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...
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...
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...
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:...
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 ...
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...
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...
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 ...
Temperature Temperature?is a measure of how hot or cold objects are Temperature also determines the direction in which thermal energy will flow between two objects (or between an object and its sur...
