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Problem

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question

Calculate the energy change, \DeltaE, for the reaction H_2(g) +(1/2)O_2(g) = H_2O(liq)(1) Given that the heat of combustion of H_2(g) at 1atmand 25°C is - 68.32 kcal mol^-1 . Pressure is constant and water has a density of 1.00 × 10^3 kg m^-3 .

category

chemistry

options

  1. - 340.8 kJ
  2. - 570.0 kJ
  3. + 68.32 kJ
  4. + 285.9 kJ
  5. - 282.2 kJ
  6. - 150.5 kJ
  7. - 68.32 kJ
  8. - 136.64 kJ
  9. - 3.7 kJ
  10. - 285.9 kJ

src

stemez-PhysicalChemistry

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