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...
CIE A Level Chemistry复习笔记5.1.6 Enthalpies of Solution & Hydration
Enthalpy Change of Hydration & Solution Enthalpy change of solution The standard enthalpy change of solution (ΔHsolꝋ) is the enthalpy change when 1 mole of an ionic substance dissolves in suffi...
CIE A Level Chemistry复习笔记5.1.5 Factors Affecting Lattice Energy
Lattice Energy: Ionic Charge & Radius The two key factors which affect lattice energy, ΔHlattꝋ, are the charge and radius of the ions that make up the crystalline lattice Ionic radius The latti...
CIE A Level Chemistry复习笔记5.1.4 Calculations using Born-Haber Cycles
Calculations Using Born-Haber Cycles Once a Born-Haber cycle has been constructed, it is possible to calculate the lattice energy (ΔHlattꝋ) by applying Hess’s law and rearranging: ΔHfꝋ = ΔHatꝋ + ΔH...
帝国理工录取数据更新，哪些专业热门？哪些专业录取难度高？
作为G5院校之一，帝国理工是很多目标留英同学们的梦校！ 最近，帝国理工官网更新了2020-2021本科录取数据，录取率较往年有所升高！ 与此同时，英国政府也发布了全新的“慷慨”签证政策，大力欢迎留学生，赶快来看看...
8月11日雅思考情回顾！阅读难度最大
8月11日的雅思考试你参加了吗？ 本场考试的阅读题巨难！ 快来一起看看考情回顾吧！ 听力 听力部分从总体难度上来看还是比较正常的，虽然S1和S2的题型有点偏离常规设置，但填空和选择类题型总体比例还是相对平衡的...
2023年美国高中传媒大赛报名已开启-比赛时间-参赛主题
美国高中传媒大赛 International Writing, Photography and Multimedia Contest 含金量：5.0 难度：4.0 美国高中传媒大赛每年有近20万美国高中生参与，是美国中学校长协会(National Association of Secondary Sch...
