2023下半年高含金量商科/经济竞赛：FBLA、NEC、IEO三大竞赛对比分析
除了工程类、数学和计算机专业，商科专业也一直位于中国留学生青睐的选择之一。商科专业的学生未来就业前景和薪资都十分有潜力，这也是其备受追捧的原因之一。 如今形形色色的商赛有很多，对于商科、经济学子来说...
IB DP Physics: SL复习笔记4.1.1 Properties of Oscillations
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 be...
IB DP Physics: SL复习笔记3.2.5 Investigating Gas Laws
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 constan...
IB DP Physics: SL复习笔记3.2.4 Mole Calculations
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 ele...
IB DP Physics: SL复习笔记3.2.3 Kinetic Model of an Ideal Gas
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...
IB DP Physics: SL复习笔记3.2.2 Ideal Gas Equation
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 expres...
IB DP Physics: SL复习笔记3.2.1 Ideal Gas Laws
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:...
IB DP Physics: SL复习笔记3.1.7 Investigating Thermal Energy
Investigating Thermal Energy Estimating the Specific Heat Capacity of a Metal Aim of the Experiment The aim of the experiment is to determine the specific heat capacity of a metal block Variables ...
IB DP Physics: SL复习笔记3.1.6 Phase Change
Phase Change A phase change happens whenever matter changes its state During a phase change, thermal energy is transferred to or from a substance This energy transfer does not change the temperatur...
