试题与答案

CaCO3与稀盐酸反应(放热反应)生成CO2的量与反应时间的关系如图所示,下列结

题型:选择题

题目:

CaCO3与稀盐酸反应(放热反应)生成CO2的量与反应时间的关系如图所示,下列结论不正确的是(  )

A.反应开始2 min内平均反应速率最大

B.反应速率先增大后又减小

C.反应开始4 min内温度对反应速率的影响比浓度大

D.反应在第2 min到第4 min间生成CO2的平均反应速率为v(CO2)=0.1 mol·min1

答案:

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