Write net equations for each of the reactions below. Use appropriate ionic and molecular formulas an — Descriptive Chemistry Chemistry Question
Problem Context
Write net equations for each of the reactions below. Use appropriate ionic and molecular formulas and 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.
Sodium peroxide is added to water.
Model Answer
Na2O2 + H2O → 2Na+ + O2H- + OH-
Barium carbonate is treated with sulfuric acid.
Model Answer
BaCO3 + 2H+ + SO42- → BaSO4 + H2O + CO2
Lithium metal is heated in nitrogen gas.
Model Answer
6Li + N2 → 2Li3N
Concentrated hydrochloric acid is added to aqueous sodium hypochlorite.
Model Answer
OCl- + 2H+ + Cl- → Cl2 + H2O
2-methyl-2-propanol is mixed with cold hydrobromic acid.
Model Answer
H3CCOH(CH3)2 + H+ + Br- → H3CCBr(CH3)2 + H2O
Uranium-238 emits an alpha particle followed by a beta particle.
Model Answer
238 92 U → 4 2 He + 234 90 Th → 234 91 Pa + 0 -1 β