Question: please help me answer the 4 questions in this assignment thank you!! 1. One kilogram of steam is contained in a horizontal frictionless piston and

please help me answer the 4 questions in this assignment thank you!!

1. One kilogram of steam is contained in a horizontal frictionless piston and the cylinder is heated at constant pressure of 1.013 bar from 125C to such a temperature that the volume doubles. If the amount of heat that must be added to accomplish this change is 260kJ, calculate the final temperature of the steam (assume ideal gas law for now), the work the steam does against its surroundings, and the internal energy changes for the process. Does your value seem too high or too low - if so, why

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