To make some ice, a freezer extracts 185kJ of heat at andndash;12andordm;C. The freezer has a coefficient of performance of 5.70. The room temperature is 26andordm;C. How much heat is delivered to the room (in kJ)Correct answer is '217.5'. Can you explain this answer?

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To make some ice, a freezer extracts 185kJ of heat at –12ºC. The freezer has a coefficient of performance of 5.70. The room temperature is 26ºC. How much heat is delivered to the room (in kJ)

Correct answer is '217.5'. Can you explain this answer?

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Second Law Of Thermodynamics NAT Level - 2

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To make some ice, a freezer extracts 185kJ of heat at –12ºC...

To obtain the heat that is delivered to the room, first we have to find out the required work W to run the freezer.
To obtain the required work W to run the freezer,

Now

⇒ heat delivered to the room would be 217.5kJ
The correct answer is: 217.5

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To make some ice, a freezer extracts 185kJ of heat at –12ºC. The freezer has a coefficient of performance of 5.70. The room temperature is 26ºC. How much heat is delivered to the room (in kJ)Correct answer is '217.5'. Can you explain this answer?

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