Mathematics · Thermodynamics
Air is contained in a piston-cylinder assembly at 350 kPa and 77°C, with an initial volume of 0.3 m3. Heat is added to the air at constant pressure until the temperature reaches 377°C. Given the gas constant of air R = 300 J/kgK and the specific heat at constant pressure cp = 1.0 kJ/kgK, calculate the heat supplied and the change in enthalpy.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1200 kJ, 250 kJ
- 2300 kJ, 300 kJ✓
- 3250 kJ, 300 kJ
- 4400 kJ, 350 kJ
Correct answer
300 kJ, 300 kJ
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