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Chemistry Honors – Class 25

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Dates

  • Period A – Monday, March 3rd
  • Periods C, D – Tuesday, March 4th

Lab Recap

  • What values did you find?
  • What challenges did you face?
  • How would you improve the process?

New Material

  • Enthalpy (H)
    • energy content of a substance
    • reactions produce energy changes when going from one form to another
    • Example with Peanut
    • Exothermic vs Endothermic
    • how to express this
  • Examples
    • C2H5OH + 3O2 –> 2CO2 + 3H2O (DH = 1,300 kJ/mole)
    • How many joules of heat released when 100.0 grams burned?
    • What would the DT be for 250 grams of water? in a bomb calorimeter?

Homework

  • Ch. 10 (41, 42, 80, 81)

Information

This entry was posted on March 3, 2014 by in CHAgenda, ChemH.
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