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

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

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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