Describing Oscillations An oscillation is defined as follows: The repetitive variation with time t of the displacement x of an object about the equilibrium position (x = 0) A pendulum oscillates ...
Investigating Gas Laws Investigating Gay-Lussac's Law Aim of the Experiment The aim of the experiment is to investigate the relationship between the pressure and the temperature of a gas at consta...
Mole Calculations The Mole The mole is one of the seven SI base units It is used to measure the amount of substance One mole is defined as follows: The amount of substance that contains as many el...
Kinetic Model of an Ideal Gas Gas Pressure A gas is made of a large number of particles Gas particles have mass and move randomly at high speeds Pressure in a gas is due to the collisions of the ga...
AP成绩可以换美国大学的学分。但具体到每个学校，政策上会有不同，目前来说主要有：学分限制、科目限制和高分限制三种类型。 学分限制：对于所换学分的总数有所限制，比如西北大学要求只能换1-2个学分。 科目限制...
说到美本申请必备的考试，AP绝对拥有一席之地。 与大家熟知的考察学生语言能力的托福、综合学术能力的SAT不同的是，AP作为“大学预科课程”，分为三十几个科目，更侧重考察的是学生在某一学科领域的能力。 那么AP在...
Ideal Gas Equation Avogadro's Law Avogadro's Law states: For a gas at constant temperature and pressure, the number of moles n is directly proportional to the volume V of the gas This can be expre...
Ideal Gas Laws Boyle's Law Boyle's Law states: For a fixed mass of gas at a constant temperature, the pressure p is inversely proportional to the volume V This can be expressed in equation form as:...
各大考试局的IGCSE/A Level夏季大考已落下帷幕。一眨眼暑期来临，计划参加10月秋季考试的同学们现在就要开始准备了，尽早备考很重要！ 小编为大家汇总了三大考试局最新考试时间线及具体考试时间表。希望大家在准...
