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Calculate the energy of combustion per gram of Methanol (kJ/g) if 29.8 mL of water is placed in the test tube and the temperature changes from 22.9 °C to 51.1°C. The initial mass of the spirit burner is 239.39 g and the final mass is 238.79 g. State your answer with correct significant digits.

Calculate the energy of combustion per gram of Methanol (kJ/g) if 29.8 mL of water is placed in the test tube and the temperature changes from 22.9 °C to 51.1°C. The initial mass of the spirit burner is 239.39 g and the final mass is 238.79 g. State your answer with correct significant digits.

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter4: Energy And Chemical Reactions
Section: Chapter Questions
Problem 66QRT
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Calculate the energy of combustion per gram of Methanol (kJ/g) if 29.8 mL of water is placed in the test tube and the temperature changes from 22.9 °C to 51.1°C. The initial mass of the spirit burner is 239.39 g and the final mass is 238.79 g. State your answer with correct significant digits. Notes: • Include a negative sign if the reaction is exothermic • Do not include units in your answer.
Transcribed Image Text:Calculate the energy of combustion per gram of Methanol (kJ/g) if 29.8 mL of water is placed in the test tube and the temperature changes from 22.9 °C to 51.1°C. The initial mass of the spirit burner is 239.39 g and the final mass is 238.79 g. State your answer with correct significant digits. Notes: • Include a negative sign if the reaction is exothermic • Do not include units in your answer.
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