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16 terms

ch. 8 final

STUDY
PLAY
chemical reaction
the mass of the reactants equals the mass of the products
change in total mass of substances
observation does not indicate that a hemical eaction has occurred
precipitate
when a solid produced by a chemical reaction separates from the solution is called
coefficients
to balance a chemical equation it may be necessary to adjust the
(aq)
in an equation the symbol for a substance in water solution is followed by
synthesis reaction
what kind of reaction do two or more substances combine to form a new compound
displacement reaction
what kind of reaction does one element replace a similar element in a compound
decomposition reaction
what kind of reaction does a single compound produce two or more simpler substances
double-displacement reaction
in what kind of reaction do the ions of two compounds exchange places in aqueous solution to form two new compounds
oxide
in one type of synthesis reaction an element combines with oxygen to yield a
electrolysis
the decomposition of a substance by an electric current is callled
two elements
when a binary compound decomposes what is produced
hydrogen
group 1 metals react with water to produce metal hydroxides and
halogens
the replacement of bromine by chlorine in a salt is an example of a single-displacement reaction by
activity
the ability of an element to react is the element's
below it on the list
an element in the actiity series can replace any element