【简答题】A.She thinks big parties are too impersonal. B.She would like to invite friends to a big party. C.She feels she has to spend a lot of money in holding big parties. D.She would like to be invited to sm...
【判断题】新媒体营销是指利用新媒体平台进行营销的模式。
【单选题】若反应 在某温度下的标准平衡常数为 2 ,那么在该温度下氨合成反应 的 标准平衡常数是( )
【单选题】已知: ,某温度下的平衡常数为400。此温度下,在1 L的密闭容器中加人CH 3 OH,反应到某时刻测得各组分的物质的量浓度如下: 下列说法正确的是
B.
平衡时,c(CH 3 OCH 3 )='1.6' mol/L
C.
平衡吋,反应混合物的总能量减少20kJ D 平衡时,再加人与起始等量的CH 3 OH,达新平衡后CH 3 OH转化率增大
【简答题】A.She thinks big parties are too impersonal. B.She would like to invite friends to a big party. C.She feels she has to spend a lot of money in holding big parties. D.She would like to be invited to sm...
【判断题】Jo thinks that Bill must be mad because he is driving too fast.