10分鐘小測:第41章 濃度和温度的變化對化學平衡的影響
Quiz
•
Chemistry
•
9th - 12th Grade
•
Practice Problem
•
Hard
Chemistry Aristo
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中紫色的平衡混合物。當把水加進這混合物中,會觀察到甚麼?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在恆温下,提升壓強有利下列哪反應?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
指示:第3和4題與圖中的可逆反應有關。
在某一時刻,在具固定體積並維持在445°C的密閉容器中含有2.0 M的HI(g)、0.50 M的H₂(g)和0.10 M的I₂(g)。圖中的反應在該時刻的反應商數是多少?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
指示:第3和4題與圖中的可逆反應有關。
哪項陳述正確描述圖中的反應在該時刻平衡位置的移動?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
四氧化二氮離解成二氧化氮的反應可用以下的方程式表示:
N₂O₄(g) ⇌ 2NO₂(g) ΔH = +58 kJ mol⁻¹
下列哪項陳述能正確描述和解釋在恆壓下提升上述氣態混合物的温度時的體積變化?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下的平衡體系:
C₂H₅OH(l) + Br⁻(aq) ⇌ C₂H₅Br(l) + OH⁻(aq)
下列哪變化能使這體系的平衡位置向右移?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下的平衡體系:
2ICl(g) ⇌ I₂(g) + Cl₂(g)
下列哪些變化能增加Cl₂(g)的產量?
(1) 從體系移去一些I₂(g)
(2) 從體系加進一些ICl(g)
(3) 從體系移去一些Cl₂(g)
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