在一定条件下,当64gSO2气体被氧化成SO3气体时,共放出热量98.3KJ,已知SO2在此条件下转化率为80%,据此,下列热化学方程式正确的是
A.SO2(g)+1/202(g)SO3(g);△H=-98.3KJ·mol-1 |
B.2SO2(g)+O2(g)SO3(l);△H=-196.6KJ·mol-1 |
C.SO2(g)+1/2O2(g)SO3(g);△H=-78.64KJ·mol-1 |
D.2SO2(g)+O2(g)SO3(g);△H=+196.6KJ·mol-1 |
在一定条件下,当64gSO2气体被氧化成SO3气体时,共放出热量98.3KJ,已知SO2在此条件下转化率为80%,据此,下列热化学方程式正确的是
A.SO2(g)+1/202(g)SO3(g);△H=-98.3KJ·mol-1 |
B.2SO2(g)+O2(g)SO3(l);△H=-196.6KJ·mol-1 |
C.SO2(g)+1/2O2(g)SO3(g);△H=-78.64KJ·mol-1 |
D.2SO2(g)+O2(g)SO3(g);△H=+196.6KJ·mol-1 |