已知下列热化学方程式:
Zn(s)+O2(g)===ZnO(s) ΔH1=-351.1 kJ/mol
Hg(l)+O2(g)===HgO(s) ΔH2=-90.7 kJ/mol
由此可知Zn(s)+HgO(s)===ZnO(s)+Hg(l) ΔH3,其中ΔH3的值是( )
A.-441.8 kJ/mol | B.-254.6 kJ/mol |
C.-438.9 kJ/mol | D.-260.4 kJ/mol |
已知下列热化学方程式:
Zn(s)+O2(g)===ZnO(s) ΔH1=-351.1 kJ/mol
Hg(l)+O2(g)===HgO(s) ΔH2=-90.7 kJ/mol
由此可知Zn(s)+HgO(s)===ZnO(s)+Hg(l) ΔH3,其中ΔH3的值是( )
A.-441.8 kJ/mol | B.-254.6 kJ/mol |
C.-438.9 kJ/mol | D.-260.4 kJ/mol |