If $\Delta H$ is the change in enthalpy and $\Delta E$ is the change in internal energy accompanying a gaseous reaction,which of the following is true?

  • A
    $\Delta H$ is always greater than $\Delta E$
  • B
    $\Delta H < \Delta E$ only if the number of moles of the products is greater than the number of the reactants
  • C
    $\Delta H$ is always less than $\Delta E$
  • D
    $\Delta H < \Delta E$ only if the number of moles of the products is less than the number of moles of the reactants

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