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...
3.1.化学反应速率RateofChemicalReaction化学反应速率是指在一定条件下反应物转化为生成物的速率，通常用单位时间内反应物浓度的减小或生成物浓度的增加来表示。1.瞬时速率 dc(P)limc/t t0 dc/dt dc(R)反应刚开始时，速率大，然后不断减小，故瞬时速率体现了反应速率变化的实际情况。
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 选项移除催化剂会减慢化学反应速率。D 选项降低压力对...
化学反应速率的表示法 第七章 化学反应速率 一、化学反应速率的表示方法 (1)掌握化学反应速率的概念、化学反应速率的表示法(rate of chemical re… www.docin.com|基于6个网页 3. 化学反应的速率 第11章化学反应的速率(rate of chemical reaction) 详细»回到顶部 文档分类 我要上传 会议 社区 移动 商业工具...
(e.g., Personal protectiveequipment) Reading Text Definition of rate of chemical reaction Conducting Lab Definition of effervescentDocument UseObservation ChartTeaching Planning Notes Review assignment including prior knowledge Writingrequired and assessment tools Completing Lab WorksheetsEssential Skills Matching...
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
The Rate of a Chemical Reaction: Chemical Kinetics A.P. Chemistry Purpose: To determine the rate law for the reaction: H2O2 + 2I- + 2H+ I2 + 2H2O The rate law will take the form: Rate = k[H2O2][I-][H+] Background: Two important questions may be asked about a chemical reaction...
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...
The type of granulation of the ammonium nitrate used is significant in controlling the rate of reaction, and especially the induction time. 所用硝酸铵的颗粒类型,对于控制反应速度,特别是诱导期,是很重要的。 5. Catalysts enhance chemical reactions by increasing the rate of reaction without being consu...
Rate of reaction question. «on:May 15, 2017, 09:17:48 AM » Hey, I'm struggling a bit with this question. For a simple chemical reaction: 3A + B → C + 2D The rate of the reaction is given by -Δ[A]/Δt. Which of the rate equations below is equal to -Δ[A]/Δt ...