chemical reactions

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the basic unit of everything

atom

any change that results in something new being formed/made

chemical reaction

2C4H10(g) + 13O2(g) —> 8CO2(g) + 10H2O(g)

combustion

x + oxygen —> carbon dioxide + water

combustion

two or elements that are chemically combined in a fixed/definite ratio or proportion

compound

AbCDe —> Ab + CDe

decomposition

N2O5 —> O2 + NO2

decomposition

AB + CDFB—> ADF + BC

double replacement

Bal2 + H2SO4 —> 2Hl + BaSO4

double replacement

a pure substance, only one type is present

element

two or more atoms held by a convalent bond

molecule

a substance that is the "something new" or the result of a change

prouduct

a substance that gets used in a chemical reaction. this materiel is present before the reaction takes place.

reactant

AB + Ce —> ACe + B

single replacement

Fe + CuSO4 —> FeSO4 + Cu

single replacement

A + B —>

synthesis

Ca + 6B —> CaB6

synthesis


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