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# Scientific Laws

### Scientific Laws and descriptions

TermDefinition
BERNOULLI’S PRINCIPLE The pressure exerted by a fluid decreases as its velocity increases
BOYLE’S LAW The volume of a gas is inversely proportional to its pressure if temperature is held constant.
CHARLES’ LAW The volume of a gas is directly proportional to temperature if pressure is held constant.
GAY-LUSSAC'S LAW The pressure of a fixed amount of gas at fixed volume is directly proportional to its temperature in kelvins.
COULOMB’S LAW The force between two electric charges is inversely proportional to the square of the distance between them and directly proportional to the product of their charges
DALTON’S LAW The total pressure of a gas mixture is equal to the sum of the partial pressures of the components
GRAHAM’S LAW The rate of effusion of a gas is inversely proportional to the square root of its molar mass
HENRY’S LAW The solubility of a gas in a liquid is directly proportional to the partial pressure of the gas
HESS’S LAW The amount of energy generated from a chemical reaction is the same whether the reaction happens in one step or several steps.
HOOKE’S LAW The extension of a spring is proportional to the load placed on it. Or, stress is directly proportional to strain.
HUBBLE’S LAW Galaxies recede from each other with a velocity proportional to their distance.
OHM’S LAW Electric current is equal to the potential difference across the conductor divided by resistance (I=v/R)
RAOULT’S LAW When a substance is dissolved in a solvent, the solution formed will have a lower freezing point, higher boiling point, and less vapor pressure than the pure solvent.
SNELL’S LAW The ratio of the sine of an angle of incidence to the sine of the angle of refraction is a constant.
AVOGADRO'S LAW Equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules. It is, in fact, only true for ideal gases.
Newton's laws of motion Three physical laws that together laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to said forces.