calculate the heat of combustion of acetylene gas, C2H2.

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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Activity 3
1. Given the following thermochemical equations and the corresponding enthalpy change for each reaction,
calculate the heat of combustion of acetylene gas, C2H2.
H2 (g)
2C(graphite) +
C(graphite) + O2 (g)
H2 (g) + O2 (g)
C2H2 (g)
> CO2 (g)
H2O (I)
AH = +226.7kJ
%3D
AH = -393.5kJ
AH = -285.8kJ
2
The equation for the reaction of acetyiene is:
2CO2 (g) +
C2H2 (g)
+ 2 02 (g)
>
H2O (1)
Transcribed Image Text:Activity 3 1. Given the following thermochemical equations and the corresponding enthalpy change for each reaction, calculate the heat of combustion of acetylene gas, C2H2. H2 (g) 2C(graphite) + C(graphite) + O2 (g) H2 (g) + O2 (g) C2H2 (g) > CO2 (g) H2O (I) AH = +226.7kJ %3D AH = -393.5kJ AH = -285.8kJ 2 The equation for the reaction of acetyiene is: 2CO2 (g) + C2H2 (g) + 2 02 (g) > H2O (1)
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