An ideal gas goes through a thermodynamic process in which 500 J of work is done on the gas and the gas loses 300 J of heat. What is the change in internal energy of the gas?
Answer to relevant QuestionsWhen running, a refrigerator exhausts heat to the kitchen at a rate of 10 kW when the required input work is done at a rate of 3.0 kW. (a) At what rate is heat removed from its cold interior? (b) What is the COP of the ...A coal-fired power plant produces 900 MW of electric power and operates at a thermal efficiency of 25% (a) What is the input heat rate from the burning coal? (b) What is the rate of heat discharge from the plant? (c) Water ...What is the Celsius temperature of the hot reservoir of a Carnot engine that is 32% efficient and has a 20 oC cold reservoir? A heat engine’s thermal efficiency is of the Carnot efficiency of an engine operating between temperatures of 80oC and 375oC. (a) What is the Carnot efficiency of the heat engine? (b) If the heat engine absorbs heat at a ...A salesperson tells you that a new refrigerator with a high COP removes 2.6 x 103J (each cycle) from the inside of the refrigerator at 5.0 oC and expels 2.8 x 103J into the 30oC kitchen. (a) What is the refrigerator’s ...
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