
考考你:第51章 速率方程

Quiz
•
Chemistry
•
9th - 12th Grade
•
Hard
Chemistry Aristo
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關某已知一級反應的速率常數的陳述,哪些正確?
(1) 它的值在常温下是固定的。
(2) 它通常隨着壓強上升而增加。
(3) 在速率對濃度的坐標圖中,它的值相等於斜率。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知反應X + Y → Z的速率方程是:速率 = k[X]。下列哪項有關這反應的陳述不正確?
(速率的單位:s)
A. 速率常數的單位是s⁻¹。
B. 它不涉及Y。
C. 對應Y的反應級數是0。
D. 當[X]變為兩倍時,反應速率會變為兩倍。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知反應E + F → G + H的速率方程是:速率 = k[E]²。下列哪項或哪些有關這反應的陳述不正確?
(1) 當[E]變為兩倍時,反應速率會變為兩倍。
(2) 反應的總級數是2。
(3) 繪畫反應速率對[E]²的坐標圖時,會得出一條穿越原點的直線。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下在某温度發生的反應:
2NO₂(g) → 2NO(g) + O₂(g)
這反應的速率方程是:速率 = k[NO₂(g)]²。哪濃度對時間的坐標圖代表這反應?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P與Q反應的速率方程是:速率 = k[P][Q]²。若P的濃度減少一半,而Q的濃度變為兩倍,反應速率會有甚麼變化?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在反應3P + Q → R + 2S中,P的濃度減少一半時,反應速率會減至原來的四分一。Q的濃度變為兩倍時,反應速率亦變為兩倍。下列哪項是這反應的速率方程?
A. 速率 = k[P][Q]
B. 速率 = k[P][Q]²
C. 速率 = k[P]²[Q]
D. 速率 = k[P]²[Q]²
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中在298 K發生的反應的資料:
X + Y → 生成物
下列哪項是這反應的速率方程?
A. 速率 = k[X][Y]²
B. 速率 = k[X]²[Y]
C. 速率 = k[X]²[Y]²
D. 速率 = k[X][Y]
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
圖中是在某温度發生的反應所獲得的動力學數據:
2J + 2K → L + 2M
下列哪項有關這反應的陳述正確?
A. 對應J和K的反應級數都是1。
B. 對應J和K的反應級數都是2。
C. 對應J和K的反應級數分別是1和2。
D. 對應J和K的反應級數分別是2和1。
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