CHEM 116 ASU FINAL REVIEW EXAM
(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
which of the following has the highest buffer capacity, aka the best buffer?
a- .10 M substance/.10 M of substance
b- .50 M substance/.10 M of substance
c- .10 M substance/.50 M of substance
d- .50 M substance/.50 M of substance - ANSWERS-d- .50 M substance/.50 M
of substance
which of the following substances has the best solubility in water?
a- PbI2, Ksp=7.9x10^9
b-Baf2, Ksp=1.5x10^6
c-CaOH2, Ksp=6.5x10^6
d- zn(io3)2 Ksp=3.9x10^6
, e- Ag2SO4 Ksp=1.5x10^-5 - ANSWERS-e- Ag2SO4 Ksp=1.5x10^-5
graph of a weak base and weak acid titration - ANSWERS-there isnt one
the end point of a titration is defined as when the indicator changes colour?
true or false? - ANSWERS-true
when a skydiver falls through the air, it is
spontaneous or non-spontaneous? - ANSWERS-spontaneous
which of the following is true for a system at equilibrium? - ANSWERS-delta s
of the system equals negative delta s for the surroundings
for an exothermic reaction carried out at any temperatures with increasing
entropy the reaction is going to be
spontaneous or non-spontaneous? - ANSWERS-spontaneous
for an endothermic reaction carried out at low temperatures with increasing
entropy the reaction is going to be
spontaneous or non-spontaneous? - ANSWERS-non-spontaneous
At 500 degrees celsius, the equillibrium constant Kp is 4.00x10^-4 for:
(ACTUAL EXAM) WITH CORRECT ACTUAL
QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2025 – 2026
which of the following has the highest buffer capacity, aka the best buffer?
a- .10 M substance/.10 M of substance
b- .50 M substance/.10 M of substance
c- .10 M substance/.50 M of substance
d- .50 M substance/.50 M of substance - ANSWERS-d- .50 M substance/.50 M
of substance
which of the following substances has the best solubility in water?
a- PbI2, Ksp=7.9x10^9
b-Baf2, Ksp=1.5x10^6
c-CaOH2, Ksp=6.5x10^6
d- zn(io3)2 Ksp=3.9x10^6
, e- Ag2SO4 Ksp=1.5x10^-5 - ANSWERS-e- Ag2SO4 Ksp=1.5x10^-5
graph of a weak base and weak acid titration - ANSWERS-there isnt one
the end point of a titration is defined as when the indicator changes colour?
true or false? - ANSWERS-true
when a skydiver falls through the air, it is
spontaneous or non-spontaneous? - ANSWERS-spontaneous
which of the following is true for a system at equilibrium? - ANSWERS-delta s
of the system equals negative delta s for the surroundings
for an exothermic reaction carried out at any temperatures with increasing
entropy the reaction is going to be
spontaneous or non-spontaneous? - ANSWERS-spontaneous
for an endothermic reaction carried out at low temperatures with increasing
entropy the reaction is going to be
spontaneous or non-spontaneous? - ANSWERS-non-spontaneous
At 500 degrees celsius, the equillibrium constant Kp is 4.00x10^-4 for:
