
考考你:第36章 化學反應的速率
Authored by Chemistry Aristo
Chemistry
9th - 12th Grade
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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
考慮以下反應:
2MnO₄⁻(aq) + 5C₂O₄²⁻(aq) + 16H⁺(aq) → 2Mn²⁺(aq) + 8H₂O(l) + 10CO₂(g)
若Mn²⁺(aq)的生成速率是0.02 mol dm⁻³ s⁻¹,那麼C₂O₄²⁻(aq)的消耗速率是多少?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下反應:
H₂O₂(aq) + 2I⁻(aq) + 2H⁺(aq) → I₂(aq) + 2H₂O(l)
下列哪些有關這反應的陳述正確?
(1) H₂O₂(aq)的消耗速率相等於I₂(aq)的生成速率。
(2) I⁻(aq)的消耗速率較H₂O₂(aq)的消耗速率高。
(3) I₂(aq)的生成速率是H₂O(l)的生成速率的一半。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
丙酮(CH₃COCH₃)與碘(I₂)如以下方程式所示反應:
CH₃COCH₃(aq) + I₂(aq) → CH₃COCH₂I(aq) + H⁺(aq) + I⁻(aq)
丙酮的濃度在60秒內由0.249 mol dm⁻³減少至0.177 mol dm⁻³。丙酮在這時距內的消耗速率是多少?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下反應:
4W(g) + 5X(g) → 4Y(g) + 6Z(g)
已知從第100秒到第250秒,Y(g)生成的平均速率是a mol dm⁻³ s⁻¹,下列哪些有關這反應的陳述正確?
(1) 在這時距內,W(g)消耗的平均速率是a mol dm⁻³ s⁻¹。
(2) 在這時距內,X(g)消耗的平均速率大於a mol dm⁻³ s⁻¹。
(3) 在這時距內,Z(g)生成的平均速率小於a mol dm⁻³ s⁻¹。
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪反應的進度不可透過量度反應體系的壓強變化來跟隨?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪些有關透過滴定分析以跟隨化學反應的進度的陳述正確?
(1) 這方法能持續地監察反應的進度。
(2) 這方法會使原來的反應混合物受到干擾。
(3) 這方法涉及驟冷。
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