已知H2(g)+Br2(l)=2HBr(g),1gH2完全反应放出热量是36KJ
题型:选择题
问题:
已知H2(g)+Br2(l)=2HBr(g),1gH2完全反应放出热量是36KJ ,已知H2(g)的键能是436KJ/mol,HBr(g)的键能是369KJ/mol,则Br2(l)的键能是
A.404 KJ/mol
B.260 KJ/mol
C.230 KJ/mol
D.200 KJ/mol
已知H2(g)+Br2(l)=2HBr(g),1gH2完全反应放出热量是36KJ ,已知H2(g)的键能是436KJ/mol,HBr(g)的键能是369KJ/mol,则Br2(l)的键能是
A.404 KJ/mol
B.260 KJ/mol
C.230 KJ/mol
D.200 KJ/mol