Chemistry-Study and teaching; Gas chromatography; Mass spectrometry
Experiment involving the isolation, concentration, separation and identification of the volatile components of a foodstuff (via headspace analysis, capillary gas chromatography, and mass spectra measurements).
Chemistry-Study and teaching; Handouts; Stoichiometry; Chemical equilibrium
Introduction. In class we observed that no reaction goes to completion and have discussed qualitatively the consequences of this insight. It is also possible to deal quantitatively with chemical equilibria. The chemist's approach should start with...
Chemistry-Study and teaching; Homework; Chemical reactions
Introduction: Write a balanced, net ionic equation for the reactions that occur when aqueous solutions of the following pairs of reagents are mixed. A reaction does not occur in every case. Once class of reaction is represented in each case.