已知热化学方程式:SO2(g)+1/2O2(g)SO3(g)  △H=-98.32kJ•mol—1, 在容

  已知热化学方程式:SO2(g)+1/2O2(g)SO3(g)  △H=98.32kJ•mol1

在容器中充入2molSO21molO2充分反应,最终放出的热量为

A.<196.64kJ    B.>196.64kJ    C196.64kJ     D98.32kJ 

答案

A

相关题目

Remembering names is an important social skill. Here are some ways to master it.
Remembering names is an important social skill. Here are some ways to master it. Recite and repeat in conversation. When you hear a person's name, repeat it. Immediately say it to yourself several t
已知|2x+1|+(y-2)2=0,求(xy)2 011的值.
已知|2x+1|+(y-2)2=0,求(xy)2 011的值.
在“用单摆测定重力加速度”时,某同学测得的加速度值大
在“用单摆测定重力加速度”时,某同学测得的加速度值大于当地重力加速度的实际值,引起这一误差的原因可能是(    )A.摆球做圆锥摆运动B.测量
—Will you read me a story ,Mummy?                      
—Will you read me a story ,Mummy?                           --OK.You________have one if you go to bed as soon as possible. A. might     B. must      C. could  
下列关于苯的说法错误的是          (    )     A.
下列关于苯的说法错误的是          (    )     A.苯通常是无色的液体,不溶于水 B.苯分子具有平面正六边形的结构     C.苯分子内部是
从H、C、O、N四种元素中,选出适当的元素组成符合下列要求
从H、C、O、N四种元素中,选出适当的元素组成符合下列要求的一种物质,并用化学式填入相应空格中: (1)能还原CuO的气态化合物是          
计算:
计算:
________ many times, but he still didn’t understand it. A. Having been told 
________ many times, but he still didn’t understand it. A. Having been told              B. Though he was told C. To have been told             D. He was told  

最新题目