Write net equations for each of the reactions below. Use ionic or molecular formulas as appropriate — Descriptive Chemistry Chemistry Question
Problem Context
Write net equations for each of the reactions below. Use ionic or molecular formulas as appropriate and omit formulas for any ions or molecules that do not take part in a reaction. Write structural formulas for all organic substances. You need not balance the equations or specify physical states.
Aqueous silver acetate is mixed with aqueous sodium chromate.
Model Answer
Ag+(aq) + CrO4 2-(aq) Ag2CrO4 (s)
Excess aqueous sodium oxalate is added to an aqueous solution of iron(III) nitrate.
Model Answer
C2O4 2- + Fe 3+(aq) [Fe(C2O4)3] 3-(aq)
Carbon dioxide is bubbled into an aqueous solution of calcium nitrate.
Model Answer
Any of the following are reasonable:
• No reaction
• CO2 (g) + H2O (l) H2CO3 (aq)
• CO2 (g) + H2O (l) H+ (aq) + HCO3– (aq)
* CaCO3 (s) will NOT precipitate in the absence of base.
A solution of bromine in CHCl3 is mixed with a solution of 1-butene in CHCl3.
Uranium-235 is bombarded with a neutron to form one nucleus containing 54 protons and 83 neutrons plus a second nucleus and two neutrons.
Model Answer
92 235 U + 0 1n 54 137 Xe + 2 0 1n + 38 97Sr