【单选题】某可逆反应aA+bB cC+Q在某温度下的平衡常数为K(K≠1),反应热为Q。保持温度不变,将方程式的书写作如下改变,则Q和K数值的相应变化为
A.
写成2aA+2bB 2cC,Q值、K值均扩大了一倍
B.
写成2aA+2bB 2cC,Q值扩大了一倍,K值保持不变
C.
写成cC aA+bB,Q值、K值变为原来的相反数
D.
写成cC aA+bB,Q值变为原来的相反数,K值变为倒数
【单选题】传输控制协议/网际协议即______,属于工业标准协议,是Internet 采用的主要协议。
【单选题】Jo thinks that people are trying to find him to kill him. When people walk by his apartment (to get into their cars or walk to the bus) Jo interprets this to mean that they are spying on his every mov...
D.
Delusions of persecution/paranoia
【单选题】Internet 采用的主要协议是 ()
【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...