For a first order reactionA→Products, the half life is 100 seconds. The rate constant of the reaction is View Solution For which of the following reactions, the units of rate constant and rate of reaction are same? View Solution For which order of the reaction, the units of the rate co...
rate=K[A]x[B]y K:the rate constant at a particular temperature [A]&[B]:the concentration of substances A & B x:the order with respect to A, and y is the order for B The overall order of reaction:the sun of the individual orders,x+y Colorimetry measures the intensity of a color...
The reaction rate is usually expressed in terms of change in concentration per unit time. What unit is commonly used for reaction rate? A. mol/L B. mol/L·s C. mol D. L/mol 相关知识点: 试题来源: 解析 B。反应速率通常用单位时间内浓度的变化来表示,单位是 mol/L·s。选项 A 是浓...
unit of time 美 英 un.时间单位 英汉 un. 1. 时间单位 1. Thereactionrate is defined as thechangeinconcentrationofareactantorproduct,[A],perunitoftimet. 反应速率被定义为反应物或生成物在每单位时间t内的浓度改变值[A]。 rywen.net 2.
40 react /ri??kt/ v.(作出)反应;【术语】起化学反应(+with);(因使用某种化学品、药品或食用某种食物)产生不良反应(+to) reaction /ri??k?n/ n.反应;(突发危险时的)反应能力;(药物或食物引起的)不良反应;化学反应,反作用力;(对过去的态度,行为,时尚等的)抗拒,改变 reactive /ri??kt?v/ adj.反应...
Math anxiety-a negative emotional reaction to the core subject causes fear, physical suffering and behavior problems among young pupils, according to a University of Cambridge study. In ordinary life, many people experience some degree of discomfort when faced with a math problem, ranging from mild...
reaction反应 react反应 officer官员 gun枪 doll洋娃娃 02Unit 8课文 点上方绿标即可收听音频 ◆ ◆ ◆ 03Unit 8知识梳理 Lesson 43 1.prepare for为...做准备 be prepared for=get prepared for=be ready for =get ready for ...
central中部的immigrant移民accordingto 根据;依照official官方的;正式的custom习惯;习俗tidy整洁的;使整洁Russian俄罗斯人(的);俄语noisy吵闹的chalk粉笔tradition传统reaction反应react反应officer官员gun枪doll洋娃娃 02Unit 8课文 点上方绿标即可收听音频 ◆ ◆...
44化学反应速率的表示方式速率(度):快慢的程度纵向比较,横向比较Definition of reaction rate单位反应体积内(单位反应区域内)的速率。?第44页,共132页。45化学反应速率化学反应速率定义为单位反应体积内反应程度随时间的变化率 在化学动力学中,化学反应速率的定义是单位时间内单位反应区中反应物的反应量或产物的生成量...
14. rate n. 速度;(比)率;/vt.划分等级15. rating n. 等级;级别16. extinct adj. 已灭绝的17. extinction n. 灭绝18. mass adj. 大量的;广泛的 n./大量;堆;群19. habitat n. (动植物的)生活环境;栖息地20. aware adj. 办知道...