What is the heat of reaction, dh, in kj
C(g) + 2H(g) + 2F(g) → CH2F2 (g)
What is the heat of reaction, ΔH, in kJ at 25°C for the above reaction, given the following bond energies (kJ/mol) at 25°C?
C-H 414 C-F 486 H-H 435 F-F 159 H-F 56
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