A:①④
B:②③④
C:①②③④
D:①②④
Xu Jinglei is one of the most famous young directors in China.
下列关于声和光的说法,正确的是( )
2SO2(g)+O2(g) ⇌加热催化剂 2SO3(g)△H1=﹣197kJ•mol﹣1;
H2O(g)═H2O(l)△H2=﹣44kJ•mol﹣1;
2SO2(g)+O2(g)+2H2O(g)═2H2SO4(l)△H3=﹣545kJ•mol﹣1
则SO3(g)与H2O(l)反应生成H2SO4(l)的热化学方程式是____.