| A | B |
| STP | ZERO DEGREES CELCIUS AND ONE ATM OF PRESSURE |
| PRESSURE | FORCE PER UNIT AREA |
| TEMPERATURE | AVERAGE KINETIC ENERGY OF THE PARTICLES OF A SUBSTANCE |
| HEAT | SUM OF THE KINETIC ENERGY OF THE PARTICLES OF A SUBSTANCE |
| BOYLES' LAW | PRESSURE AND VOLUME MEASURED AT A CONSTANT TEMPERATURE AND NUMBER OF MOLES ARE INVERSELY PROPORTIONAL |
| CHARLES' LAW | VOLUME AND KELVIN TEMPERATURE MEASURED AT A CONSTANT PRESSURE AND NUMBER OF MOLES ARE DIRRECTLY PROPORTIONAL |
| IDEAL GAS | ASSUMED THE MOLECULES OCCUY ZERO VOLUME AND DO NOT ATTRACT EACH OTHER |
| REAL GAS | MOLECULES OCCUPY VOLUME AND ATTRACT EACH OTHER |
| PARTIAL PRESSURE | PRESSURE EXERTED BY A SINGLE GAS IN A MIXTURE OF GASES |
| MOLAR VOLUME AT STP | 22.4 L |
| AVOGADRO'S HYPOTHESIS | EQUAL MOLE OF GASES MEASURED AT THE SAME TEMPERATURE AND PRESSURE WILL OCCUPY THE SAME VOLUME |
| DALTON'S LAW OF PARTIAL PRESSURE | THE PRESSURE OF A MIXTURE OF GASES IS EQUAL TO THE SUM OF THE PARTIAL PRESSURES OF THE GASES IN THE MIXTURE |