Question

Please explain

Given the following data:

2 ClF (g) + O2 (g) ? Cl2O (g) + F2O (g) ?H = 167.4 kJ
2 ClF3 (g) + 2 O2 (g) ? Cl2O (g) + 3 F2O (g) ?H = 341.4 kJ
2 F2 (g) + O2 (g) ? 2 F2O (g) ?H = -43.4 kJ

Calculate the ?H for the reaction

ClF (g) + F2 (g) ? ClF3 (g)



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Answer #1
H = -43.4/2 - 341.4/2 + 167.4/2
H = -108.7 KJ
answered by: judy williams
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