Identify the equation in which the change in enthalpy is equal to the change in internal energy.

  • A
    $2 H_2 O_{2(l)} \rightarrow 2 H_2 O_{(l)} + O_{2(g)}$
  • B
    $C_{(s)} + O_{2(g)} \rightarrow CO_{2(g)}$
  • C
    $PCl_{5(g)} \rightarrow PCl_{3(g)} + Cl_{2(g)}$
  • D
    $N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$

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