
考考你:第40章 平衡常數
Authored by Chemistry Aristo
Chemistry
9th - 12th Grade

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下可逆反應:
2CO₂(g) ⇌ 2CO(g) + O₂(g)
哪項是這反應的正確平衡常數表示式?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮以下各可逆反應:
2A(g) + B(g) ⇌ 2C(g) K₁
4C(g) ⇌ 4A(g) + 2B(g) K₂
哪項正確顯示K₁和K₂在數學上的關係?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
考慮圖中在某温度下發生的可逆反應。在相同的温度下,以下反應的平衡常數的數值是多少?
3A(g) + 12B(g) ⇌ 6C(g) + 3D(g)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
表中顯示四個不同的可逆反應的平衡常數。下列哪項正確顯示這四個反應完成程度的傾向的遞增次序?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把NOBr(g)、NO(g)和Br₂(g)所組成的混合物注入一個維持在某温度的2.0 dm³密閉反應瓶中,並建立以下平衡:
2NOBr(g) ⇌ 2NO(g) + Br₂(g)
發現平衡混合物含有0.040 mol的NOBr(g)、0.020 mol的NO(g)和0.512 mol的Br₂(g)。這反應在該温度下的平衡常數是多少?
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