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Physics 7 Online
OpenStudy (anonymous):

Water can change from liquid to gas only through a chemical reaction.

OpenStudy (anonymous):

false. H2O changes form through pressure. The atomic structure of H20 does not change. Only the density of atoms in a given space.

OpenStudy (anonymous):

When an atom, ion, or molecule of a reactant switches places with an unpaired reactant, the type of reaction is called __________________.

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