Question: Do the energy-transfer diagrams in FIGURE Q21.9 represent possible refrigerators? If not, what is wrong? a. b. c. Hot reservoir 600 K 10 J 20

Do the energy-transfer diagrams in FIGURE Q21.9 represent possible refrigerators? If not, what is wrong?

a.

Hot reservoir 600 K 10 J 20 J |10 J 300 K Cold reservoir

b.

Hot reservoir 600 K 30 J 20 J 10 J 300 K Cold reservoir

c.

Hot reservoir 600 K 10 J 20 J |10 J 300 K

Hot reservoir 600 K 10 J 20 J |10 J 300 K Cold reservoir Hot reservoir 600 K 30 J 20 J 10 J 300 K Cold reservoir

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