Heat transfer and entropy 1. During a process with duration of one minute, consi

Question

Heat transfer and entropy
1. During a process with duration of one minute, consider QH and QL, the heat transfers to the high-temperature and low-temperature cubes, respectively.

a) Is QH, the heat transfer to the high-temperature cube, positive, negative, or zero?


b) Is QL, the heat transfer to the low-temperature cube, positive, negative, or zero?


c) Compare the magnitudes (absolute values) of QH and QL; is one larger than the other? If so, which one?


d) Is the sum [QH + QL] positive, negative, or zero?

e) For this process, is energy a conserved quantity? Explain.

Explanation / Answer

QH NEGTIV QL POSTIV QL IS LARGER SUM IS NEGTIV NO. SOME ENERGY IS LOST TO SURROUNDINGS

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