Thermal physics. | |
Thermal concepts. | |
3.1.1 | State that temperature[] determines the direction of thermal energy transfer between two objects. |
3.1.2 | State the relation between the Kelvin and Celsius scales of temperature. |
3.1.3 | State that the internal energy of a substance is the total potential energy and random kinetic energy of the molecules of the substance. |
3.1.4 | Explain and distinguish between the macroscopic concepts of temperature, internal energy and thermal energy (heat). |
3.1.5 | Define the mole and molar mass. |
3.1.6 | Define the Avogadro constant. |
Thermal properties of matter. | |
Specific heat capacity[], phase changes and latent heat. | |
3.2.1 | Define specific heat capacity[] and thermal capacity. |
3.2.2 | Solve problems involving specific heat capacities and thermal capacities. |
3.2.3 | Explain the physical differences between the solid, liquid and gaseous phases in terms of molecular structure and particle motion. |
3.2.4 | Describe and explain the process of phase changes in terms of molecular behaviour. |
3.2.5 | Explain in terms of molecular behaviour why temperature[] does not change during a phase change. |
3.2.6 | Distinguish between evaporation and boiling. |
3.2.7 | Define specific latent heat[]. |
3.2.8 | Solve problems involving specific latent heats. |
Kinetic model of an ideal gas. | |
3.2.9 | Define pressure. |
3.2.10 | State the assumptions of the kinetic model of an ideal gas. |
3.2.11 | State that temperature[] is a measure of the average random kinetic energy of the molecules of an ideal gas. |
3.2.12 | Explain the macroscopic behaviour of an ideal gas in terms of a molecular model. |
specific heat capacity
specific latent heat
equation
of state for an ideal gas
molar gas constant
Avogadro constant
absolute zero of temperature
ideal
gas
Assumptions leading to
derivation of pV = 1/3Nmc2
round up questions
Internal energy
Boltzmann constant
Some gas law questions - with worked answers
Module 2 Glossary - interactive version
Questions