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Unit 5: Chemical Reactions
Balanced Chemical Equation- having the same number of elements are both sides
Coefficients- the large numbers before the elements (helps balance)
Products- what comes after the arrow
Reactants- what comes before the arrow
Reactions- is a process when substances change into something new
Counting Atoms
Balancing Chemical Equations
4 Indicators that a Chemical Reaction has occurred
* Gas- ex: bubbles
* Color Change- ex: 2 clear liquids mixed together to make a pink liquid
* Temperture Change- ex: mixing 2 room temp. items to make a hot item
* Precipitates- ex: particles
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