7.4 光化学周环反应Photochemical Pericyclic Reactions_ An Introduction 07:40 7.5 周环反应的轨道分析 Orbital Analyses of Pericyclic Reactions 11:20 7.6 (n,π_)和(π,π_”)态的标准初级反应 13:11 7.7 反应机理 What is a Reaction Mechanism_ 07:56 8.1 羰基(n,π_) 态的初级过程Primary Pro...
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
题目【题目】7. The rate expression of a reaction is: rate =k[ A][ B][C]. What is the unit of k?()A. moldm^(-3)s^(-1) B. s-1C. mol^(-2)dm^6s^(-1) D. mol^(-1)dm^3s^(-1) 相关知识点: 试题来源: 解析 【解析】C ...
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...
百度试题 结果1 题目2.What is the first-order rate constant for a reaction that is36,5% complete in 0,0200 seconds? c a. 50,4s^(-1) b. 27.7s^(-1) c. 22.7s^(-1) d. 9.86s^(-1) 相关知识点: 试题来源: 解析 c 反馈 收藏 ...
What Is The Effect On The Rate Of Reaction When Varying The ConcentrationSecondsSecondsSecondsSeconds
Differentiate between :Average rate and instantaneous rate of a chemical reaction. View Solution Consider the graph given in Q.9 Which of the following options does not show instantaneous rate of reaction at40thsecond? View Solution Consider the graph given in figure . Which of the following optio...
1. The rate of reaction is equal to the change in concentration divided by the time interval in which that change has taken place. 2. The rate of reaction can be expressed in terms of any reactant or product. 3. As concentration of reactant decreases, a negative sign is used to expres...
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The rate constant is something that you need to incorporate in the rate equation in order to find out reaction rate as a function of time. You were, however, right about the rate and rate constant. Logged "Destiny is not a matter of chance; but a matter of choice. It is not a thing...