A. decreasing the temperature B. increasing the concentration of reactants C. removing the catalyst D. decreasing the pressure 相关知识点: 试题来源: 解析 B。本题考查影响化学反应速率的因素。A 选项降低温度会减慢化学反应速率。B 选项增加反应物浓度可以加快化学反应速率,符合题意。C 选项移除催化剂会...
A. lowering the temperature. B. decreasing the concentration of reactants. C. adding a catalyst. D. reducing the pressure. 相关知识点: 试题来源: 解析 C。解析:添加催化剂可以提高化学反应的速率。选项 A 降低温度通常会使反应速率减慢。选项 B 降低反应物浓度也会使反应速率减慢。选项 D 降低压力对...
A. lowering the temperature B. decreasing the concentration of reactants C. adding a catalyst D. increasing the volume of the reaction vessel 相关知识点: 试题来源: 解析 C。本题考查影响化学反应速率的因素。添加催化剂可以降低反应的活化能,从而加快化学反应速率。降低温度会使反应速率减慢;减小反应物...
【BC微课】9.5 Reversible reactions 09:06 【BC微课】9.6 Shifting the equilibrium 勒·夏特列原理与平衡移动 17:06 【BC微课】10.1-2 Rate of reaction and Measuring the rate of a reaction 反应速率&如何测量反应速率 14:39 【BC微课】10.3-4 Changing the rate of a reaction 反应速率的影响因素 15:09...
A. decreasing the activation energy. B. decreasing the amount of free energy released. C. increasing the activation energy. D. increasing the amount of free energy released. E. increasing the energy of the transition state. 相关知识点: 试题...
A. being consumed in the reaction B. providing a pathway with higher activation energy C. increasing the temperature D. providing an alternative pathway with a lower activation E. nergy 相关知识点: 试题来源: 解析 D。中文解析:催化剂通过提供具有较低活化能的替代反应途径来增加反应速率。A 选项在...
The rate of the chemical reaction ___ by temperature. A. is affected B. affects C. are affected D. affect 相关知识点: 试题来源: 解析 A。本题考查被动语态。“rate”是单数,且“被温度影响”要用被动语态,被动语态的构成是“be + 过去分词”,所以是“is affected”。反馈 收藏 ...
百度试题 结果1 题目The rate of a chemical reaction depends ___ many factors. A. on B. in C. at D. for 相关知识点: 试题来源: 解析 A。depend on 是固定搭配,表示“取决于”。反馈 收藏
19 A catalyst increases the rate of a chemical reaction by (1)(1)providing an alternate reaction pathway(2)providing the required heat of reaction(3) increasing the potential energy of the products(4) increasing the activation energy of the reaction 相关知识点: 试题来源: 解析 (1) 反馈...
百度试题 结果1 题目 If the rate of a reaction increases with increasing reactant concentrations, the rate constant also increases. 相关知识点: 试题来源: 解析 错误 反馈 收藏