AP Chemistry Thou Shall Not

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

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

• True

• False

Tags

NGSS.HS-PS1-5

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

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

What is the rate law for the reaction with this slow elementary step? A + A --> B + B

• rate = k[A]²

• rate = k[B]²

• rate = k[A][B]

• rate = k[A]

Tags

NGSS.HS-PS1-5

Which curve represents the most particles in this Maxwell-Boltzmann curve (# of particles vs. speed)?

• Black (peak on the left)

• Red (peak in the middle)

• Blue (peak on the right)

• They all have the same number of particles

Which of the following is a common mistake in balancing chemical equations?

• Changing the subscripts of compounds

• Adding coefficients to balance atoms

• Using fractional coefficients

• Balancing polyatomic ions as a whole

Tags

NGSS.HS-PS1-7

What is the primary reason for using a fume hood in a chemistry lab?

• To prevent contamination of samples

• To protect against chemical spills

• To minimize exposure to toxic fumes

• To maintain a sterile environment