AP Chemistry

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

Tags

NGSS.HS-PS1-5

Which one of the following is a first order, overall reaction

• 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

• A. is most exothermic
• B. is most exothermic
• C. is most exothermic
• D. is most exothermic

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

Consider the following rate law: Rate = k[A]ⁿ[B]^m
How are the exponents n and m determined?

• by using balanced chemical equation
• By using the subscripts for the formulas
• By educated guess
• By experiment 

• A. has largest E_a
• B. has largest E_a
• C. has largest E_a
• E. has largest E_a

Tags

NGSS.HS-PS1-4

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

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

• A. is the slowest reaction
• B. is the slowest reaction
• C. is the slowest reaction
• E. is the slowest reaction

Tags

NGSS.HS-PS1-4

NGSS.HS-PS1-5

For 2A + B → 2C, the rate of production of C has been found to be 12 M/s. During that reaction, the rate of reaction was?

• 12 M/s
• 24 M/s
• 6 M/s
• Cannot tell without more data

• A. is the fastest reaction
• B. is the fastest reaction
• C. is the fastest reaction
• E. is the fastest reaction

Tags

NGSS.HS-PS1-5

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