Heat of amount 250 J is removed from a heat reservoir at a temperature of 270 K. What is the entropy change of the reservoir? Hint AS: J/K. (Use the sign to indicate whether entropy of reservoir increases or decreases.)
Heat of amount 250 J is removed from a heat reservoir at a temperature of 270 K. What is the entropy change of the reservoir? Hint AS: J/K. (Use the sign to indicate whether entropy of reservoir increases or decreases.)
Chapter4: The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 57P: Two hundred grams of water at 0 is brought into contact with a heat reservoir at 80 . After thermal...
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Question
Heat of amount 250 J is removed from a heat reservoir at a temperature of 270 K. What is the entropy change of the reservoir?
Hint
ΔS=ΔS= J/KJ/K. (Use the sign to indicate whether entropy of reservoir increases or decreases.)
Submit QuestionQuestion 9
It is found that an engine discharges 50 J while absorbing 85 J each cycle of operation.
Hint
- What is the efficiency of the engine? eff=eff=
- How much work does it perform per cycle? W=W= J
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