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ThermodynamicsMCQ

Hydrazine, N2H4, contains a N-N single bond and 4 N-H bonds. Use bond energies to calculate ∆H in kJ — Thermodynamics Chemistry Question

Question

Hydrazine, N2H4, contains a N-N single bond and 4 N-H bonds. Use bond energies to calculate ∆H in kJ for the reaction;
N2 + 2H2 → N2H4

A.

–425 kJ

B.

–98 kJ

C.

98 kJ

✓ Correct
D.

425 kJ

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