Applied Thermodynamics exam
QUESTION 4 (2 POINTS): A 250 kg piece of copper is heated from 25 C to 300 C. How much total heat is required (kJ)?
QUESTION 6 (6 POINTS): 5 kg of water in a piston-cylinder is heated at constant pressure from 25 C, 200 kPa to 200 C. How much total heat (Q) must be provided (kJ). Explain sign.
QUESTION 5 (6 POINTS): Water in a rigid tank is heated from 25 C, 250 kPa to 200 C, 1000 kPa. How much specific heat (q) must be provided ( kJ/kg)? Explain sign.
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