In a chemical reaction, what will slow down the reaction rate? A. Increase surface area B. Higher temperature C. Decrease the amount of reactants D. Add an inhibitor 相关知识点: 试题来源: 解析 D。增加反应物的表面积和升高温度会加快反应速率。减少反应物的量不一定会明显减慢反应速率。添加...
In the chemical experiment,the temperature was gradually increased.What can be expected to happen as the temperature rises? A. The reaction rate decreases. B. The reaction rate remains unchanged. C. The reaction rate increases. D. The reaction stops completely. 相关知识点: ...
What is the effect of using a catalyst on the reaction rate? A. Decrease it B. Increase it C. Have no effect D. Depend on the reaction 相关知识点: 试题来源: 解析 B。解析:催化剂能够降低反应的活化能,从而加快反应速率。反馈 收藏
What Affects the Rate of Reaction?
They held his hand and taught him how to insert the key correctly.
B.They held his hand and taught him how to insert the key correctly C.They turned a blind eye to his behavior D.They advised his parents to teach him查看答案更多“What was the reaction of the hotel staff to Benjamin’s efforts()”相关的问题 第1题 A guest in this hotel accused one...
单项选择题What was the expected reaction of the local people to the student’’s efforts ?()A.Most of them would be indifferent and keep on throwing garbage into the fiver. B.They would join the students in changing the situation. C.They would become more aware of the pollution problem....
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Therefore, heating the reaction mixture increases the number of effective collisions between reactant particles, thus increasing the rate of the forward reaction. 加热反应混合物会增加反应物粒子的平均动能,使更多粒子拥有足够的能量克服活化能,从而发生有效碰撞,进而提高正向反应速率。
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