The document appears to be a collection of links and resources on various chemistry topics including the periodic table, Mendeleev, energy, and the first law of thermodynamics. Websites, videos, worksheets and chapter materials are referenced from various sources providing information on these subjects for educational purposes.

1. Aroundseptember25th
Who wasMendeleev???
Website 1
http://corrosion-doctors.org/Periodic/Periodic-Mendeleev.htm
Website 2
http://www.bbc.co.uk/schools/gcsebitesize/science/edexcel_pre_2011/patterns/periodictablerev4.sht
ml
website 3
http://periodic.lanl.gov/index.shtml

2. Worksheet1
http://www.strasburg.k12.oh.us/docs/building/1/depts/2/blizzard%20bags/k%20burge/physical%20scie
nce%20day%202.pdf?id=628
AroundOctober11th
What isEnergy?
Matter that is in motionhas“KineticEnergy.” Many particlesinrandommotionhave “HeatEnergy.”
Video1
First law of thermodynamics | Chemical Processes | MCAT | Khan
Academy
https://www.youtube.com/watch?v=u4-HYwo0Gsc
Video2
1st law of thermodynamics (experiments)
https://www.youtube.com/watch?v=jNPUCmkKiE4
Chapter 19 Chemical Thermodynamics
www.johnbowne.org/ourpages/auto/2009/3/4/44484966/ch19thermodynamics.ppt

3. Mar 4, 2009 - Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. John D.
Bookstaver ... First Law of Thermodynamics -Energy is conserved-.
Chapter 19 Chemical Thermodynamics - Austin Community College
www.austincc.edu/mohan/documents/Ch19_Outline.pdf
Theodore L. Brown; H. Eugene LeMay, Jr.; and Bruce E. Bursten. John D. Bookstaver ... First
Law of Thermodynamics. • You will recall from Chapter 5 that
Worksheet1
Chapter 19 Worksheet 1
https://www.usna.edu/Users/chemistry/morse/_files/documents/.../keyws18.1.doc
First law of thermodynamics (conservation of energy): The energy of the universe (system +
surroundings) is constant. Energy is never created or destroyed in a