Unit 5 AP Chemistry

What experimental conditions will increase the rate of a reaction?

• Decreasing particle size (surface area)

• Decreasing temperature

• Increasing concentration

Tags

NGSS.HS-PS1-5

Given the following general reaction 2A (g) + B (g) --> A₂B (g), which change would increase the rate of the reaction?

• Increasing volume

• Adding a catalyst

• Decreasing temperature

• Removing A

Tags

NGSS.HS-PS1-5

When we increase the surface area of a solid,

• more atoms are exposed

• less atoms are exposed

Given the following rate law, Rate = k[A] [B] [C], What is the order of the reaction with respect to A?

• zero order

• first order

• second order

• third order

Tags

NGSS.HS-PS1-5

Given the following rate law, Rate = k[A] [B] [C], What is overall order of the reaction?

• zero order

• first order

• second order

• third order

Tags

NGSS.HS-PS1-5

Given the following rate law, Rate = k[A] [B] [C], if we doubled the concentration of A, B and C, the rate would go up by a factor of

• 2

• 4

• 8

• 16

Tags

NGSS.HS-PS1-5

If the reaction rate increases by a factor of 4 when the concentration of reactant A is increased by a factor of 2 (assuming any other reactants remain constant), the order of the reaction with respect to reactant A must be

• zero order

• first order

• second order

• fourth order

Tags

NGSS.HS-PS1-5

The rate constant, k, is dependent on...

• Concentration of reactants only

• Temperature only

• Concentration of reactants and temperature

Tags

NGSS.HS-PS1-5

If a graph of concentration versus time is linear, the order of the reaction must be

• zero order

• first order

• second order

If a graph of ln(concentration) versus time is linear, the order of the reaction must be

• zero order

• first order

• second order