Tag: chemistry

Esterification: Equilibrium Constant Determination

Esterification: Equilibrium Constant Determination

Carry out an esterification reaction between ethanoic acid and ethanol. Test the equilibrium position at different temperatures. IB chemistry practical with Kc calculations.

The Winkler Method – Biological Oxygen Demand BOD

The Winkler Method – Biological Oxygen Demand BOD

Winkler method: measure dissolved oxygen in water samples and calculate biological oxygen demand (BOD). IB and A-level redox titration practical with full method.

Group 1 Alkali Metals Reacting with Water: Demonstration

Group 1 Alkali Metals Reacting with Water: Demonstration

Demonstrate Group 1 alkali metal reactions with water using lithium, sodium and potassium. IGCSE and GCSE chemistry practical with observations and safety notes.

Aspirin Synthesis: Esterification Practical

Aspirin Synthesis: Esterification Practical

Synthesise aspirin (acetylsalicylic acid) through esterification of salicylic acid and acetic anhydride. IB and A-level organic chemistry practical with method.

Empirical Formula of Magnesium Oxide: Classic Practical

Empirical Formula of Magnesium Oxide: Classic Practical

Calculate the empirical formula of magnesium oxide from experimental mass data. Classic IB, IGCSE and GCSE chemistry practical with worked molar ratio calculations.