Kinetics Review

What does [ ] denote?

• concentration, M

• concentration, m

• concentration, mass %

• squared

What two factors govern whether a collision between reacting particles will be effective?

• orientation and potential energy 
• kinetic energy and temperature 
• kinetic energy and orientation 
• potential energy and kinetic energy 

Which of the following is NOT a factor affecting reaction rate?

• temperature
• catalysts
• particle size
• polarity

What letter represents the activation energy?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-4

What does a catalyst do?

• changes the order of the reaction

• lowers the activation energy

• increases the temperature

• makes the activated complex

step 1: O3 -> O₂ + O
step 2: O₃ + O -> 2 O₂
The oxygen atom (O) is considered to be a(n)...

• reactant
• catalyst
• reaction intermediate
• activated complex

Tags

NGSS.HS-PS1-2

Which picture shows how a catalyst would change the rate? 

• Option 3
• Option 2
• Option 1

Tags

NGSS.HS-PS1-5

What would be my the overall order of this rate law? 
Rate=[A]²[B]¹

• 0 Order
• 1st Order
• 2nd Order
• 3rd Order

Tags

NGSS.HS-PS1-5

• 0; 2; 2
• 1; 2; 3
• 1; 2; 2
• 0; 1; 1

Tags

NGSS.HS-PS1-5

Which one of the following is the k value for a first order overall reaction (hint: units)

• k₁= 1.000 M s^-1

• k₁= 5403.2 M^½ s^½

• k₁= 1.23 x 10^-6 M^-1 s^-1

• k₁= 10.7 s^-1