A cup of water at 278 K (the system) is placed in a microwave oven and the
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A cup of water at 278 K (the system) is placed in a microwave oven and the oven is turned on for 1 minute during which it begins to boil. State whether each of q, w, and ΔU is positive, negative, or zero?
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The heat q is positive because heat flows across the ...View the full answer
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