Chapter 6 TRIVIA
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What is a physical change?
Any change that
alters the form or
appearance
of a substance.
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What is a chemical change?
A change in
matter that produces
one or more new
substances.
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What are reactants?
The substances
that undergo change in
a chemical reaction.
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What are products?
The new
Substances formed
by a reaction.
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Chemical changes
occur when___________
bonds break and new
bonds form.
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What is a precipitate?
A Solid that forms from
solution during a
chemical change.
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What is an endothermic reaction?
During a chemical
Reaction, the net
absorption of energy..
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What is an exothermic
reaction?
During a reaction,
the release of energy.
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What evidence
might tell you that
a chemical reaction has taken
place?
A change in color,
the formation of a
precipitate,changes in
properties, production
of gas
bubbles.
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What is a chemical
equation?
Chemical
equations use chemical
formulas and other symbols
instead of words
to summarize
a reaction.
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