EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:3.2.3 Catalysts
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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 con...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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 con...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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, t...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:3.1.4 Practical: Investigating Temperature Changes Practical: Investigating Temperature Changes Aim: To perform a calorimetry study of the reaction...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 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 subst...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:3.1.2 Calorimetry Calorimetry Calorimetry is a technique used to measure changes in enthalpy of chemical reactions There are two types of ca...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:3.1.1 Exothermic & Endothermic Exothermic & Endothermic The changes in heat content can be determined and measured with a thermomete...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:2.7.5 Tests for Water Tests for Water Water can be identified using a chemical test and/or a physical test Chemical test for water An...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记:2.7.4 Tests for Anions Tests for Anions Testing for Anions Table Exam Tip When it comes to qualita...
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