Question 1

If a reaction is third-order with respect to a particular reactant,when the concentration of that reactant is decreased by a factor of 2,the reaction rate will _____.

Accepted Answer

A)   decrease by a factor of  .
B)   remain constant.
C)   increase by a factor of 8.
D)   decrease by a factor of  .
E)   increase by a factor of 4.F) A) and E)
G) A) and D)

Question 2

For the reaction provided,the rate of disappearance of IO3-(aq) at a particular time and concentration is 2.3  ×	imes×  10-3 mol/L·s.
IO3-(aq) + 5I-(aq)  + 6H+(aq)  →	o→  3I2(aq) + 3H2O(l) 
What is the relative rate of appearance of I2(aq) ?

Accepted Answer

A)   7.7  ×	imes× 10-3 mol/L·s
B)   2.3  ×	imes×  10-3 mol/L·s
C)   -6.9 ×	imes×   10-3 mol/L·s
D)   6.9  ×	imes×  10-3 mol/L·s
E)   1.3  ×	imes×  10-3 mol/L·s F) A) and B)
G) C) and D)

Question 3

Given the initial rate data for the reaction A + B  →	o→  C,determine the rate expression for the reaction.

Accepted Answer

A)   
B)   
C)   
D)   
E)    F) B) and C)
G) B) and D)

Question 4

Which of the following is/are expected to affect the rate of a chemical reaction?
1) Addition of a catalyst.
2) Increasing the reaction temperature.
3) Doubling the volume of the reaction container.

Accepted Answer

A)   1 only
B)   2 only
C)   3 only
D)   1 and 2
E)   1,2,and 3F) A) and B)
G) A) and C)

Exam 15: Chemical Kinetics: the Rates of Chemical Reactions

Which of the following is/are expected to affect the rate of a chemical reaction? 1) Addition of a catalyst. 2) Increasing the reaction temperature. 3) Doubling the volume of the reaction container.

Correct Answer
verified

For the reaction provided,the rate of disappearance of IO₃^-(aq) at a particular time and concentration is 2.3 $\times$ 10^-3 mol/L·s. IO₃^-(aq) + 5I^-(aq) + 6H⁺(aq) $\to$ 3I₂(aq) + 3H₂O(l) What is the relative rate of appearance of I₂(aq) ?

Correct Answer
verified

Given the initial rate data for the reaction A + B $\to$ C,determine the rate expression for the reaction. $Given the initial rate data for the reaction A + B \to C,determine the rate expression for the reaction. A) B) C) D) E)$

Correct Answer
verified

If a reaction is third-order with respect to a particular reactant,when the concentration of that reactant is decreased by a factor of 2,the reaction rate will _____.

Correct Answer
verified

Exam 15: Chemical Kinetics: the Rates of Chemical Reactions

Which of the following is/are expected to affect the rate of a chemical reaction? 1) Addition of a catalyst. 2) Increasing the reaction temperature. 3) Doubling the volume of the reaction container.

Correct AnswerverifiedShow Answer

For the reaction provided,the rate of disappearance of IO3-(aq) at a particular time and concentration is 2.3 ×\times× 10-3 mol/L·s. IO3-(aq) + 5I-(aq) + 6H+(aq) →\to→ 3I2(aq) + 3H2O(l) What is the relative rate of appearance of I2(aq) ?

Correct AnswerverifiedShow Answer

Given the initial rate data for the reaction A + B →\to→ C,determine the rate expression for the reaction.

Correct AnswerverifiedShow Answer

If a reaction is third-order with respect to a particular reactant,when the concentration of that reactant is decreased by a factor of 2,the reaction rate will _____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

For the reaction provided,the rate of disappearance of IO₃^-(aq) at a particular time and concentration is 2.3 $\times$ 10^-3 mol/L·s. IO₃^-(aq) + 5I^-(aq) + 6H⁺(aq) $\to$ 3I₂(aq) + 3H₂O(l) What is the relative rate of appearance of I₂(aq) ?

Correct Answer
verified

Given the initial rate data for the reaction A + B $\to$ C,determine the rate expression for the reaction. $Given the initial rate data for the reaction A + B \to C,determine the rate expression for the reaction. A) B) C) D) E)$

Correct Answer
verified

Correct Answer
verified