AP Chemistry: Class 20

Period E – Thursday, October 3rd

Recap from Yesterday

• define: internal energy, work, heat, thermal energy, temperature
• explain: conservation of energy, first law of thermodynamics
• equations: work, first law of thermodynamics

Continuing Forward

• Calculating work
• Calculating work using graph
• 1st Law Computational Examples
• Enthalpy

Homework

• Chapter Notes

LAB ANSWER

You cannot determine the identity of the carbonate because the calcium chloride is the limiting reactant in the reaction. Gravimetric analysis only works when the precipitate is tied to the desired limiting reactant.