a mol O2气体和a mol O3气体相比较,下列叙述一定正确的是:
在一定温度下,反应 1/2 H 2 (g)+1/2 X 2 (g) HX(g) 的平衡常数为10。若将1.0 mol 的 HX(g) 通入体积为1.0 L 的密闭容器中,在该温度时 HX(g) 的最大分解率接近于
Now that we’ve discussed our problem, are people happy with the decisions _______?
Everybody was touched _____ words after they heard her moving story.
One of the most important questions they had to consider was _____ of public health.
Encourage your children to try new things, but try not to ___ them too hard.