摘要:下列热化学方程式中.△H能正确表示物质的燃烧热的是 A.CO(g) +1/2O2(g) ==CO2(g); △H=-283.0 kJ/mol A. C(s) +1/2O2; △H=-110.5 kJ/mol B. H2(g) +1/2O2(g)==H2O(g); △H=-241.8 kJ/mol C. 2C8H18(l) +25O2(g)==16CO2(g)+18H2O(l); △H=-11036 kJ/mol

网址:http://m.1010jiajiao.com/timu3_id_39707[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网