問題詳情
57.化學反應 
則下列敘述何者不正確？
(A)達平衡時，平衡常數
(B)該反應為一放熱反應，故反應速率隨溫度之降低而增加。
(C)降低溫度會使平衡常數增大。
(D)若Ea為此反應之活化能，則其逆反應的活化能為Ea—△H。
則下列敘述何者不正確？
(A)達平衡時，平衡常數
(B)該反應為一放熱反應，故反應速率隨溫度之降低而增加。
(C)降低溫度會使平衡常數增大。
(D)若Ea為此反應之活化能，則其逆反應的活化能為Ea—△H。
參考答案
答案：B
難度：適中0.444444
統計：A(0),B(12),C(6),D(6),E(0)
內容推薦
- 下列有關化學鍵及分子極性的敘述，何者不正確？(A)金屬鍵結是金屬離子和周圍環繞的自由電子間之吸引力。(B)極性共價鍵中的電子對，通常靠近電負度較大的原子。(C)單一共價鍵中，共用的電子對來自於同
- 下列離子在水溶液何者沒有顏色？(A) Cr2O72- (B)Cl-(C) Cu2+ (D)MnO4-
- 下列何者不是極性分子?(A)乙醚(B)水(C) 二氧化碳(D)丙酮
- 化學需氧量是指用化學方法氧化耗氧有機物所需消耗的氧量，常用以表示水受到耗氧有機物 污染的程度。若化合物的莫耳數相同，則下列何者的化學需氧量最大？(A) C5H11OH(B) C5H12 (C)
- 56•在同溫同體積的A、B、C三真空容器中’分別加入甲、乙、丙三種氣體各5克’結果A、B 、C三容器的壓力分別為75 mmHg，則此三種氣體分子量之比為?(A) 1 ： 2 ： 3(B)
- 下列何者不是二質子酸?(A)亞硫酸 H2SO3 (B)亞磷酸 H3PO3 (C)草酸 H2C2O4 (D)蟻酸 CH2O2
- 平衡下列反應方程式：她 (酸性溶液）’請問平衡的反應方 程式中，Ｈ＋的係數為何？(A)6⑷(B)7(C)8(D)10
- 55•為了確定一個反應A—>B是一級反應，以t代表時間，則下列何種圖形必須是一條直線？(A) [A]對 t(B) (1/[A])對 t(C) In [A]對 t(D) In [A]對（1/t)
- 一氧化氮與氫氣的反應2NO(g)+ 2H2(g)—> N2(g)+2H20(g)，其反應機構由兩步驟組成，如下所示： 第一步：2NO(g) + H2(g) —> N2(g) + H
- 輔助科技在特殊教育的應用巳日漸受到重視，而特教班學生則曰 趨重度化。請說明輔助科技應用對重度障礙學生教育之意義；並 請針對重度障礙學生之教學與班級經營，各舉1例說明其應用。
內容推薦
- 53•下列有關元素性質的敘述，正確的有幾項？(甲）同一原子的游離能和電子親和力的大小相同，僅符號相反。(乙）氟原子的電子親和力絕對值大於其游離能。(丙）第二週期原子的電子親和力中，以氟所釋出的能量最大
- 已知氣態甲烷分子中’ C與H間距離約為109pm，其H與H間之距離最接近下列哪個數值？(A) 160 pm(B) 180 pm(C) 200 pm(D) 220 pm
- Live neither in the past nor in the future, but let each day’s work ________ your entire energies
- Ashia couldn’t believe Lucas didn’t want to ______________ after all the meetings they had on thi
- It’s always better to _________ a problem before it arise than to search for a solution afterward
- Though I only caught a _________ of her. I was deeply attracted by her beauty.(A)appetite(B)glimp
- My sister has a high ________ of herself. She won’t take a job like that.(A)illusion(B)grievance(
- The company went broke because there wasn’t enough ________ for its products.(A)interest(B)shelf
- He may be a little careless in his behavior, but his loyalty to his friend is _______ .(A)out of
- Tyler was given a final warning about his behavior at school. Mr. Brown told him that he was wal
- That vacation locale has several ________ resorts; only certain people are allowed to use their
- I received ________ beyond what was due to me.(A)something(B)nothing(C)anything(D)each one
- They went to the country to ________ noise for quietness.(A)expose(B)enter(C)exchange(D)exult
- Every year in Japan, senior high school students face ________ university entrance exams. The ex
- The murderer ruined his chances when he returned to the scene of the crime.(A)got away with the
- They were behind schedule and had to apply for extra ________ to complete their project in time.(
- Howard __________ in a forest __________ in a hotel.(A)prefers camping , staying(B)prefers to ca
- Some radical antiglobalizationists, called “localists,” believe that international trade and act
- Susan is very shy; she doesn’t enjoy being the center of attention.(A)keeping a straight face(B)
- The underlined word "enigma" in the last line probably means _______.(A)mystery(B)
- The more one is ______ to the English-speaking environment, the better he or she will learn the lang
- There is a kind of ___________ education system in that country.(A)tests-orienting(B)test-orient
- By today’s standards, early farmers were imprudent because they planted the same crop repeatedly
- Although earthquakes can cause death and destruction through __37__ secondary effects as landslides,
- --------------------------------------------------------------------------------------Do you think y