Homework Questions
Write the chemical equations for the following reactions. Classify each
reaction into as many categories as possible.
1. The solids aluminum and sulfur react to produce aluminum sulfide
2. Water and dinitrogen pentoxide gas react to produce aqueous hydrogen
nitrate.
3. Heating sodium hydrogen carbonate(s) produces sodium carbonate (aq),
carbon dioxide (g), and water.
Write the balanced chemical equation for the following double- replacement
reactions
4. Aqueous lithium iodide and aqueous silver nitrate react to produce solid
silver iodide and aqueous lithium iodide
5. Aqueous barium chloride and aquoesou potassium carbonate react to produce
solid barium carbonate and aqueous potassium chloride.
Solve the following molar problems
6. Aqueous sodium oxalate and aqueous lead (II) nitrate react to produce solid
lead (II) oxalate and aqueous sodium nitratesodium chloride is decomposed
into the elements sodium and chlorine by means of electrical energy. How
many grams of chlorine gas can be obtained from 2.50 mol NaCl?
7. One is a series of reactions that inflate air bags in automobiles is the
decomposition of sodium azide (NaN3).
2NaN3(s) → 2Na(s) + 3N2(g)
Determine the mass of N2 produced if 100.0g NaN3 is decomposed.
NB: Remember to use state symbols and ensure that all equations
are balanced.