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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...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：2.7.3 Tests for Cations Tests for Cations Metal cations in aqueous solution can be identified by the colour of the precipitate they f...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：2.7.2 Flame Tests Flame Tests Metal ions produce a colour if heated strongly in a flame Ions from different metals produce different colours...
EDEXCEL IGCSE CHEMISTRY: DOUBLE SCIENCE 复习笔记：2.7.1 Tests for Gases Tests for Gases Many reactions in the lab produce gases which then need to be tested The table below indicates ...
