1Ss的精选

问题详情：比较下列各组热化学方程式中ΔH的大小关系。(1)S(s)＋O2(g)===SO2(g)ΔH1S(g)＋O2(g)===SO2(g)ΔH2ΔH1______ΔH2(2)CH4(g)＋2O2(g)===CO2(g)＋2H2O(l)ΔH1CH4(g)＋2O2(g)===CO2(g)＋2H2O(g)ΔH2ΔH1______ΔH2(3)煤作为...