reactions vocab

Question 1

process in which 1+ substances are changed into new ones

Answer 1

chemical reaction

Question 2

chemical equation with some number of atoms of each element on both sides of the equation

Answer 2

balanced chemical equation

Question 3

shorthand method used to describe chemical reactions using chemical formulas and other symbols

Answer 3

chemical equation

Question 4

in chemical reaction, the substance that reacts

Answer 4

reactant

Question 5

in chemical reaction, new substance(s) formed

Answer 5

product

Question 6

insoluble compound thats formed in a solution during double displacement reaction

Answer 6

precipitate

Question 7

SI unit for quantity equal to 6.022 x 10^23 units of substance

Answer 7

mole

Question 8

mass in grams of one mole of substance

Answer 8

molar mass

Question 9

number in chemical equation that represents number of units of each substance taking parts in chemical reaction

Answer 9

coefficient

Question 10

loss of e- from atoms of substance taking part in chemical reactions

Answer 10

oxidation

Question 11

gain of e- by atom of substance in a chemical reaction

Answer 11

reduction

Question 12

chemical reaction in which 2+ substances combine to form a different substance

Answer 12

synthesis reaction

Question 13

reaction that can proceed in both forward and reverse direction

Answer 13

reversible reaction

Question 14

reaction in which 2 ionic compounds in solution are combined, can produce a precipitate, water, gas

Answer 14

double displacement reaction

Question 15

chemical reaction in which 1 element replaces another element in a compound

Answer 15

single displacement reaction

Question 16

type of chemical reaction that occurs when a substance reacts with oxygen to produce energy in form of heat and light

Answer 16

combustion reaction

Question 17

chemical reaction in which 1 substance breaks down into 2+ substances

Answer 17

decomposition reaction

Question 18

chemical reaction in which energy is primarily given off in form of thermal energy

Answer 18

exergonic

Question 19

chemical reaction that requires input energy in form of light, thermal energy, or electricity in order to proceed

Answer 19

endergonic

Question 20

chemical reaction that requires thermal energy in order to proceed

Answer 20

endothermic reaction

Question 21

rate at which reactants change into products in chemical reactions

Answer 21

reaction rate

Question 22

explains why certain factors affect reaction rates, states particles must collide in order to react

Answer 22

collision model

Question 23

state in which forward and reverse reactions or processes occur at equal rates

Answer 23

equilibrium

Question 24

substance that slows down chemical reactions or prevents it from occurring by combining with reactant

Answer 24

inhibitor

Question 25

substance that speeds up chemical reactions without being permantly changed itself

Answer 25

catalyst