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What is the efficiency of a heat engine that does 1250 J of work and gives off 5250 J of heat to the cold reservoir
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When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.
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You have 80 g of 60oc water and 80 g or 10oc water. what is the final temperature when the two are mixed? explain.
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What is the efficiency of a heat engine that does 1250 J of work and gives off 5250 J of heat to
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