一定温度下,有可逆反应:2A(g)+2B(g)C(g)+3D(g);ΔH<0。现将2molA和2m

一定温度下,有可逆反应:2A(g)2B(g)C(g)3D(g)ΔH0。现将2molA2molB入体积为V的甲容器,将2molC6molD充入乙容器并使乙容器在反应开始前的体积为2V(如图所示)保持反应过程中两容器的温度与起始时相同下列说法正确的是

A.甲、乙两容器中的反应达到化学平衡时,两容器内压强相等

B.甲、乙两容器中的反应达到化学平衡时C的体积分数相等

C.向甲容器中再2molA2molB,平衡后甲中物质C的浓度不变

D.向乙容器中再2molC6molD,平衡后乙中物质C的浓度为原来的2

答案

AB

相关题目

指出下列事例中的能量变化:(1)竖直向上抛出的物体的上
指出下列事例中的能量变化:(1)竖直向上抛出的物体的上升阶段和下落阶段.(2)钟摆在摆动过程中.
Our government attaches great importance _____ the gap between the rich and poo
Our government attaches great importance _____ the gap between the rich and poor.     A. to reduce   B. to reducing    C. of reducing    D. about reducing
关于电流强度的概念,下列叙述中正确的有A.通过导线截面
关于电流强度的概念,下列叙述中正确的有A.通过导线截面的电荷量越多,电流强度越大B.电子运动的速率越大,电流强度越大C.单位时间内通过导
 Just before the Chinese class, I suddenly realized that I forgot _______ my C
 Just before the Chinese class, I suddenly realized that I forgot _______ my Chinese text book. A. bring    B. bringing     C. and bring    D. to bring
Louis Armstrong had two famous nick names. Some people called him Bagamo. They
Louis Armstrong had two famous nick names. Some people called him Bagamo. They said his mouth looked like a large bag,Musicians often called him Pops,as a sign of respect for his influence on th
下列图像分别表示有关反应的反应过程与能量变化的关系据
下列图像分别表示有关反应的反应过程与能量变化的关系据此判断下列说法中正确的是A.石墨转变为金刚石是吸热反应B.白磷比红磷稳定C.S(g) ===S(s) 
在被子植物的一生中,对维持染色体数目恒定和促进植物遗
在被子植物的一生中,对维持染色体数目恒定和促进植物遗传物质的重新组合起关键作用的环节是 A.受精作用和种子萌发            B.开花和传
―I have lost the cellphone my brother bought me as my birthday present. How ca
―I have lost the cellphone my brother bought me as my birthday present. How careless I was!―Bad luck! Then you have to buy         tomorrow         we are going shopping together i

最新题目

14