河南省信阳市2015-2016学年高二上学期期期中考试化学试题.doc

2015-2016(48)12345678DCCCCACC910111213141516ABCBBACB(52)17.2121CH3OHl+3/2O2g=====CO2g+2H2OlH=-725.6kJmol-12213molL-1min-1212250%21/2bc22182101SiF4H2OSiO2,2ad,(3)bc,(4)0.0010molL-1min-11921420210(1)H=41kJ/mol(2)bc50(3)016-1molLminb=2aal()21.26bcac()2(1)AX3(g)X2(g)AX5(g)n/mol0.200.200n/mol:0200.200.20n/mol:0.200.200.200.200.20molamolpp)2.04.0(4.002(1)