已知1g火箭燃料肼(N2H4)氣體燃燒生成N2和H2O(g)時,放出16.7kJ的熱量,則該反應(yīng)的熱化學(xué)方程式正確的是
A.N2H4+O2=N2+2H2O △H = —534.4kJ/mol
B.N2H4(g)+ O2(g)= N2(g)+2H2O(g) △H = —16.7kJ/mol
C.N2H4(g)+O2(g)=N2(g)+2H2O(l) △H = —534.4kJ/mol
D.N2H4(g)+O2(g)=N2(g)+2H2O(g) △H = —534.4kJ/mol