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

Chemistry & Chemical Reactivity
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Chapter5: Principles Of Chemical Reactivity: Energy And Chemical Reactions
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Problem 49PS: The enthalpy changes for the following reactions can be measured: CH4(g) + 2 O2(g) CO2(g) + 2...
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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
Determine the enthalpy for the
reaction
C (s) + 4 HF (g) → CF. (g) + 2 H2
(g).
kJ/mol
1
3
4
6
C
7
8
+/-
х 100
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Transcribed Image Text:Question 12 of 15 Submit 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 Determine the enthalpy for the reaction C (s) + 4 HF (g) → CF. (g) + 2 H2 (g). kJ/mol 1 3 4 6 C 7 8 +/- х 100 Tap here or pull up for additional resources
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