1140 Exam 1

Question 1

molality

Answer 1

mol solute/kg solvent

Question 1

molarity

Answer 1

mol solute/ liters solution

Question 2

mole fraction

Answer 2

mol solute/mol solution

Question 3

mass percentage

Answer 3

mass solute/mass solution x 100

Question 4

first order k units

Answer 4

1/s

Question 5

zero order k units

Answer 5

M/s

Question 6

second order k units

Answer 6

1/M x s

Question 7

adding solute _______ vapor pressure

Answer 7

lowers

Question 8

phases used in equilibrium equation

Answer 8

gas and aqueous

Question 9

If Qc is greater than Kc, the reaction moves to the

Answer 9

left

Question 10

If Qc is less than Kc, the reaction moves to the

Answer 10

right

Question 11

increased concentration of reactants means the reactions shifts to the

Answer 11

right

Question 12

increased concentration of products means the reaction shifts to the

Answer 12

left

Question 13

increased pressure means the reaction shifts to the side with

Answer 13

fewer moles

Question 14

for an endothermic rxn, an increase in temp means the rxn shifts to the

Answer 14

right

Question 15

for an exothermic rxn, an increase in heat means the rxn shifts to the

Answer 15

left

Question 16

integrated rate law for first order reaction

Answer 16

the one with ln

Question 17

integrated rate law for second order reaction

Answer 17

the one with 1/A

Question 18

integrated rate law for zero order reaction

Answer 18

looks like linear format y = mx +b