Chem 210 Exam 5 Detailed Study
Questions with Verified Answers |
Latest Edition
1. units for orders - ANSWER zero --> mol L-1 s-1
first --> s-1
second --> L mol-1 s-1
third --> L2 mol-2 s-1
2. a catalyst accelerates a reaction because - ANSWER it lowers the amount of
energy to drive the reaction
3. when a catalyst is added to a reaction mixture it... - ANSWER provides an
alternate mechanism for the reaction
4. Kc=Kp when - ANSWER the mol of gas on each side of the equation are
equal
5. equilibrium concentrations and value of equilibrium constant will be
affected by... - ANSWER change in temperature
6. larger pKa value... - ANSWER weaker the acid (the more basic it is)
7. if a strong acid and a strong base mix together, what will the pH of the
solution be? - ANSWER pH= 7
, 8. conjugate acid-base pairs differ by - ANSWER differ by only one proton
(H+)
9. what does an aqueous mixture need to have to make a buffer system -
ANSWER need to have a weak acid and a conjugate base
10.according to arhenius theory, a base is a - ANSWER hydroxide ion donor
11.stronger intermolecular forces effect boiling point by... - ANSWER
increasing the boiling point
12.what will decrease the solubility of gaseous solutes - ANSWER increasing
temperature and decreasing the pressure
13.colligative properties depend on... - ANSWER the number of particles
dissolved
14.delta S univ < 0 at 25*C... is it spontaneous or nonspontaneous - ANSWER
it is nonspontaneous at room temp.
15.equilibrium constant - ANSWER -ratio of forward and reverse rate
constants
-ratio of the concentrations of products and reactants
-dependent upon temperature
16.Kc>Qc what direction will the reaction go to establish equilibrium? -
ANSWER reaction will proceed to the right to establish equilibrium
Questions with Verified Answers |
Latest Edition
1. units for orders - ANSWER zero --> mol L-1 s-1
first --> s-1
second --> L mol-1 s-1
third --> L2 mol-2 s-1
2. a catalyst accelerates a reaction because - ANSWER it lowers the amount of
energy to drive the reaction
3. when a catalyst is added to a reaction mixture it... - ANSWER provides an
alternate mechanism for the reaction
4. Kc=Kp when - ANSWER the mol of gas on each side of the equation are
equal
5. equilibrium concentrations and value of equilibrium constant will be
affected by... - ANSWER change in temperature
6. larger pKa value... - ANSWER weaker the acid (the more basic it is)
7. if a strong acid and a strong base mix together, what will the pH of the
solution be? - ANSWER pH= 7
, 8. conjugate acid-base pairs differ by - ANSWER differ by only one proton
(H+)
9. what does an aqueous mixture need to have to make a buffer system -
ANSWER need to have a weak acid and a conjugate base
10.according to arhenius theory, a base is a - ANSWER hydroxide ion donor
11.stronger intermolecular forces effect boiling point by... - ANSWER
increasing the boiling point
12.what will decrease the solubility of gaseous solutes - ANSWER increasing
temperature and decreasing the pressure
13.colligative properties depend on... - ANSWER the number of particles
dissolved
14.delta S univ < 0 at 25*C... is it spontaneous or nonspontaneous - ANSWER
it is nonspontaneous at room temp.
15.equilibrium constant - ANSWER -ratio of forward and reverse rate
constants
-ratio of the concentrations of products and reactants
-dependent upon temperature
16.Kc>Qc what direction will the reaction go to establish equilibrium? -
ANSWER reaction will proceed to the right to establish equilibrium
