EXAM 5

Question 1

COEFFICIENTS ARE THE NUMBER OF _____ OF EACH COMPOUND

Answer 1

MOLES

Question 2

LIMITING REACTANT IS WHEN YOU RUN OUT OF AN _____

Answer 2

INGREDIENT(REACTANT)

Question 3

WITH LIMITING REACTANT PROBLEMS HOW DO YOU DO THEM?

EX: 3NH2 + N2 ——-> 2 NH3

15.7g N2 reacts with 7.81g H2. How much NH3 is made?

Answer 3

DO IT ONCE WITH THE N2 AND ONCE WITH THE H2

WHICHEVER ONE IS LESS THAT IS THE LIMITING REACTANT

Question 4

WHAT IS THE PERCENT YIELD EQUATION?

Answer 4

% YIELD = ACTUALLY GOT (g) / THEORETICAL AMOUNT (g) x 100

Question 5

% yield is ______ vs. _________

Answer 5

HOW MUCH YOU GET, HOW MUCH YOU WERE SUPPOSE TO GET

Question 6

WHAT IS PERCENT YIELD?

Answer 6

WHEN YOU DON’T MAKE AS MUCH PRODUCT AS YOU THOUGHT

Question 7

WHAT IS A SOLUTION?

Answer 7

A HOMOGENOUS MIXTURE OF A SOLUTE AND A SOLVENT

Question 8

WHAT IS A SOLUTE?

Answer 8

WHAT IS BEING DISSOLVED

Question 9

WHICH IS ALWAYS THE LESSER AMOUNT, THE SOLUTE OR THE SOLVENT?

Answer 9

SOLUTE

Question 10

WHAT IS A SOLVENT?

Answer 10

WHAT IS DOING THE DISSOLVING

Question 11

WHAT ARE THE DIFFERENT CATEGORIES OF SOLUTIONS?

Answer 11

GAS DISSOLVED IN A GAS, LIQUID DISSOLVED IN A GAS, GAS DISSOLVED IN A LIQUID, LIQUID DISSOLVED IN A LIQUID, SOLID DISSOLVED IN A LIQUID, LIQUID DISSOLVED IN A SOLID, SOLID DISSOLVED IN A SOLID

Question 12

EXAMPLE OF GAS DISSOLVED IN GAS

Answer 12

AIR, 02 IN N2

Question 13

LIQUID DISSOLVED IN A GAS EXAMPLE

Answer 13

FOG (H2O DROPLETS IN AIR)

Question 14

GAS DISSOLVED IN A LIQUID EXAMPLE:

Answer 14

SODA (CO2 IN H2O)

Question 15

LIQUID DISSOLVED IN A LIQUID EXAMPLE

Answer 15

VODKA, ALCOHOL IN WATER, MILK IN COFFEE

Question 16

SOLID DISSOLVED IN A LIQUID EXAMPLE:

Answer 16

SUGAR IN COFFEE

SALT IN WATER

Question 17

LIQUID DISSOLVED IN A SOLID EXAMPLE:

Answer 17

AMALGUM FILLINGS (Hg in Ag) , SILVER FILLINGS

Question 18

SOLID DISSOLVED IN A SOLID EXAMPLE:

Answer 18

ALLOYS

Question 19

FACTORS THAT AFFECT SOLUBILITY

Answer 19

TEMPERATURE

PRESSURE

Question 20

AS TEMP _____ SOLUBILITY _____

Answer 20

INCREASES, DECREASES

Question 21

AS PRESSURE ____ SOLUBILITY _____

Answer 21

INCREASES, INCREASES

Question 22

_____ DISSOLVES ______

Answer 22

LIKE, LIKE

Question 23

POLAR LIKES ______

Answer 23

POLAR

Question 24

WILL WATER AND VINEGAR MIX?

Answer 24

YES

Question 25

WILL WATER AND OIL MIX?

Answer 25

NO

Question 26

WILL VINEGAR AND OIL MIX?

Answer 26

NO

Question 27

WILL GAS AND OIL MIX?

Answer 27

YES

Question 28

WILL PAINT THINNER AND ALCOHOL MIX?

Answer 28

NO

Question 29

WILL SUGAR AND ALCOHOL MIX?

Answer 29

YES POLAR AND POLAR

Question 30

WILL OIL AND GREASE MIX?

Answer 30

YES, NON POLAR AND NON POLAR

Question 31

WILL IODINE AND HEXANE MIX?

Answer 31

YES

NON POLAR W/ NON POLAR

Question 32

WILL SUGAR AND GAS MIX?

Answer 32

NO, POLAR WITH NON POLAR