A coal-burning power plant generates 4.5 x 10^16 J per year. If the coal 38 kJ/g, how many grams of

Jul 30th, 2016
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A coal-burning power plant generates 4.5 x 10^16 J per year. If the coal yields 38 kJ/g, how many grams of coal was burned each year?

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A coal-burning power plant generates 4.5 x 10^16 J per year. If the coal yields 38 kJ/g, how many grams ofcoal was burned each year?4.5*10^16 J = 4.5*10^13 kJ.This is the number of kilojoules produced per year.(4.5*10^13 kJ/year)/(38 kJ/g)= 1.18421053*10^12 grams of coal consumed per year.

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