Kinetics

Reaction rate means...

• amount of product formed
• speed of reaction
• concentration of reacting particles
• combining reactants with products

Tags

NGSS.HS-PS1-5

NGSS.HS-PS1-6

To slow down a chemical reaction you will do one of the following:

• Place the reactants in hot water
• Place the products in ice bath
• Place the reactants in a ice bath
• Keep stirring the reactants with a stirring rod

Tags

NGSS.HS-PS1-5

Which of the following increase the reaction rate?

• less surface area

• lower temperature

• increasing pressure

• increased concentration

Tags

NGSS.HS-PS1-5

A catalyst works by

• changing the order of the reaction
• increasing the temperature
• lowering the activation energy
• making the activated complex

Tags

NGSS.HS-PS1-4

The rate of a chemical reaction is NOT affected by which of the following:

• temperature
• concentration
• particle size (surface area)
• All of these affect reaction rates

Tags

NGSS.HS-PS1-5

A possible rate law for a third overall order of a reaction is __________________

• Rate = k [A]²[B]²
• Rate = k [A][B]³
• Rate = k [A]³ [B]
• Rate = k [A]²[B]

Tags

NGSS.HS-PS1-5

If the concentration of [A] is doubled, and the rate of the reaction also doubles. What reaction order is [A]?

• Zero-order

• First-order

• Second-order

• Triple-order

Tags

NGSS.HS-PS1-5

If we double the concentration of a reactant and the rate quadruples, what rate order is this?

• first order

• second order

• third order

• eighth order

Tags

NGSS.HS-PS1-5

What is the overall rate order of this chemical rate law:

Rate = k

• zero-order

• first-order

• second-order

• third-order

Tags

NGSS.HS-PS1-5

Look at the rate equation: Rate=k[H₂O][HCl]

What is the overall order of the reaction?

• first-order

• second-order

• third-order

• fourth-order

Tags

NGSS.HS-PS1-5