Edexcel A Level Chemistry:复习笔记6.1.1 Reduction & Oxidation
Reduction & Oxidation To recap, there are three definitions of oxidation and reduction used in different branches of chemistry Oxidation and reduction can be used to describe any of the...
Edexcel A Level Chemistry:复习笔记5.5.9 Arrhenius & Activation Energy
Arrhenius & Activation Energy The rate equation shows how each of the reactants in a reaction effects the rate of the reaction and it includes the rate constant, k However, k only remain...
Edexcel A Level Chemistry:复习笔记5.5.8 Rates & Reaction Mechanisms
Deducing Reaction Mechanisms Chemical kinetics can only suggest a reaction mechanism, they cannot prove it However, they can be used to disprove a proposed mechanism Elementary steps ...
Edexcel A Level Chemistry:复习笔记5.5.7 Rate-Determining Steps
Deducing Rate-Determining Steps Rate-determining step & intermediates A chemical reaction can only go as fast as the slowest part of the reaction So, the rate-determining step is the slo...
Edexcel A Level Chemistry:复习笔记5.5.6 Reaction Order Graphs
Reaction Order Graphs Reaction Order Using Concentration-Time Graphs In a zero-order reaction, the concentration of the reactant is inversely proportional to time This means that the reactan...
A-Level2022年夏季大考A*几率较高的科目有哪些？
夏季大考出分已经有一段时间了，而三大国际考局也随后放出了今年的成绩统计数据，A-Level夏考成绩如何？让我们来看看2022年夏考三大考试局A*几率较高的科目有哪些？ 三大考试局A*率 ▶︎ CAIE考试局 A-Level...
Edexcel A Level Chemistry:复习笔记5.5.5 Continuous Monitoring Method
Continuous Monitoring Method Continuous monitoring involves collecting experimental data throughout the course of a reaction to plot a concentration-time graph Two of the most common ways to...
Edexcel A Level Chemistry:复习笔记5.5.4 Initial Rates Method
Initial Rates Methods The initial rates method determines the rate at the very start of the reaction when t = 0 The initial rate can be found by: Drawing a concentration-time graph Adding a ...
Edexcel A Level Chemistry:复习笔记5.5.3 Rates - Experimental Techniques
Rates - Experimental Techniques To measure the rate of a reaction, we need to be able to measure either how quickly the reactants are used up or how quickly the products are formed The metho...
