Physical property
a characteristic of a substance that can change without the substance becoming a different substance
Subject:
Chemistry
Forum reference:
Book page:
http://course-notes.org/Chemistry
Physical change
a change in the form of a substance that can change without the substance becoming a different substance
Subject:
Photochemical smog
air pollution produced by the action of light on oxygen, nitrogen oxides, and unburned fuel from auto exhaust to form ozone and other pollutants
Subject:
Phenyl group
the benzene molecule minus one hydrogen atom
Subject:
pH scale
a log scale based on 10 and equal to --log[H+]; a convenient way to represent solution acidity
Subject:
Petroleum
a thick, dark liquid composed mostly of hydrocarbon compounds
Subject:
Periodic table
a chart showing all the elements arranged in columns in such a way that all the elements in a given column exhibit similar chemical properties
Subject:
Percent yield
the actual yield of a product as a percentage of the theoretical yield
Subject:
Pascal
the SI unit of measurement for pressure, equal to one Newton per square meter
Subject:
Particle accelerator
a device used to accelerate nuclear particles to very high speeds
Subject:
Pages
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