AP Chemistry Unit 5

What order is this graph?

• Zero

• First

• Second

• Third

Tags

NGSS.HS-PS1-5

What order is this graph?

• Zero

• First

• Second

• Third

Tags

NGSS.HS-PS1-5

If you quadruple the concentration and the rate quadruples, what order is this reaction?

• zero

• first

• second

Tags

NGSS.HS-PS1-5

The particles under the purple curve (middle) have an average Kinetic Energy that is proportional to of 500K

• True

• False

Which step of a reaction mechanism determines the rate?

• the slow step

• the fast step

• the first step

• the second step

Tags

NGSS.HS-PS1-5

What order is the half life of Carbon¹⁴?

• Zero

• First

• Second

Tags

NGSS.HS-PS1-8

What is the unit for the rate constant (k) for 2^nd order reactions?

• s^-1

• M/s

• M^-1s^-1

Tags

NGSS.HS-PS1-5

How does a catalyst speed up a reaction?

• Adding more reactant

• Providing a pathway that has a lower activation energy

• Increasing the activation energy

• Increasing binding energy

___________ are produced in one step and used up in a later step and __________________ are present and unchanged in the reactants and the products

• intermediates, catalysts

• catalysts, intermediates

If a “reaction profile” has a taller ‘hill’ (or activation energy) then the reaction is ____________________?

• Faster

• Slower

Tags

NGSS.HS-PS1-4