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(15 points) Calculate the heat required to raise 20 kg of solid sodium carbonate (Na2CO3) from 20C to 75C at 1 atm using a. The

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(15 points) Calculate the heat required to raise 20 kg of solid sodium carbonate (Na2CO3) from 20C to 75C at 1 atm using a. The true heat capacity of Na2CO3, which is 1.14 kJ/(kg. C). b. A heat capacity estimated by Kopp's rule. c. Calculate the percentage error in the latter calculation

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