AP Chem Review Quiz 1

Which of the following liquids experiences dipole-dipole intermolecular forces?

• O₂(l)

• CCl₄(l)

• SO₃(l)

• CF₂Cl₂

Which of the following best explains why temperature increases cause reaction rates to increase?

• As temperature increases, activation energy increases

• As temperature increases, activation energy decreases

• As temperature increases, collisions between reactant particles increases

• As temperature increases, more collisions between particles have a required amount of energy.

Tags

NGSS.HS-PS1-5

A sample of a solid substance conducts electricity in both the solid and liquid phase. Which of the following types of interactions is most likely found between particles in the substance?

• ionic bonds

• metallic bonds

• covalent bonds

• hydrogen bonds

Tags

NGSS.HS-PS1-3

N₂(g) + 3 H₂(g) ---> 2 NH₃(g) ΔH<0

Gaseous ammonia was synthesized in the presence of a catalyst and allowed to reach equilibrium. Which of the following changes would cause more ammonia to be present in the mixture when equilibrium is reestablished?

• increase the temperature

• increase the container’s volume

• add a chemical that reacts with hydrogen gas

• add hydrogen gas to the container

Tags

NGSS.HS-PS1-5

Which of the following shows the molecules F₂, Cl₂, and Br₂ in order of their bond enthalpies from least to greatest?

• F₂ < Cl₂ < Br₂

• Cl₂ < Br₂ < F₂

• Br₂ < Cl₂ < F₂

• Br₂ < F₂ < Cl₂

Tags

NGSS.HS-PS1-4

Based on Coulomb’s Law and the data in the table above, which of the following would have the weakest interactions with an adjacent water molecule in an aqueous solution?

• Hg²⁺

• Ba²⁺

• Al³⁺

• Mg²⁺

Tags

NGSS.HS-PS1-3

On the basis of the data in the table above, which of the following arranges the bonds in molecules from least to most polar?

• NF₃ < NO₂ < CF₄ < OF₂

• CF₄ < NO₂ < OF₂ < NF₃

• NO₂ < OF₂ < NF₃ < CF₄

• NF₃ < NO₂ < OF₂ < CF₄

Tags

NGSS.HS-PS1-1

For element X, which of the following most likely explains the large difference between the 3^rd and 4^th ionization energies?

• The effective nuclear charge decreases with each successive ionization energy

• The distance between the nucleus and the electron being removed increases with each successive ionization energy

• The electron removed for the 4^th ionization energy has much less energy than the electron removed for the 3^rd ionization energy

• The ionic radius increases with each successive ionization energy

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A student performs an acid base titration. The data are plotted above. Which of the following best describes the type of titration done?

• a strong acid was titrated with a strong base

• a weak acid was titrated with a strong base

• a strong acid was titrated with a weak base

• a weak acid was titrated with a weak base

A student performs an acid base titration. The data are plotted above. Which of the following best describes the type of titration done?

• a strong base was titrated with a strong acid

• a weak base was titrated with a strong acid

• a strong base was titrated with a weak acid

• a weak base was titrated with a weak acid