Thursday, May 5, 2016

Chemistry Unit 3 Day 5

Learning Objective: Students will learn about heat transfer during chemical reactions by conducting a lab and will analyze and interpret their data in writing using technical vocabulary (endothermic reactions, energy transfer, heat transfer, thermodynamics, reactants, products) and science ideas (processes, cause and effect)

Questions:

  1. What does it take to make a spontaneous reaction? Be specific!
  2. What are some examples of ways humans use exothermic reactions to produce energy?
  3. How is enthalpy related to the spontaneity of a reaction?

Link for Lab TST: https://www.youtube.com/watch?v=jo2DEOWopU8

Answer choices for number 3:

  • A. H > 0 contributes to spontaneity.
  • B. H < 0 contributes to spontaneity.
  • C. H = 0 contributes to spontaneity.
  • D. H does not affect spontaneity.
Exit Ticket for Day 3:
  • Choose one of your classmates thoughts written on the white board.
  • Answer the following questions about the statement you chose:
    • Describe what your classmate was trying to say. (In other words,...)
    • What do you think about what he/she said?