III. Review: Pronouns

The chemical equation that would generate the equilibrium expression  is ________. (Assume all substances are gases in this reaction.)

Gas density can be calculated by dividing the mass of gas by its volume. If you took a balloon of gas and then warmed the balloon in a sunny window, what can now be said about the density of the gas in the balloon?

How many mL of 0.755 M sulfuric acid solution is needed to react with 55.0 mL of 2.50 M KOH solution? Use the given balanced reaction: 2 KOH (aq) + H2SO4 (aq) → 2 H2O (l) + K2SO4 (aq)

Which is used as a treatment for acetaminophen toxicity and is also a mucolytic agent (respiratory).

What is the equilibrium expression for the reaction Cu2S(s) ⇌ 2 Cu+(aq) + S2-(aq) ?

A neutralization reaction between an unknown acid and sodium hydroxide formed water and sodium sulfate. What was the formula of the acid that was neutralized?

A Geiger-Muller counter detects radioactivity by:

If an object has 6.25% of the C-14 activity, with a half-life of 5730 years, as a living organism, the age of the item is:

Consider the following endothermic equilibrium reaction: Fe2O3 (s) + 3 H2 (g) ⇌ 2 Fe (s) + 3 H2O (g)Which of the following actions will result in a shift to the left (towards reactants)?