Chemistry 104 Laboratory

 

 

This Week

Answer Keys

Gen Chem Lab

Periodic Table

 

 

á       Expt 6:  Solubility and Thermodynamics

á       Quiz 4:  Expt 1

 

Next Week

á       Expt 9:  Electric Metal Art, Part I

 

Notes for Today

  • Overall Goals
    • Explore dependence of equilibrium constant on temperature
    • Think about relationships between K, G, H, S and temperature
    • Polish your graphical analysis skills

 

 

  • Main Ideas
    • Measure K for dissolution of KNO3
    • K = f(temperature)

 

 

    • So,          

 

    • van't Hoff Plot

 

 

á       slope is

á       intercept is