• 2022-06-15
    下列反应中表达式正确的是()
    A: Na(s)+1/2 Cl2 (g) = NaCl(s) ΔrHmθ=ΔfHmθ(NaCl,s)
    B: C(石墨) + H2(g) = 1/2 C2H4(g) ΔrHmθ=ΔfHmθ (C2H4,g)
    C: CO(g)+ 1/2 O2(g) = CO2(g) ΔrHmθ=ΔfHmθ (CO2,g)
    D: CH3OH(g) + O2(g) = CO (g) + 2H2O(g) ΔrHmθ=ΔcHmθ(CH3OH,g)
  • 举一反三