Chemistry Final

Question 2

what is mmm

Answer 2

mmmm

Question 4

Exothermic Reaction is when energy is

Answer 4

released

Question 5

Endothermic Reaction is when energy is

Answer 5

absorbed/stored

Question 6

What is a london bond

Answer 6

electrons pulling equally

Question 7

what is a dipole bond

Answer 7

electrons pulling unequally

Question 8

what is hydrogen bond

Answer 8

when on of NOF is next to hydrogen

Question 9

Isotopes are when there is a varying amount of ____

Answer 9

neutrons

Question 10

as you go right and down, atoms get ___

Answer 10

heavier

Question 11

as you go up and right on Periodic table _____ increases

Answer 11

electronegativity

Question 12

column 1 of periodic table is

Answer 12

alkali metal family

Question 13

column 2 of periodic table is

Answer 13

alkali earth metal family

Question 14

columns 3-12 on periodic table are

Answer 14

transition metals

Question 15

column 18 on periodic table is

Answer 15

noble gases

Question 16

column 17 on periodic table is

Answer 16

halogens

Question 17

how much does one mole of carbon weigh?

Answer 17

12 grams

Question 18

Metal solids use ____ model

Answer 18

electron sea model

Question 19

Ionic solids are made out of

Answer 19

ionic bonds

Question 20

Atomic solids use ____ bonds

Answer 20

covalent

Question 21

molecular bonds use are made of ____

Answer 21

compounds

Question 22

what is avogadro’s #

Answer 22

6.022 * 10^23

Question 23

percent percent yield =

Answer 23

actual yield / theoretical yield

Question 25

Temperature is measurement of

Answer 25

kinetic energy

Question 26

joules in a cal

Answer 26

4.184

Question 27

specific heat is

Answer 27

amount of energy required to raise 1g of something 1 degree

Question 28

what is resonance

Answer 28

lewis structure can be drawn differently

Question 29

Vapor Pressure?

Answer 29

pressure of atmosphere at equilibrium

Question 30

high vapor pressure = ___ bonds

Answer 30

weak

Question 32

low vapor pressure = ___ bonds

Answer 32

strong

Question 33

Intramolecular forces

Answer 33

holds atoms together

Question 34

intermolecular forces

Answer 34

holds molecules together

Question 35

bond angle for linear molecules

Answer 35

180

Question 36

bond angle for planer molecules

Answer 36

120

Question 37

bond angle for everything else

Answer 37

109.5

Question 38

reactions when receiving “start with mols, how many mols do you end with”

Answer 38

(mol)(mol ratio)

Question 39

reaction when receiving “grams decomposed, how many grams formed?”

Answer 39

(grams)(mol)(mol ratio)(grams)