ch 3-2 collision theory

Quiz
•
Chemistry
•
1st Grade
•
Hard
Standards-aligned
江孟儒 江孟儒
Used 9+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在反應過程中,位能最高的物質為何?
反應物
放熱反應的產物
吸熱反應的產物
活化複體
Tags
NGSS.HS-PS1-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
反應:2A+B → C+3D + 20kj 的逆反應活化能為 45 kJ mol-1,則正反應的活化能為若干 kJ mol-1?
25kj
15kj
65kj
20kj
Tags
NGSS.HS-PS1-4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有關敘述,何者正確?
催化劑本身不參與化學反應
速率決定步驟為反應機構中,速率最慢的步驟
反應物粒子互相碰撞,一定會發生反應
活化能大者,其反應熱必大
Tags
NGSS.HS-PS1-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於反應機構,下列敘述何者錯誤?
催化劑不會參與化學反應
化學反應完成後,催化劑外觀可能會發生變化
催化劑會降低活化能
催化劑會改變反應途徑
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
附圖為氫與碘的反應位能圖:已知正反應活化能為 84 kJ,逆反應活化能為 92 kJ。下列何者錯誤?
逆反應為吸熱反應
正反應的活化能相當於附圖中的 A
逆反應較容易進行
反應熱為-8 kJ
Tags
NGSS.HS-PS1-4
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
關於碰撞學說的敘述,何者正確?
反應物只要能量夠,即使位向不利,亦可反應
活化能高於分子動能便有機會形成有效碰撞
電子雲密度愈高,碰撞愈有效
活化複合體存在時間極短
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖為某反應的反應途徑與能量變化的關係。根據附圖,試問下列敘述,何者錯誤?
d 為生成物的位能
c 為活化複合體的位能
d 為反應熱
(c-a)為正反應活化能
Tags
NGSS.HS-PS1-4
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