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Need how much energy is used by a microwave if 15 a of current run through it for a period of 20 minutes?
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Acoal-fired plant generates 600 mw of electric power. the plant uses 4.8 x 10^6 kg of coal each day, and the heat of combustion of coal is 3.3x 10^7 j/kg. the steam that drives the turbines is at a temperature of 300° c, and the exhaust water is at 37° c. (a) what is the overall efficiency of the plant for generating electric power? (b) how much thermal energy is exhausted each day? (c) what is the change in entropy of the universe for this heat engine? (d) using the same heat reservoirs, what is the maximum possible (carnot) efficiency for a heat engine?
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Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal
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During the past 150 years in the united states, how did energy consumption compare to population growth
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What electron configurations do atoms usually achieve by sharing electrons to form covalent bonds?
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Need how much energy is used by a microwave if 15 a of current run through it for a period of 20 mi...
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