---

IN CLASS TOPICS:

• Professor Dave Explains Limiting Reagents (4)
• Extra Help:  Introduction to Limiting Reactant and Excess Reactant (17) | Tyler DeWitt 
  
• Limiting Reactant Demonstration | chemistryinaminute
  
  

---

HOMEWORK due January 20, 2021 in class:

• All:  Re-read week 1.11 notes from the "Chemical Energy" section to the end of the notes. 
• All:  Watch and take notes on energy, work, heat, system, internal energy, endothermic and exothermic reactions: Energy & Chemistry: Crash Course Chemistry #17 (8)
• (Not 5th grade) Watch and take notes: Thermochemistry: Heat and Enthalpy | Professor Dave Explains (4)
• (Not 5th grade) Watch and take notes first 3 minutes and 20 seconds ONLY:  Enthalpy of Reaction (8)
  
• All:  Watch first 1 minute, 40 seconds (no notes and don't worry about the formulas):  Calorimetry Concept, Examples and Thermochemistry | How to Pass Chemistry (5)
  

**Remember, you can SLOW DOWN THE SPEED of Hank Green in the YouTube settings**
***Remember, you don't have to UNDERSTAND all of this...it's just the sandpaper, prepping you for learning in class next time.***