Monday, 10 July 2017

1.12: Understand How to Use the Calculation of Rf Values to Identify the Components of a Mixture



Rf VALUES: Used to identify the components of mixtures
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  • Rf value of a particular compound is always the same
  • This allows industries to use chromatography to identify compounds in mixtures



EQUATION:
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Rf Value =     Distance Moved by Compound    ÷     Distance Moved by Solvent

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1.2: Understand the Interconversions between the Three States of Matter in Terms of: The Names of the Interconversions, How they are Achieved, the Changes in Arrangement, Movement and Energy of the Particles

INTERCONVERSIONS BETWEEN STATES OF MATTER: Diagram showing the interconversions between the states of matter EXPLANATION: CHANGE EXPLANATION...