CIE A Level Chemistry复习笔记5.3.1 Electrolysis
Products of Electrolysis Electrolysis is the breaking down of a compound into its elements using an electric current For example, the electrolysis of zinc chloride (ZnCl2) into its elements zinc an...
CIE A Level Chemistry复习笔记5.2.5 Reaction Feasibility: Temperature Changes
Feasibility & Temperature Changes The feasibility of a reaction can be affected by the temperature The Gibbs equation will be used to explain what will affect the feasibility of a reaction for ...
CIE A Level Chemistry复习笔记5.2.4 Reaction Feasibility
The Gibbs Equation: Reaction Feasibility The Gibbs equation can be used to calculate whether a reaction is feasible or not ΔGꝋ = ΔHreactionꝋ - TΔSsystemꝋ When ΔGꝋ is negative, the reaction is feasi...
CIE A Level Chemistry复习笔记5.2.3 Gibbs Free Energy Change & Gibbs Equation
The Gibbs Equation Gibbs free energy The feasibility of a reaction does not only depend on the entropy change of the reaction, but can also be affected by the enthalpy change Therefore, using the e...
深圳贝赛思国际学校新校区将新增670个学位！
深圳贝赛思将在2023年上半年搬入位于蛇口核心位置的新校区，不仅将成为深圳硬件设施最好的国际学校之一，还将带来1670个学位，对比现在深圳贝赛思所提供的1000个学位，新校区将足足新增670个学位！ 按照以往惯例...
CIE A Level Chemistry复习笔记5.2.2 Calculating Entropy Changes
Calculating Entropy Changes The standard entropy change (ΔSsystemꝋ ) for a given reaction can be calculated using the standard entropies (Sꝋ ) of the reactants and products The equation to calculat...
2022-2023年ACT考试开放报名！附ACT报考和转考流程
ACT与SAT并称为“美国高考”，ACT成绩也是世界各国高中毕业生申请美国本科入学资格的重要参考指标。大部分美国高校都承认ACT成绩，其中以分布在中部地区和西部地区的院校居多。部分高校在将ACT成绩作为入学条件的同...
CIE A Level Chemistry复习笔记5.2.1 Entropy & Entropy Change
Defining Entropy The entropy (S) of a given system is the number of possible arrangements of the particles and their energy in a given system In other words, it is a measure of how disordered a sys...
CIE A Level Chemistry复习笔记5.1.9 Factors Affecting Enthalpy of Hydration
Enthalpy of Hydration: Ionic Charge & Radius The standard enthalpy change of hydration (ΔHhydꝋ) is affected by the amount that the ions are attracted to the water molecules The factors which af...
CIE A Level Chemistry复习笔记5.1.8 Energy Cycle Calculations
Energy Cycle Calculations The energy cycle involving the enthalpy change of solution (ΔHsolꝋ ), lattice energy (ΔHlattꝋ), and enthalpy change of hydration (ΔHhydꝋ) can be used to calculate the diff...
2022年ETS更新托福家考报名要求，正确的报名流程了解一下！
近期，ETS官网出现如下弹窗： 上述弹窗的中文翻译是： 您在考试证件这一栏中，提供的国家/地区，与您的个人资料页地址栏中的国家/地区不匹配。请注意，强烈建议您在您居住的国家/地区注册考试。如果您的实际居住...
CIE A Level Chemistry复习笔记5.1.7 Constructing Energy Cycles using Enthalpy Changes & Lattice Energy
Energy Cycle Using Enthalpy Changes & Lattice Energy The standard enthalpy change of hydration (ΔHhydꝋ) can be calculated by constructing energy cycles and applying Hess’s law Energy cycle invo...
