0.3mol气态高能燃料乙硼烷B2H6在O2中燃烧,生成固态B2O3和液态H2O,放出649.5kJ的热量.下列热化学方程式正确的是( )
A、B2H6(g)+302(g)═B2O3(s)+3H2O(l)△H=2165 kJ•mol﹣1
B、B2H6(g)+3O2(g)═B2O3(s)+3H2O(l)△H=﹣2165 kJ•mol﹣1
C、B2H6+3O2═B2O3+3H2O△H=﹣2165 kJ•mol﹣1
D、B2H6(g)+3O2(g)═B2O3(s)+3H2O(g)△H=﹣2165 kJ•mol﹣1