网址:http://www.1010jiajiao.com/paper/timu/2730424.html[举报]
12. 在1200℃时,天然气脱硫工艺中会发生下列反应:
H2S(g) + O2(g) = SO2(g) + H2O (g)
ΔH1
2H2S(g) + SO2(g) = S2(g) + 2H2O(g)
ΔH2
H2S(g) +
O2(g) = S(g) + H2O(g)
ΔH3
2S(g) = S2 (g) ΔH4 则△H4的正确表达式为 A.ΔH4 = 3/2 (ΔH1+ΔH2-3ΔH3) B.ΔH4 = 2/3 (ΔH1+ΔH2-3ΔH3) C.ΔH4 = 2/3 (3ΔH3-ΔH1-ΔH2) D.ΔH4 = 3/2 (ΔH1-ΔH2-3ΔH3)