Unit 4

Question 1

class of compounds that have molecules of water associated with them

Answer 1

hydrates

Question 2

compound without water

Answer 2

anhydrous

Question 3

molar mass is

Answer 3

g/mole

Question 4

compound composed of only carbon and hydrogen

Answer 4

hydrocarbon

Question 5

simplest whole number ratio of atoms present in the compound

Answer 5

empirical formula

Question 6

indicates the number of atoms of each element present in the compound

Answer 6

molecular compound

Question 7

used to describe a chemical change and have a standard format

Answer 7

chemical equations

Question 8

the study of the relationship between the amounts of reactants and products

Answer 8

stoichiometry

Question 9

ammonia

Answer 9

NH3

Question 10

amount of a product we should get when we perform our experiment

Answer 10

theoretical yield

Question 11

amount of a pure product we should isolate at the end of our experiment that we could use in further experiments

Answer 11

actual yield

Question 12

actual yield/theoretical yield x 100

Answer 12

percent yield

Question 13

can we have less than 100% yield

Answer 13

no violates law of conservation of matter

Question 14

first reactant that is completely consumed

Answer 14

limiting reactant

Question 15

at the end of the reaction we will have to separate our product from the

Answer 15

excess reactant

Question 16

if it is going from one chemical to another it is a

Answer 16

stoichometry problem

Question 17

all reactants completely consumed

Answer 17

perfect amounts