已知下列热化学方程式:
Zn(s)+ O2(g)=ZnO(s) ΔH1=-351.1 kJ·mol-1
Hg(l)+ O2(g)=HgO(s) ΔH2=-90.7 kJ·mol-1
由此可知Zn(s)+HgO(s)=ZnO(s)+Hg(l) ΔH3,其中ΔH3的值是 ( )
A.-441.8 kJ·mol-1 | B.-254.6 kJ·mol-1 |
C.-438.9 kJ·mol-1 | D.-260.4 kJ·mol-1 |
已知下列热化学方程式:
Zn(s)+ O2(g)=ZnO(s) ΔH1=-351.1 kJ·mol-1
Hg(l)+ O2(g)=HgO(s) ΔH2=-90.7 kJ·mol-1
由此可知Zn(s)+HgO(s)=ZnO(s)+Hg(l) ΔH3,其中ΔH3的值是 ( )
A.-441.8 kJ·mol-1 | B.-254.6 kJ·mol-1 |
C.-438.9 kJ·mol-1 | D.-260.4 kJ·mol-1 |
试题篮
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