IB DP Physics: HL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 el...
IB DP Physics: HL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: HL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 expre...
IB DP Physics: HL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: HL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: HL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...
IB DP Physics: HL复习笔记3.1.5 Specific Latent Heat
Specific Latent Heat During a?phase change?(i.e. a change of state) thermal energy is transferred to a substance or removed from it, while the temperature of the substance does not change In this c...
IB DP Physics: HL复习笔记3.1.4 Specific Heat Capacity
Specific Heat Capacity The amount of thermal energy needed to change the temperature of an object depends on: The change in temperature required?ΔT?- i.e. the larger the change in temperature the m...
IB DP Physics: HL复习笔记3.1.3 Internal Energy
Internal Energy When a substance gains or loses thermal energy, its?internal energy?increases or decreases The internal energy of a substance is defined as: The sum of the total kinetic energy and ...
