Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8)(C10H8). When 0.820 gg of naphthalene burns in a bomb calorimeter, the temperature rises from 25.10 ∘C∘C to 31.56 ∘C∘C. Part A Find ΔErxnΔ�rxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11kJ/∘C5.11kJ/∘C. Express the change in energy in kilojoules per mole to three significant figures.
Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8)(C10H8). When 0.820 gg of naphthalene burns in a bomb calorimeter, the temperature rises from 25.10 ∘C∘C to 31.56 ∘C∘C. Part A Find ΔErxnΔ�rxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11kJ/∘C5.11kJ/∘C. Express the change in energy in kilojoules per mole to three significant figures.
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Chapter6: Thermochemisty
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Problem 6.75QP: A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an excess of oxygen in a bomb...
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Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8)(C10H8). When 0.820 gg of naphthalene burns in a bomb calorimeter, the temperature rises from 25.10 ∘C∘C to 31.56 ∘C∘C. |
Part AFind ΔErxnΔ�rxn for the combustion of naphthalene. The heat capacity of the calorimeter, determined in a separate experiment, is 5.11kJ/∘C5.11kJ/∘C.
Express the change in energy in kilojoules per mole to three significant figures.
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