General chemistry

General chemistry

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General chemistry

isobar

Chemistry; General chemistry

1. A contour line that corresponds to values measured at identical pressures. For example, curves on a plot of gas volumes measured at different temperatures in an open container are isobars. 2. ...

Description of the ground state of a molecule with delocalized electrons as an average of several Lewis structures. The actual ground state doesn't switch rapidly between the separate structures: it ...

alkalinity

Chemistry; General chemistry

A measure of a material's ability to neutralize acids . Alkalinities are usually determined using titration .

thermochemical equation

Chemistry; General chemistry

An compact equation representing a chemical reaction that describes both the stoichiometry and the energetics of the reaction. For example, the thermochemical equation CH4(g) + 2 O2(g) CO2(g) + 2 ...

complex ion

Chemistry; General chemistry

An ion formed by combination of simpler ions or molecules; for example, Co2+ combines with six molecules of water to form the complex ion Co(H2O)62+.

isobaric

Chemistry; General chemistry

Having constant pressure.

resonance effect

Chemistry; General chemistry

If electron density at a particular point in a molecule is higher or lower than what you'd expect from a single Lewis structure, and various canonical structures can be drawn to show how electron ...