化学1 化学反応の速さ
Quiz
•
Science, Chemistry
•
11th - 12th Grade
•
Practice Problem
•
Medium
コバ プリ
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A→2Bという反応が進み、時刻t₁からt₂の間に濃度が[A]₁から[A]₂まで減少したときの減少速度の式について、正しいものを選べ。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Answer explanation
m/sだったらこの世は今頃崩壊しているでしょう
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
反応の速さを決める要素として正しいものをすべて選べ。
濃度
圧力
触媒の有無
反応を起こす容器の素材
表面積
Answer explanation
最初は全部の選択肢を正解にしようと思ったけど結局一つドボンにしました
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
不均一触媒として正しいものをすべて選べ。
酵素
Pt
Fe
MnO₂
Answer explanation
酵素やFe³⁺などは均一触媒
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
固体が反応を起こすとき、もっとも反応速度が高いと考えられるものは何か。
粉末状の固体を触媒と共に高温で反応させる
粉末状の固体を高温で反応させる
塊状の固体を触媒と共に反応させる
粒状の固体を反応させる
Answer explanation
塊状≒粒状
・粉末=表面積大きい
・触媒=反応促進
・高温=熱運動盛ん
以上三点が解答のピース
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
分子が反応するためには、一度高いエネルギーを持った中間状態を経過する必要がある。この状態を何というか。
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