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MHT CET2007ChemistryThermodynamics (C)

For the reaction, 2 H ₂(g)+ O ₂(g) 2 H ₂ O (g) H^ =-573.2 ~kJ The heat of decomposition of water per mole is

Options

  1. A286.6 ~kJ
  2. B573.2 ~kJ
  3. C-28.66 ~kJ
  4. Dzero

Correct answer

A. 286.6 ~kJ

Step-by-step solution

Heat of decomposition of water is aligned H ₂ O (g) & H ₂(g)+ 1 2 O ₂(g), H= +573.2 2 =286.6 ~kJ / mol aligned

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