Edexcel IGCSE Chemistry 复习笔记 3.2.5 Practical: Effect of Surface Area on Rate of Reaction 3.2.5 Practical: Effect of Surface Area on Rate of Reaction Practical: Effect of Surface Area on Rate of...
Edexcel IGCSE Chemistry 复习笔记 3.2.4 Activation Energy Reaction Profiles Reaction Profiles Showing ∆H and EA Diagram shows that a catalyst increases the rate of a reaction by...
Edexcel IGCSE Chemistry 复习笔记 3.2.3 Catalysts Catalysts & Rates Catalysts are substances which speed up the rate of a reaction without themselves being altered or consumed in the reac...
Edexcel IGCSE Chemistry 复习笔记 3.2.2 Explaining Rates Explaining Rates Increasing the number of successful collisions means that a greater proportion of reactant particles collide to form ...
Edexcel IGCSE Chemistry 复习笔记 3.2.1 Measuring Rates Measuring Rates You should be able to describe experiments to investigate the effect of surface area, concentration, temperature and a ...
Edexcel IGCSE Chemistry 复习笔记 3.1.6 Practical: Investigating Temperature Changes Practical: Investigating Temperature Changes Aim: To perform a calorimetry study of the reaction between HCl and ...
Maclaurin Series of Standard Functions What is a Maclaurin Series? How do I find the Maclaurin series of a function ‘from first principles’? Is there an easier way to find the Maclaurin series for ...
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Edexcel IGCSE Chemistry 复习笔记 3.1.5 Bond Energy Bond Energy Energy is needed to break bonds which is absorbed from the reaction surroundings, so bond breaking is an endothermic process Th...
Edexcel IGCSE Chemistry 复习笔记 3.1.4 Energy Level Diagrams Energy Level Diagrams Energy Level Diagrams Energy level diagrams (sometimes called reaction profiles) are graphical representati...
Modelling with Differential Equations Why are differential equations used to model real-world situations? A differential equation is an equation that contains one or more derivatives Derivatives de...
Edexcel IGCSE Chemistry 复习笔记 3.1.3 Energetics Calculations Calculate Heat Energy Change In order the calculate heat energy changes you need to know the mass of the substance being heated...
