Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g) → CF4 (g) AH° = 141.3 kJ/mol 2 C(s) + 2 H2 (g) → C2H4 (g) AH° = -97.6 kJ/mol Determine the enthalpy for the reaction C2H4 (g) + 6 F2 (g) → 2 CF4 (g) + 4 HF (g).

Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g) → CF4 (g) AH° = 141.3 kJ/mol 2 C(s) + 2 H2 (g) → C2H4 (g) AH° = -97.6 kJ/mol Determine the enthalpy for the reaction C2H4 (g) + 6 F2 (g) → 2 CF4 (g) + 4 HF (g).

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter5: Thermochemistry

Section: Chapter Questions

Problem 5.50QE

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Question

Using the equations
H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol
C (s) + 2 F2 (g) → CF4 (g) AH° = 141.3 kJ/mol
2 C(s) + 2 H2 (g) → C2H4 (g) AH° = -97.6 kJ/mol
Determine the enthalpy for the reaction
C2H4 (g) + 6 F2 (g) → 2 CF4 (g) + 4 HF (g).
kJ/mol
1
3
4
6.
C
2.

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