III. Pronouns

Exactly 17.0 mL of a H2SO4 solution was required to neutralize 45.0 mL of 0.235 M NaOH. What was the concentration of the H2SO4 solution? The balanced equation is H2SO4 (aq) + 2 NaOH (aq) → 2 H2O (l) + Na2SO4 (aq)

III. Review: Pronouns

What is the equilibrium expression for the reaction S2F6 (g) ⇌ 2SF2 (g) + F2 (g) ?

I. Prepositional Complements

VI. Review: Verbs with Separable Prefixes

I. Perfect Tense

If the Th isotope emits an alpha particle, what would be the atomic number of the resulting atom?

III. The Dative Case

II. Being polite with the Imperative