试题 试卷
题型:单选题 题类:模拟题 难易度:普通
山西省晋城市2017-2018学年高考理综-化学一模考试试卷
t/℃
700
800
830
1000
1200
K
0.6
0.9
1.0
1.7
2.6
请回答下列问题:
i. CO2(g)+3H2(g) CH3OH(g)+H2O(g) △H1
ii. CO(g)+2H2(g) CH3OH(g) △H2
iii. CO2(g)+H2(g) CO (g)+H2O(g) △H3
回答下列问题:
CO(g)+ 2H2(g) CH3OH(g) △H1=-116 kJ·mol-1
2CO2(g)+6H2(g) CH3CH2OH(g)+3H2O(g)25℃时,K=2.95×1011①
2CO(g)+4H2(g) CH3CH2OH(g)+H2O2(g)25℃时,K=1.71×1022②
试题篮