Ap Exam

Question 1

Dipole dipole forces

Answer 1

Intermediate in strength, allows 2 polar molecules to be attracted to each other
(Negative to positive)

Question 2

Ionic solid

Answer 2

Cations and anions held together via crystal lattice structure

Question 3

What run does a galvanic cell favor

Answer 3

Thermodynamically favored runs

Question 4

Anode

Answer 4

Where oxidation occurs, produces electrons

Question 5

Cathode

Answer 5

Where reduction occurs, gains electrons

Question 6

What is required for electrolytic cells to occur under unfavorable rxns

Answer 6

Negative E and Positive delta G

Question 7

When is a reaction 0th order

Answer 7

When rate or rxn is independent of the concentration of the reactants

Question 8

Elementary reactions

Answer 8

Rxn with a single step

Question 9

Radioactive decay is usually what order reaction

Answer 9

1st order

Question 10

Measurements required for determining molarheat of a solution

Answer 10

Final temp on a solution
Initial temp of water
Mass of water (measured with a balance)
Mass of urea(original substance)

Question 11

What makes delta S positive

Answer 11

When there is an increase in disorder

Question 12

What affect on the rate does adding an inert gas do , such as N2 or a noble gas

Answer 12

It has no effect

Question 13

What does entropy mean

Answer 13

Delta s