Chem 116 ASU Final Exam Review
Questions & Correct Verified Answers
how long will it take for the reaction to drop to .25M? - ✔✔440 s
rate constant: 6.00x10^-3 M^-1s^-1
for this reaction, decreasing the concentration of the reaction will affect the rate of the reaction as:
a- increasing at a rate of 9
b- decreasing by a rate factor of 3
c- increasing at a rate factor of 16
d- decreasing by a rate factor of 9
e- increasing by a rate factor of 4 - ✔✔d- decreasing by a rate factor of 9
if there are 9 particles of reactant A and 4 particles of reaction B, how many collisions are possible? -
✔✔36 collisions
which of the following statements about equilibrium is true?
1. concentrations of reactants and products are equal
2. Q=K
3. rates of forward and reverse reactions are equal
, a- 1 and 2
b- 1 and 3
c- 2 and 3
d- 1 2 and 3 - ✔✔c- 2 and 3
archaeologists can determine the age of the artifacts by measuring a number of radioactive isotope C-14
present in the object. the amount of isotope decreases in a first order process. the half life is 5,730
years. If the reaction starts with 100% and then only 13.7 of the original amount remains, answer the
following:
the rate constant is? - ✔✔1.209x10^-4
archaeologists can determine the age of the artifacts by measuring a number of radioactive isotope C-14
present in the object. the amount of isotope decreases in a first order process. the half life is 5,730
years. If the reaction starts with 100% and then only 13.7 of the original amount remains, answer the
following:
how long does it take for this decay process when the rate constant is 1.209x10^-4? -
✔✔1.64x10^4 years
for the same reaction, Kc and Kp will always equal one another when
a- all of the reactants and products are gasses
b- in the reaction equation, the number of moles of gas products equals the moles of gas reactants
c- in the reaction, the number of gas products id greater than the number of moles of gas reactants
d- the total number of moles of reactant of the two equilibrium constants equals that of the products -
✔✔b- in the reaction equation, the number of moles of gas products equals the moles of gas
reactants
Kp= 4.48x10^13 at 308 K, what is the value of Kc?
2NO(g) + O2 (g) <---> 2NO2 (g) - ✔✔1.13x10^11
Questions & Correct Verified Answers
how long will it take for the reaction to drop to .25M? - ✔✔440 s
rate constant: 6.00x10^-3 M^-1s^-1
for this reaction, decreasing the concentration of the reaction will affect the rate of the reaction as:
a- increasing at a rate of 9
b- decreasing by a rate factor of 3
c- increasing at a rate factor of 16
d- decreasing by a rate factor of 9
e- increasing by a rate factor of 4 - ✔✔d- decreasing by a rate factor of 9
if there are 9 particles of reactant A and 4 particles of reaction B, how many collisions are possible? -
✔✔36 collisions
which of the following statements about equilibrium is true?
1. concentrations of reactants and products are equal
2. Q=K
3. rates of forward and reverse reactions are equal
, a- 1 and 2
b- 1 and 3
c- 2 and 3
d- 1 2 and 3 - ✔✔c- 2 and 3
archaeologists can determine the age of the artifacts by measuring a number of radioactive isotope C-14
present in the object. the amount of isotope decreases in a first order process. the half life is 5,730
years. If the reaction starts with 100% and then only 13.7 of the original amount remains, answer the
following:
the rate constant is? - ✔✔1.209x10^-4
archaeologists can determine the age of the artifacts by measuring a number of radioactive isotope C-14
present in the object. the amount of isotope decreases in a first order process. the half life is 5,730
years. If the reaction starts with 100% and then only 13.7 of the original amount remains, answer the
following:
how long does it take for this decay process when the rate constant is 1.209x10^-4? -
✔✔1.64x10^4 years
for the same reaction, Kc and Kp will always equal one another when
a- all of the reactants and products are gasses
b- in the reaction equation, the number of moles of gas products equals the moles of gas reactants
c- in the reaction, the number of gas products id greater than the number of moles of gas reactants
d- the total number of moles of reactant of the two equilibrium constants equals that of the products -
✔✔b- in the reaction equation, the number of moles of gas products equals the moles of gas
reactants
Kp= 4.48x10^13 at 308 K, what is the value of Kc?
2NO(g) + O2 (g) <---> 2NO2 (g) - ✔✔1.13x10^11
