPa?
b) Find temperature and pressure at the end of the process in °C and kPa respectively.
c) Calculate the change in the water's internal energy in kJ in this process.
d) Draw a P-v diagram of the process and show the states and the process curve relative to
the saturation curve. Draw the isotherms (lines of constant temperature) that pass through the
initial and final states.

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