Thursday, February 13, 2014

Chemistry Unit 3 Day 3

Do Now
Objective: Students will diagram and describe spontaneity on posters using the words spontaneous, enthalpy, entropy, exothermic reactions, endothermic reactions, Gibb's free energy.

Questions
1) What does a negative delta H mean?
2) What is Hess' Law?
3) What makes a spontaneous reaction?

Exit Ticket:
What makes a reaction occur spontaneously?? Use at least 1 word from the green words above. Incorporate the question in your topic sentence.