AQA A Level Physics复习笔记6.6.4 Brownian Motion
Brownian Motion Brownian motion of particles is the phenomenon when: Small particles (such as pollen or smoke particles) suspended in a liquid or gas are observed to move around in a random,...
AQA A Level Physics复习笔记6.6.3 Average Molecular Kinetic Energy
Average Molecular Kinetic Energy An important property of molecules in a gas is their average kinetic energy This can be deduced from the ideal gas equations relating pressure, volume, tempe...
AQA A Level Physics复习笔记6.6.2 Kinetic Theory of Gases Equation
Kinetic Theory of Gases Equation Assumptions in Kinetic Theory Gases consist of atoms or molecules randomly moving around at high speeds The kinetic theory of gases models the thermodynamic ...
AQA A Level Physics复习笔记6.6.1 Gas Laws v Kinetic Theory
Gas Laws v Kinetic Theory There is a scientific distinction between the gas laws and kinetic theory Gas Laws The gas laws are empirical in nature which means they are based on observation an...
AQA A Level Physics复习笔记6.5.6 Required Practical: Investigating Gas Laws
Required Practical: Investigating Gas Laws Investigating Boyle's Law The overall aim of this experiment is to investigate the effect of Boyle's Law This is the effect of pressure on volume a...
AQA A Level Physics复习笔记6.5.5 Avogadro, Molar Gas & Boltzmann Constant
Avogadro, Molar Gas & Boltzmann Constant Avogadro's Constant The atomic mass unit (u) is approximately the mass of a proton or neutron = 1.66 × 10-27 kg This means that an atom or molecu...
AQA A Level Physics复习笔记6.5.4 Work Done by a Gas
Work Done by a Gas When a gas expands, it does work on its surroundings by exerting pressure on the walls of the container it's in This is important, for example, in a steam engine where exp...
AQA A Level Physics复习笔记6.5.3 Ideal Gas Equation
Ideal Gas Equation An ideal gas is a specific type of gas which: Has molecules with negligible volume Collisions which are elastic Cannot be liquified Has no interactions between the molecul...
AQA A Level Physics复习笔记6.5.2 Gas Laws
Ideal Gas Laws The ideal gas laws are the experimental relationships between pressure (P), volume (V) and temperature (T) of an ideal gas The mass and the number of molecules of the gas is a...
