Tuesday, December 17, 2013

Physical Science Unit 4 Day 6

Day Starter
Objective: Students will review and draw conclusions about gas laws and thermodynamics on unit 4 review sheet and CST.


Questions (REVIEW!!!)
1)
Which is warmest? Explain.
  • A. 5 K
  • B. 5°F
  • C. 5°C
  • D. 0 K
2) The specific heat of water is 4,186 J/(kg·°C). How much heat does it take to raise 2 kg of water 1°C?

3) 
Which of the following reactions have more entropy in the reactants than the products?

Check all that apply.
  • A. 2H2(g) + O2(g 2H2O(l)
  • B. 2C2H6(g) + 5O2(g) 2CO2(g) + 6H2O(l)
  • C. SiO2(s Si(s) + O2(g)
  • D. 2MgO(s 2Mg(s) + O2(g)