Monday, May 9, 2016

Chemistry Unit 3 CST day

Learning Objective: Students will demonstrate learning about energy transfer on the CST using the words spontaneous, enthalpy, entropy, endothermic reaction, exothermic reaction, activiation energy.


Questions:

  1. What sticks with you most from unit 3?
  2. List 2 things you learned about chemical reactions from unit 3.

Which reaction would cause a decrease in entropy?

Answer Choices for number 3:
 
  • A. 2NH3(g N2(g) + 3H2(g)
  • B. 2NOCl(g 2NO(g) + Cl2(g)
  • C. CO(g) + 3H2(g CH4(g) + H2O(g)
  • D. 2CCl4(g) + O2(g 2COCl2(g) + 2Cl2(g)