Unit 8 Chemical Reactions

Front 1

an equation with symbols and formulas (or their names) that represents the reactants and products in a chemical reaction, along with their relative amounts

Back 1

chemical equation

Front 2

an equation where reactants and products are represented by words

Back 2

word equation

Front 3

an equation where reactants and products are represented by symbols or formulas

Back 3

formula equation

Front 4

whole numbers appearing in front of formulas or symbols so that the same number of atoms of each element appear on each side of the equation

Back 4

coefficient

Front 5

a substance that changes the rate of a chemical reaction, but can be recovered in the end unchanged

Back 5

catalyst

Front 6

a chemical reaction in which the products reform back into the original reactants

Back 6

reversible reaction

Front 7

a reaction where two or more substances combine to form a new compound

Back 7

synthesis (composition)

Front 8

a reaction where a single compound produces two or more simpler substances

Back 8

decomposition

Front 9

decomposition of a substance by an electric current

Back 9

electrolysis

Front 10

one element replaces an element in a compound

Back 10

single replacement (also referred to as displacement)

Front 11

ions of two compounds exchange places in an aqueous solution to form 2 new compounds

Back 11

double replacement

Front 12

a substance (many times a hydrocarbon) combines with oxygen releasing large amounts of energy in the form of light and heat

Back 12

combustion

Front 13

one in which one or more atoms replace another atom or group of atoms in a molecule

Back 13

substitution reactions

Front 14

one in which an atom or molecule is added to an unsaturated molecule and increases the saturation of the molecules

Back 14

addition reactions

Front 15

H is specificall added to an unsaturated molecule

Back 15

hydrogenation

Front 16

one in which two molecules or parts of the same molecule combine

Back 16

condensation reactions

Front 17

one in which a simple molecule, such as water or ammonia, is removed from adjacent carbon atoms of a larger moelcule

Back 17

elimination reactions

Front 18

large molecules made of many small units joined to each other through organic reactions

Back 18

polymers

Front 19

small units that make up polymers

Back 19

monomers

Front 20

made of 2 or more different monomers

Back 20

copolymers

Front 21

melts when heated and can be easily reshaped

Back 21

thermoplastic polymer

Front 22

doesnt melt when heated & keeps its shape

Back 22

thermosetting polymer

Front 23

a polymer formed by chain reactions between monomers that contain a double bond

Back 23

addition polymer

Front 24

a polymer formed by condenstaion reactions

Back 24

condensation polymer

Front 25

used in plastic bags

Back 25

LDPE low density polyethylene

Front 26

used in bottles

Back 26

HDPE high density polyethylene

Front 27

used in upholstery

Back 27

polypropylene

Front 28

used in pipes

Back 28

polyvinyl chloride

Front 29

used in packaging foam

Back 29

polystyrene

Front 30

use for non-stick surfaces

Back 30

teflon

Front 31

synthetic rubber

Back 31

neoprene

Front 32

requires two functional groups to continue the reaction

Back 32

condensation polymer