Use the data in the steam tables (Appendix A) to answer the following: A. Find the change

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Use the data in the steam tables (Appendix A) to answer the following:

A. Find the change in internal energy when 50 kg of steam at constant pressure P = 5 bar has its temperature reduced from 500°C to 300°C.

B. Find the change in internal energy when 200 kg of liquid water at constant pressure P = 100 bar has its temperature increased from 240°C to 300°C.


Appendix A.

A-1 Saturated Steam-Pressure Increments T(Celsius) 6.97 17.49 24.08 28.96 32.88 36.16 39.00 41.51 43.76 45.81

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