23 Terms
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General chemistry
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General chemistry
Amorphous
Chemistry; General chemistry
A solid that does not have a repeating, regular three-dimensional arrangement of atoms, molecules, or ions.
Ester
Chemistry; General chemistry
An ester is a compound formed from an acid and an alcohol . In esters of carboxylic acids , the -COOH group and the -OH group lose a water and become a -COO- linkage: R-COOH + R'-OH = R-COO-R' + H2O ...
Absorptivity
Chemistry; General chemistry
The absorbance of a solution per unit of path length and per unit concentration; a = A/(bc) where a, A, b, and c are the absorptivity, absorbance, path length, and concentration, respectively. ...
Diffusion rate
Chemistry; General chemistry
The number of randomly moving molecules that pass through a unit area per second. Diffusion rates are fastest when a large concentration difference exists on either side of the unit area. Diffusion ...
Metre
Chemistry; General chemistry
The metre is the basic unit of length in the SI system of units, defined as the distance light travels through a vacuum in exactly 1/299792458 seconds. 1 m = 39.37 inches. metres are abbreviated as ...
Stoichiometric coefficient
Chemistry; General chemistry
The coefficients given before substances in a balanced chemical equation . For example, the stoichiometric coefficient of carbon dioxide in the following reaction is 4: 2 C2H6(g) + 7 O2(g) 4 CO2 + ...
