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Forcing solvent molecules to flow through a semipermable membrane from a concentated solution into a dilute solution by the application of greater hydrostatic pressure on concentrated side than the osmotic pressure opposing it.

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Graham's Law

The rates of effusion of gases are inversely proportional to the square roots of their molecular weights or densities.

Photon

A packet of light or electromagnetic radiation, also called quantum of light.

 

Miscibility

The ability of one liquid to mix with (dissolve in) another liquid.

Nonpolar Bond

Covalent bond in which electron density is symmetrically distributed.

Heterogeneous Mixture

A mixture that does not have uniform composition and properties throughout.

Energy

The capacity to do work or transfer heat.

Net Ionic Equation

Equation that results from canceling spectator ions and eliminating brackets from a total ionic equation.

Anode

In a cathode ray tube, the positive electrode. Electrode at which oxidation occurs.

Hard Water

Water containing Fe3+, Ca2+, and Mg2+ ions, which forms precipates with soap.

Ternary Acid

A ternary compound containing H, O, and another element, often a nonmetal.