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How many grams of natural gas (CH4) must burn to emit -249 kJ of heat? CH4 + 202 --> CO + 2H20 AH = -802 kJ/mol OR C H4 + 2 02 right arrow CÓ + 2H2 O Delta H = -802 kJ/mol Do not type units with your answer. Type your answer to three significant figures. If this question is on an exam on your scrap paper report your answer to the proper number of significant figures but still type three significant figures online. Your Answer:

How many grams of natural gas (CH4) must burn to emit -249 kJ of heat? CH4 + 202 --> CO + 2H20 AH = -802 kJ/mol OR C H4 + 2 02 right arrow CÓ + 2H2 O Delta H = -802 kJ/mol Do not type units with your answer. Type your answer to three significant figures. If this question is on an exam on your scrap paper report your answer to the proper number of significant figures but still type three significant figures online. Your Answer:

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter8: Thermochemistry
Section: Chapter Questions
Problem 65QAP: Natural gas companies in the United States use the therm as a unit of energy. One therm is 1105 BTU....
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How many grams of natural gas (CH4) must burn to emit -249 kJ of heat? CH4 + 202 --> CO + 2H20 AH = -802 kJ/mol OR C H4 + 2 02 right arrow CO + 2H2 O Delta H = -802 kJ/mol %3D Do not type units with your answer. Type your answer to three significant figures. If this question is on an exam on your scrap paper report your answer to the proper number of significant figures but still type three significant figures online. Your Answer:
Transcribed Image Text:How many grams of natural gas (CH4) must burn to emit -249 kJ of heat? CH4 + 202 --> CO + 2H20 AH = -802 kJ/mol OR C H4 + 2 02 right arrow CO + 2H2 O Delta H = -802 kJ/mol %3D Do not type units with your answer. Type your answer to three significant figures. If this question is on an exam on your scrap paper report your answer to the proper number of significant figures but still type three significant figures online. Your Answer:
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