10分鐘小測:第51章 速率方程
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項有關反應速率的陳述正確?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪項或哪些有關反應級數的陳述正確?
(1) 反應級數必定是整數。
(2) 反應級數只可從做實驗求出。
(3) 反應級數受化學方程式中的計量系數所影響。
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮在某已知温度及有稀硫酸的情況下,乙酸乙酯的水解。對應H₂O(l)的反應級數是多少?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若某一級反應的反應速率是0.60 mol dm⁻³ s⁻¹及速率常數是0.035 s⁻¹,反應物的濃度是多少?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
反應「3X + Y → X₃Y」的速率方程是r₁ = k[X]³[Y]。若X的濃度增加一倍而Y的濃度減少一半,速率方程會是甚麼?
A. 2r₁
B. 4r₁
C. 4.5r₁
D. 5r₁
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知某零級反應在30秒內已完成25%。若該反應要完成50%,需要的時間是多少?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮丙酮與碘在有硫酸催化下的反應。已知CH₃COCH₃(aq)的反應級數是1,哪曲線正確顯示反應速率與CH₃COCH₃(aq)濃度的關係?
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