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List four observations that indicate that a chemical reaction may be taking place
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The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
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Chemistry, 22.06.2019 13:30
Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.
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Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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12)
Na +
H2O
t
NaOH +
H2
Balanced...
Na +
H2O
t
NaOH +
H2
Balanced...
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