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CHEM 223 (CHEM223)

Hunter College - Cuny

Here are the best resources to pass CHEM 223 (CHEM223). Find CHEM 223 (CHEM223) study guides, notes, assignments, and much more.

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CHEM 223 Lab Report 2 - Recrystallization. Hunter College.

  • CHEM 223 Lab Report 2 - Recrystallization. Hunter College.

  • Other • 6 pages • 2020
  • Available in package deal
    • An unknown solid was purified, through recrystallization, in order to determine its identity. The mixed melting point technique was employed to confirm the identity of the pure solid, using given reference samples. All calculations, graphs, tables, and post lab questions are included. Experiment done in lab, before COVID-19.
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CHEM 223 Lab Report 1 - Melting Point. Hunter College.

  • CHEM 223 Lab Report 1 - Melting Point. Hunter College.

  • Other • 4 pages • 2020
  • Available in package deal
    • The melting point of 2 known compounds (​trans​-cinnamic acid & urea) were measured in order to observe changes that occur once they are mixed in a 1:1 ratio. Using similar methods, the melting point of an unknown compound was determined. To confirm the identity of the unknown solid, a 1:1 sample of the unknown and a reference sample. Experiment done in lab, before COVID-19.
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