Assume each reaction is carried out in an open container. For which reaction will $\Delta H = \Delta E$ ?

  • A
    $2CO_{(g)} + O_{2_{(g)}} \rightarrow 2CO_{2_{(g)}}$
  • B
    $H_{2_{(g)}} + Br_{2_{(g)}} \rightarrow 2HBr_{(g)}$
  • C
    $C_{(s)} + 2H_{2}O_{(g)} \rightarrow 2H_{2_{(g)}} + CO_{2_{(g)}}$
  • D
    $PCl_{5_{(g)}} \rightarrow PCl_{3_{(g)}} + Cl_{2_{(g)}}$

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