A:to be sent; stay
B:to sent; to stay
C:being sent; stay
D:sending; to stay
C(s,金刚石)+O2(g)=CO2(g)△H1
C(s,石墨)+O2(g)=CO2(g)△H2
根据已述反应所得出的结论正确的是( )
化简.
0.3∶1.5=____