Write net equations for each of the reactions below. Use appropriate ionic and molecular formulas bu — Chemical Reactions / Equations Chemistry Question
Problem Context
Write net equations for each of the reactions below. Use appropriate ionic and molecular formulas but omit formulas for all ions or molecules that do not take part in a reaction. Write structural formulas for all organic substances. You need not balance the equations.
Solutions of sodium sulfate and lead(II) nitrate are mixed.
Model Answer
Pb 2+(aq) + SO4 2-(aq) PbSO4(s)
Aluminum foil is added to concentrated sodium hydroxide solution.
Model Answer
Al(s) + 3 H2O(l) + OH– (aq) Al(OH)4– (aq) + 3/2 H2(g)
Mercury(II) oxide is heated.
Model Answer
HgO(s) Hg(l) + 1/2 O2(g)
Sodium is added to 2-butanol.
Model Answer
Na(s) +
Nitrosyl fluoride and boron trifluoride vapors are co-condensed.
Model Answer
NOF(g) + BF3(g) [NO][BF4](s)
Fluorine-18 emits a positron.
Model Answer
18 F 18 O + +