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Use bond energies to calculate ∆H˚ for the reaction: H2(g) + O2(g) r H2O2(g)Thermodynamics Chemistry Question

Question

Use bond energies to calculate ∆H˚ for the reaction:
H2(g) + O2(g) r H2O2(g)

A.

-521 kJ

B.

-486 kJ

C.

-199 kJ

✓ Correct
D.

199 kJ

💬
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