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1.The combustion of methane gas, the principal constituent of natural gas, is represented by the equation CHa(g) + 2 O2(g)- → CO2(g) + 2 H20(1) AH° =-890.3 kJ a. What mass of methane, in kilograms, must be burned to liberate 2.80 x 10' kJ of heat? b. What quantity of heat, in kilojoules, is liberated in the complete combustion of 1.65 x 10 L of CHa(g),measured at 18.6°C and 768 mmHg?

1.The combustion of methane gas, the principal constituent of natural gas, is represented by the equation CHa(g) + 2 O2(g)- → CO2(g) + 2 H20(1) AH° =-890.3 kJ a. What mass of methane, in kilograms, must be burned to liberate 2.80 x 10' kJ of heat? b. What quantity of heat, in kilojoules, is liberated in the complete combustion of 1.65 x 10 L of CHa(g),measured at 18.6°C and 768 mmHg?

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
Section: Chapter Questions
Problem 90GQ: Water gas, a mixture of carbon monoxide and hydrogen, is produced by treating carbon (in the form of...
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1.The combustion of methane gas, the principal constituent of natural gas, is represented by the equation CH«(g) + 2 O2(g) ---- -→ CO2(g) + 2 H2O(1) AH° =-890.3 kJ a. What mass of methane, in kilograms, must be burned to liberate 2.80 x 10’ kJ of heat? b. What quantity of heat, in kilojoules, is liberated in the complete combustion of 1.65 x 10ʻL of CH:(g),measured at 18.6°C and 768 mmHg?
Transcribed Image Text:1.The combustion of methane gas, the principal constituent of natural gas, is represented by the equation CH«(g) + 2 O2(g) ---- -→ CO2(g) + 2 H2O(1) AH° =-890.3 kJ a. What mass of methane, in kilograms, must be burned to liberate 2.80 x 10’ kJ of heat? b. What quantity of heat, in kilojoules, is liberated in the complete combustion of 1.65 x 10ʻL of CH:(g),measured at 18.6°C and 768 mmHg?
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