Lesson 9

Enthalpy Calculations

Learning Intention: Process how to do enthalpy calculations.

Success Criteria 

16. I can calculate energy changes using ΔrH, reaction stoichiometry, and bond enthalpy. 

a. Grams to energy 

b. Energy to grams 

c. Energy to volume (concentration)

Learning Tasks

CCl3F (l) --> CCl3F (g)  ΔH = + 25.2 kJ mol-1

Draw an labelled energy diagram for the evaporation of freon-11, showing reactants, products, and change in enthalpy. 

This lesson took place on Friday, September 20th, 2024, Term 3 Week 9 and Monday, September 23rd, 2024, Term 3 Week 10. The latter is when this page was last update.d

Teacher Notes