若850℃时,反应[img=232x25]1803bdfdd9c7235.png[/img],[img=92x21]1803bdfde26fd6d.png[/img],则平衡时[img=33x22]1803bdfdeb19dcd.png[/img]分压为
A: 50.5 kPa
B: 0.498 kPa
C: 71kPa
D: 取决于[img=56x22]1803bdfdf309b37.png[/img]的量
A: 50.5 kPa
B: 0.498 kPa
C: 71kPa
D: 取决于[img=56x22]1803bdfdf309b37.png[/img]的量
举一反三
- 混合气体中含有112g[img=21x22]1802d4d3b0ef9fe.png[/img]、80g[img=21x22]1802d4d3b9328ee.png[/img]和44g [img=33x22]1802d4d3c240410.png[/img],若总压力为100 kPa,则氧的分压为 ( ) A: 13 kPa B: 33 kPa C: 36 kPa D: 50 kPa
- 在某温度下,某容器中充有2.0mol[img=21x22]1802d4d4b2bd9ad.png[/img](g)、3.0mol[img=21x22]1802d4d4bb6f9a8.png[/img](g)和1.0molAr(g)。如果混合气体的总压为akPa,则[img=43x25]1802d4d4c35b320.png[/img]的分压为............................................................ ...............( ) A: a/3 kPa B: a/6 KPa C: a KPa D: a/2 KPa
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]
- Which of the following propositions is false,set A = {x,x is an integer and [img=60x23]1803a1c503ffa04.png[/img]} ? ( ) A: [img=113x25]1803a1c50cc3162.png[/img] B: [img=139x25]1803a1c514e60ea.png[/img] C: [img=51x22]1803a1c51dd52ef.png[/img] D: {x|x is an integer and |x| <4} [img=33x22]1803a1c525cf1bd.png[/img]
- 对于反应[img=186x25]180345b58af163c.png[/img],已知[img=90x27]180345b5949a1a1.png[/img] =20, [img=44x26]180345b59d3e8d6.png[/img] =8。5000K时,[img=20x22]180345b5a528789.png[/img] ,[img=20x22]180345b5ad735ec.png[/img]和AB的分压分别为200 kPa,800 kPa和400 kPa时,反应自发进行的方向为 A: 正向进行 B: 逆向进行 C: 处于平衡态 D: 正向进行,且反应完全