
Занятие 1
Quiz
•
Chemistry
•
11th Grade
•
Medium
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2NO(г)+O2(г)⇄2NO2(г)+Q
куда сместится равновесие при уменьшении давления?
в сторону прямой реакции
в сторону обратной реакции
практически не смещается
не понимаю как делать
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO2(г)+C(тв)⇄2CO(г)
как изменится скорость реакции при увеличении давления?
увеличится
уменьшится
не изменится
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CO2(г)+C(тв)⇄2CO(г)−Q
при увеличении концентрации СО равновесие сместится?
в сторону прямой реакции
в сторону обратной реакции
практически не сместится
не понимаю
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
атомная масса хлора (Cl) равна
36
35
35,453
35,5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
молярная масса гидроксида железа 2 равна
34
89
90
89,86
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
при измельчении твёрдого реагента скорость реакции
увеличивается
уменьшается
не изменяется
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
формула поташа
KHCO3
K2CO3
Na(OH)
Na
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