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) ______...

Grade 11 Quizzes

Quiz 1  Explain the difference between accuracy and precision. Name the SI units used in Chemistry and tell me why we use them. Convert 100l to dl. Convert 0.0123mg to kg. What is 0.000123 and 109809.00 in scientific notation? Explain what Kelvin is and convert 15.7...