Grade 11 Chemistry, class exercises.

Five Common Reactions. SYNTHESIS 2H2(g) + O2(g) → CO(g) + O2(g) → 3H2(g) + N2(g) → 2Al(s) + 3O2(g) → Fe + S → 2K(s) + Cl2(g) → 2Na + Cl2 → DECOMPOSITION H2CO3 → Ni2O3 → Ni + Al2O3 →    + 3O2 HCl → H2SO3 →       + SO2 SINGLE DISPLACEMENT Cl2 + KBr → Zn + HCl → K + H2O...

Useful Chemistry equations

Useful Chemistry Equations     % ERROR = Measurement (or average measurement) – Correct (accurate) measurement                  _____________________________________________________________          x 100  Correct (accurate)   DENSITY = Mass (g or kg) ______...