
限量反應物(27/3)
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Hard
Wing Wong
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8 questions
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1.
DRAW QUESTION
30 sec • 1 pt
根據以下方程式,0.886摩爾的一氧化碳與0.252摩爾的氧反應,
2NO(g) + O2(g) -> 2NO2(g)
(a) NO與O2的摩爾比例是多少?

2.
MULTIPLE CHOICE QUESTION
1 min • Ungraded
根據以下方程式,0.886摩爾的一氧化碳與0.252摩爾的氧反應,
2NO(g) + O2(g) -> 2NO2(g)
(b) 哪個反應物是限量反應物?
NO
O2
3.
OPEN ENDED QUESTION
1 min • 1 pt
根據以下方程式,0.886摩爾的一氧化碳與0.252摩爾的氧反應,
2NO(g) + O2(g) -> 2NO2(g)
(c) 計算所生成的二氧化氮的摩爾數。
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4.
OPEN ENDED QUESTION
2 mins • 1 pt
根據以下方程式,0.886摩爾的一氧化碳與0.252摩爾的氧反應,
2NO(g) + O2(g) -> 2NO2(g)
(d) 計算二氧化氮的質量。
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5.
DRAW QUESTION
3 mins • 1 pt
8.14g 氧化鋅與2.20g碳粉一起加熱,生成氧化鋅。
(a) 寫出以上化學反應式。

6.
OPEN ENDED QUESTION
2 mins • 1 pt
8.14g 氧化鋅與2.20g碳粉一起加熱,生成氧化鋅。
(b) 哪一種反應物是限量?
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7.
OPEN ENDED QUESTION
2 mins • 1 pt
8.14g 氧化鋅與2.20g碳粉一起加熱,生成氧化鋅。
(c) 計算所生成的鋅的摩爾數。
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