Gay-Lussac's law
E485187
Gay-Lussac's law is a gas law stating that the pressure of a fixed mass of gas at constant volume is directly proportional to its absolute temperature.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
gas law
ⓘ
physical law ⓘ |
| alsoKnownAs |
Amontons's law (in some historical contexts)
NERFINISHED
ⓘ
pressure–temperature law NERFINISHED ⓘ |
| appliesTo | ideal gas ⓘ |
| assumes | ideal gas behavior ⓘ |
| category | laws of thermodynamics (gas behavior) ⓘ |
| condition |
constant volume
ⓘ
fixed mass of gas ⓘ |
| derivedFrom | ideal gas equation PV = nRT ⓘ |
| describes | relationship between pressure and temperature of a gas at constant volume ⓘ |
| domain | macroscopic gases ⓘ |
| field |
kinetic theory of gases
ⓘ
physical chemistry ⓘ thermodynamics ⓘ |
| historicalPeriod | early 19th century ⓘ |
| holdsWhen |
amount of gas is constant
ⓘ
volume is constant ⓘ |
| implies | P/T is constant for a given gas at constant volume ⓘ |
| isSpecialCaseOf | ideal gas law NERFINISHED ⓘ |
| limitation |
deviations occur at high pressure
ⓘ
deviations occur at very low temperature ⓘ |
| mathematicalForm |
P = kT
ⓘ
P ∝ T ⓘ P1 / T1 = P2 / T2 ⓘ |
| namedAfter | Joseph Louis Gay-Lussac NERFINISHED ⓘ |
| predicts |
pressure decreases when temperature decreases at constant volume
ⓘ
pressure increases when temperature increases at constant volume ⓘ |
| proportionality | pressure is directly proportional to absolute temperature ⓘ |
| relatedTo |
Boyle's law
NERFINISHED
ⓘ
Charles's law NERFINISHED ⓘ combined gas law ⓘ ideal gas law NERFINISHED ⓘ |
| relatesVariable |
pressure
ⓘ
temperature ⓘ |
| requires | temperature measured in kelvin ⓘ |
| requiresUnit |
pressure in absolute units
ⓘ
temperature in kelvin scale ⓘ |
| taughtIn |
general chemistry courses
ⓘ
introductory physics courses ⓘ |
| usedIn |
aerosol can safety analysis
ⓘ
engineering thermodynamics ⓘ gas thermometer calibration ⓘ pressure vessel design ⓘ |
| usesTemperatureScale | absolute temperature ⓘ |
| variableHeldConstant |
amount of substance
ⓘ
volume ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.