Estimate the decrease in energy of the steam, Mechanical Engineering

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Estimate the decrease in energy of the steam

Solve the below problem:

Q: Steam is throttled from 9 MPa and 500°C to a pressure of 7 MPa. Determine the decrease in energy of the steam during this process. Assume the surroundings to be at 25°C. You should solve the problem step wise step.You should include all the units which are needed to accomplish the problem.

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Mechanical Engineering: Estimate the decrease in energy of the steam

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