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An overview of the experimental method in determining vapour pressure along with the parameters that would be measured to determine molar mass of solute by Raoults Law, an interactive worked example and a quiz with worked solutions
Launch Raoult's Law
Simultaneous Equations in Chemistry
This interactive presentation shows how simultaneous equations can be used in a variety of chemistry applications. Along with context-based examples there is an overview of how to solve linear simultaneous equations and a quiz at the end for you to check your understanding
An interactive test to determine your skills in expanding brackets
Launch Brackets - Diagnostic Test
Simultaneous Equations for Chemical Analysis
This video shows how simultaneous equations can be used in simple chemical analysis. Two examples are given: mixtures of compounds in UV/vis absorption spectroscopy and gravimetric analysis
Video tutorials exercises and diagnostic tests on the transposition of formulae (rearranging equations).
Launch Transposition of Formulae