chemistry mid 2

Question 1

process in which one or more substances are converted into one or more different substances

Answer 1

CHEMICAL REACTION

Question 2

Where a material is transformed into a new one, possessing a new composition

Answer 2

CHEMICAL REACTION

Question 3

what does chemical reaction represented by?

Answer 3

CHEMICAL EQUATION

Question 4

substances BEFORE the reaction and are written on the LEFT SIDE of the chemical equation

Answer 4

REACTANTS

Question 5

substances RESULTING from the reaction and are presented on the RIGHT SIDE of the chemical equation

Answer 5

PRODUCTS

Question 6

two or more compounds are COMBINED to form one compound

Answer 6

COMBINATION REACTION

Question 7

BREAKING DOWN of complex molecules into simpler ones

Answer 7

DECOMPOSITION REACTION

Question 8

REPLACES ONE ELEMENT for another in a compound

Answer 8

SINGLE REPLACEMENT REACTION

Question 9

EXCHANGES the cations or the anions of TWO IONIC COMPOUND

Answer 9

DOUBLE REPLACEMENT REACTION

Question 10

OXYGEN GAS combines with HYDROCARBON

Answer 10

COMBUSTION

Question 11

SPECIAL KIND of DOUBLE DISPLACEMENT REACTION that takes place when ACID AND BASE REACT

Answer 11

ACID BASE REACTION

Question 12

the weighted average of the masses of its naturally-occurring isotopes.

Answer 12

ELEMENT

Question 13

used to determine the atomic masses.

Answer 13

SPECTROMETER

Question 14

particles (such as atoms,
molecules, etc.) making up matter

Answer 14

MOLE

Question 15

unit of mole

Answer 15

MOL

Question 16

avogadro number

Answer 16

6.02214076X10^23

Question 17

mole to particle

Answer 17

MULTIPLY

Question 18

summation of atomic
mass of an element or
a compound.

Answer 18

MOLAR MASS

Question 19

tell you how many molecules or moles are present.

Answer 19

COEFFICIENTS

Question 20

tell you how many atoms are in one molecule

Answer 20

SUBSCRIPTS

Question 21

unit of molar mass

Answer 21

G/MOL

Question 22

mol to particle unit

Answer 22

ELEMENT

Question 23

particle to mole unit

Answer 23

MOL

Question 24

an area of study that deals with quantifying the substances produced or consumed in a chemical reaction

Answer 24

STOICHIOMETRY

Question 25

amount of the DESIRED PRODUCT obtained given a certain amount of the reactants.

Answer 25

YIELD

Question 26

the EXPECTED AMOUNT YIELD of product.

Answer 26

THEORETICAL

Question 27

the ACTUAL AMOUNT of YIELD product gathered/produced

Answer 27

ACTUAL

Question 28

RATIO of THEORETICAL YIELD and ACTUAL YIELD.

Answer 28

PERCENT YIELD

Question 29

Lesser amount of product

Answer 29

LIMITING

Question 30

Higher amount of product

Answer 30

EXCESS