問題詳情
15. 某溫度平衡物系2 CO（g）＋O2（g） ⇌2 CO2（g）之K＝20，今在5.0升之真空容器內盛入40 mol CO、6 mol O2及8 mol CO2，則：
(A)反應正好達平衡
(B)反應會向右進行
(C)反應會向左進行
(D)物系向某方向進行一段長時間後K＜
(E)物系向某方向進行達一段長時間後K＝0
(A)反應正好達平衡
(B)反應會向右進行
(C)反應會向左進行
(D)物系向某方向進行一段長時間後K＜
(E)物系向某方向進行達一段長時間後K＝0
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- ( )A: ________B: There are too many customers. They probably forget us.(A)Do we need to pay for w
- (NH4)MgPO4的Ksp（溶度積）是等於： (A) [NH4＋][(MgPO4)－] (B) [Mg2＋][(NH4PO4)2－] (C) [Mg2＋][NH4＋][PO43－] (D) [
- CuCl與AgCl的Ksp分別為2×10－6與8×10－10。某一溶液含有0.1 M的Cu＋與0.1 M的Ag＋，欲利用沉澱法將Cu＋與Ag＋分離，則平衡時[Cl－]離子的理想濃度應為
- ( )Performing operations and saving lives are just two of a surgeon’s professional ________.(A)lu
- ( )A: I wonder if I can complete the work in two hours.B: Don’t worry. ________A: How nice! You’r
- 1486年（44）到達非洲南端的好望角；1497年（45）繞過非洲南端的好望角，到達印度帶回香料【題組】44
- 定溫下平衡系統：Ag＋（aq）＋Cl－－（aq） ⇌ AgCl（s），若改變下列變因，何者會使AgCl的固體減少？ (A)加入AgNO3的固體 (B)加入NaCl的固體 (C)加入KCl的固體
- AX、BXCX3三種鹽類之溶度積分別為0×10－0×10－0×10－21，其飽和溶液中所含X－離子濃度分別為a、b、c，則： (A) a＞b＞c (B) b＞c＞a
- ( )Parents should teach their children to be able to ________ between right and wrong.(A)distingu
- 下列哪一個化學反應屬於勻相平衡？ (A) AgCl(s)⇌Ag＋(aq)＋Cl－（aq） (B) CaCO3(s)⇌CaO(s)＋CO2(g) (C) CO(g)＋NO2(g)⇌CO2(g)＋N
內容推薦
- 下列選項中的各組詞語，何者意義兩兩相同？ (A)耿介／正直 (B)枯燥／有趣 (C)承擔／推卸 (D)拙陋／精緻
- ( )A: ________B: Sorry, I am afraid I can’t. I need to see a doctor.(A)How do you do?(B)What do y
- ( )Amber won the ________ and got a bicycle as a prize.(A)judgment(B)competition(C)equipment(D)di
- 氣態NO2會形成雙體（N2O4），其平衡常數在300 K時為0 atm－1，在此溫度下，6升容器內，若加入10莫耳的NO2，試問達平衡後，其總壓力為若干atm？ (A) (B)
- 在下列各平衡系，何者具有Kc＝Kp(RT)－2的關係？ (A) N2（g）＋3 H2（g） ⇌ 2 NH3（g） (B) Fe3O4（s）＋4 CO（g）⇌ 3 Fe（s）＋4CO2（g） (C
- 0一條載流長直導線放在一通有電流之螺線管內，若導線與螺線管中心軸重合，則在管內導線所受磁力情形，下列何者正確？ (A)受磁力，與導線中之電流成反比 (B)受磁力，與導線中之電流平方成反比 (C)
- ( )A: Which do you prefer, the red one or the blue one?B: ________ How much is it?(A)No, blue is
- ( )we all ________ John for his honesty. He wins everyone’s trust.(A)mind(B)prefer(C)praise(D)dis
- 下列各平衡中，畫線物質之平衡濃度C1與定溫下將容積減半後之新平衡濃度C2，則1＜（C2∕C1）＜2的是何項？ (A) PCl5(g)⇌ _____＋Cl2(g) (B) H2O(l )⇌___
- 若x代表Ba3(AsO4)2在水中的溶解度，其Ksp值為： (A) x (B) 6x(C) x(D) 108x5
- ( )Let me offer you some advice: Have your hair cut and dress nicely!(A)traditions(B)suggestions(C
- ( )Customer: I have no idea about the food here. ________Waiter: How about trying today’s special
- ( )A: Can you lend me some money?B: Why? ________A: Yes, but I spent more than I earned this mont
- ( )The employer wants to hire more clerks because business is getting better.(A)customer(B)guest(C
- 在400 K時，若一平衡反應A＋3 B ⇌2 C之Kc＝0.5。今在一個1升的密閉燒瓶內放入1莫耳的A、2莫耳的B與3莫耳的C，溫度升至400 K，則反應該如何進行？ (A)從左向右達平衡 (
- ( )The moon emerges from the east of the sky soon after the sun sets (落下).(A)wipes(B)floats(C)warn
- 三、綜合測驗：以下有三篇短文，共15個空格，依照各篇文意請選出最適當的答案When Amanda was a high school student, her parents didn’t allow
- ( )A: I think I need to improve my money management skills.B: Good for you. ________(A)It will ca
- 有關催化劑的功能，下列敘述何者不正確？ (A)縮短反應達到平衡的時間 (B)不能改變平衡常數 (C)降低活化能，改變反應途徑 (D)增加反應速率，使產物的產率增加
- ( )Drinking water all over the globe is affected by the serious nuclear (核能的) disaster happening i
- ( )Max asked his wife to assist him with the arrangements for the party.(A)dislike(B)help(C)emerge
- 【題組】 ( ) (A) what (B) which(C) that (D) and that
- ( )A: Look at that beautiful dress. ________B: Don’t you have many like that?(A)Do you want it? (
- ( )It was very ________ of Allison to donate all of her money to the animal shelter.(A)annoying(B)
- 取0克氯化鉛（M＝27）溶成100 mL的水溶液，達溶解平衡後，仍有6克的氯化鉛未溶解，求氯化鉛的溶度積常數。 (A) 1×10－(B) 96×10－(C) 84×