Edexcel IGCSE Chemistry 復習筆記 3.2.4 Activation Energy
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 3.2.3 Catalysts
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 3.2.2 Explaining Rates
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 3.2.1 Measuring Rates
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 3.1.6 Practical: Investigating Temperature Changes
Edexcel IGCSE Chemistry 復習筆記 3.1.6 Practical: Investigating Temperature Changes Practical: Investigating Temperature Changes Aim: To perform a calorimetry study of the reaction between HCl and ...
Edexcel IGCSE Chemistry 復習筆記 3.1.5 Bond Energy
Edexcel IGCSE Chemistry 復習筆記 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 復習筆記 3.1.4 Energy Level Diagrams
Edexcel IGCSE Chemistry 復習筆記 3.1.4 Energy Level Diagrams Energy Level Diagrams Energy Level Diagrams Energy level diagrams (sometimes called reaction profiles) are graphical representati...
Edexcel IGCSE Chemistry 復習筆記 3.1.3 Energetics Calculations
Edexcel IGCSE Chemistry 復習筆記 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...
Edexcel IGCSE Chemistry 復習筆記 3.1.2 Calorimetry
Edexcel IGCSE Chemistry 復習筆記 3.1.2 Calorimetry Calorimetry Calorimetry?is a technique used to measure changes in enthalpy of chemical reactions There are two types of calorimetry experim...
