MolView: free open-source web app for 3D molecular modelling. Visualise molecule structures for Chemistry, Biochemistry and Biology using PubChem and ChemSpider data.
Tag: chemistry
Iron in Iron Tablets: Percentage Composition Practical
Quantitative chemistry: calculate the percentage composition of iron in iron tablets using redox titration with potassium permanganate. IB and IGCSE practical.
Molecular Mass of Butane: Gas Collection Practical
Calculate the molecular mass of butane gas by measuring its volume and mass. IB and A-level chemistry practical using the ideal gas equation with worked examples.
Precipitation Titration: Quantitative Chemistry Practical
Precipitation titration practical for quantitative chemistry. Determine unknown concentrations using precipitation reactions. IB and IGCSE chemistry method.
Acid-Base Titration: Quantitative Chemistry Practical
Acid-base titration practical for quantitative chemistry. Determine unknown acid or base concentrations using standard solutions. IB and IGCSE chemistry method.
TED Periodic Table Videos: All 118 Elements
TED-Ed periodic table videos by the University of Nottingham covering all 118 elements. Includes QR code periodic table for interactive classroom use.