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ThermodynamicsMCQ

Given the reactions CH4(g) → C(g) + 4H(g) ∆H˚ = 1656 kJ•mol–1 HC CH(g) → 2C(g) + 2H(g) ∆H˚ = 1648 kJThermodynamics Chemistry Question

Question

Given the reactions
CH4(g) → C(g) + 4H(g) ∆H˚ = 1656 kJ•mol–1
HC CH(g) → 2C(g) + 2H(g) ∆H˚ = 1648 kJ•mol–1
what is the estimated C≡C bond energy in kJ•mol–1?

A.

414

B.

820

✓ Correct
C.

1234

D.

1664

💬
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