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
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...
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What are the units for rate of a reaction? Rate of a Reaction: Rate of a reaction is defined as the ratio between the change in concentration of reactants (or products) and the change in time. It determines how fast or slow the reactants are reacted to form products. Therefore, rate...
What Affects the Rate of Reaction?
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Step by step video solution for What is a spontaneous reaction? Write differences between rate of reaction and rate constant of reaction. by Chemistry experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/2023Class...
Rate laws help us predict how much the rate will increase with an increase in concentration. Answer and Explanation: The overall reaction order for the Rate = k[A]2[B]2 is 4. To determine the overall order, add the exponents. The......