Tag: AQA GCSE

Winkler Method: Dissolved Oxygen and BOD Titration

Winkler Method: Dissolved Oxygen and BOD Titration

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

Enthalpy: Combustion of Alcohols and Calorimeter Calibration

Enthalpy: Combustion of Alcohols and Calorimeter Calibration

Determine the heat of combustion of alcohols and calibrate a calorimeter. IB and A-level enthalpy practical with heat capacity calculations and error analysis.

Acid-Base Titration: NaOH with Potassium Hydrogen Phthalate

Acid-Base Titration: NaOH with Potassium Hydrogen Phthalate

Acid-base titration: determine NaOH concentration using potassium hydrogen phthalate standard. IB and A-level practical with phenolphthalein and calculations.