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When 120 mg of naphthalene (C10H8; ΔcH = -5157 kJ mol-1) was burned in a constant...

When 120 mg of naphthalene (C10H8; ΔcH = -5157 kJ mol-1) was burned in a constant volume calorimeter, the temperature rose by 3.05 K. What is the effective heat capacity of the calorimeter? When 10.0 mg of phenol (C6H5OH) was burned in the calorimeter, the temperature increased by 2.05 K. What is the ΔcH for phenol?

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Homework Answers

Answer #1

Step1

Knowinhg Delta Hc for Naphthalene (standard) calculate the effective heat capacity of the calorimeter

Step 2

Using this value of effective heat capacity of the calorimeter, calculate Delta Hc for Phenol

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Calculatuon of  effective heat capacity of the calorimeter:

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