, or changing temperature) and compared to a reference tube. Use a table to clearly record what you saw. Stress Applied Observed Color Change Direction of Shift Add Darker red-brown Right (toward products) Add KSCNcap K cap S cap C cap N Darker red-brown Right (toward products) Add Na2HPO4cap N a sub 2 cap H cap P cap O sub 4 AgNO3cap A g cap N cap O sub 3 Color fades/becomes yellow Left (toward reactants) Increase Temp (Heat) Color fades Left (exothermic reaction) Decrease Temp (Ice) Darker red-brown Le Chatelier Lab ANSWERS: Fe3+ and FeSCN2+ Equilibrium
To write your lab report for the experiment, you should focus on how external "stresses"—like concentration or temperature—shift the balance between the reactants and the reddish-brown product. FeSCN2 В Equilbrium - LeChatelier's Principle Lab Part 1
Below is a structured template for a formal lab paper based on standard chemistry practices. Title: The Effect of Concentration and Temperature on the Equilibrium Date: [Insert Date] Name: [Your Name] 1. Introduction , or changing temperature) and compared to a reference tube