Average Kinetic Energy of a Molecule 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, temperat...
Derivation of the Kinetic Theory of Gases Equation When molecules rebound from a wall in a container, the change in momentum gives rise to a force exerted by the particle on the wall Many molecules...
Assumptions of the Kinetic Theory of Gases Gases consist of atoms or molecules randomly moving around at high speeds The kinetic theory of gases models the thermodynamic behaviour of gases by linki...
Ideal Gas Equation The equation of state for an ideal gas (or the ideal gas equation) can be expressed as: pV = nRT The ideal gas equation can also be written in the form: pV = NkT An ideal gas is ...
Ideal Gases An ideal gas is one which obeys the relation: pV ∝ T Where: p = pressure of the gas (Pa) V = volume of the gas (m3) T = thermodynamic temperature (K) The molecules in a gas move around ...
对于留学生来说，大学专业的选择几乎就决定了未来的发展方向，因此，收入前景好的专业总是备受青睐，比如每年都有无数学子为了毕业后令人羡艳的起薪，大家都愿意去学CS专业，然而对于有些专业来说，即使你付出了...
Amount of Substance In thermodynamics, the amount of substance is measured in the SI unit ‘mole’ This has the symbol mol The mole is a unit of substance, not a unit of mass The mole is defined as: ...
Defining Latent Heat Capacity Energy is required to change the state of substance Examples of changes of state are: Melting = solid to liquid Evaporation/vaporisation/boiling = liquid to gas Sublim...
Defining Specific Heat Capacity The specific heat capacity of a substance is defined as: The amount of thermal energy required to raise the temperature of 1 kg of a substance by 1 °C This quantity ...
