«First  < Prev  1  2  3  4 5  6  7  8  Next > Last >>

Gas law homework problems
POSTED: 23/02/2017 at 5:25pm  BY: Cristina Welch Comments (0) Comment on Post

Boyles 1: 157.98 mL, 2: 0.494 atm, 3: 116.56 mL

Charles 4: 3.21 L, 5: 332 degrees celsius, 6: 2.58 L, 7: 192.5 K

Gay-lussac 8: 1.96 atm, 9: 135.41 K, 10: 273 degrees celsius (if the temperature doubles, the pressure doubles)

Ideal 26: -266.09 degrees celsius, 27: 7.81 L, 28: 5.14 atm, 29: 0.007 moles, 30: 12 L (doubling TWO variables that are directly proportional to volume with quadruple the volume)


CP Homework 2/15
POSTED: 15/02/2017 at 9:56am  BY: Cristina Welch Comments (0) Comment on Post

Record thermochemistry notes on metals.  Powerpoint is found under the "files" section.  Record information from slides 1-15.


Thermochemistry Powerpoint
POSTED: 08/02/2017 at 12:43pm  BY: Cristina Welch Comments (0) Comment on Post

The thermochemistry powerpoint has been uploaded under the "files" section.


Honors: History of metals questions
POSTED: 07/02/2017 at 10:24pm  BY: Cristina Welch Comments (0) Comment on Post

http://www.empirestatemetals.com/base-history.shtml

  1. What were the 7 metals that were known in the ancient world?
  2. What did the bronze age signify?  What was the order in which regions of the world entered the bronze age?
  3. Bronze is composed of what two metals?
  4. Table salt is an ionic compound composed of chlorine and "this" alkali metal:
  5. How is smelting iron different from smelting other metals?
  6. Alchemy was the precursor to modern day chemistry.  Where did alchemy begin, and what were alchemists primarily trying to create?
  7. The industrial revolution revolved around the production of which alloy?
  8. In what two ways did coke improve the steel making process?
  9. How did Henry Bessemer improve the steel making process?
  10. Challenge: Nickel and zinc gained significance during the modern era due to their bonding ability with steel.  Draw a diagram that depicts nickel atoms plated on top of interstitial steel (review notes).  Draw a diagram that depicts zinc atoms bonded to steel to form a substitutional/interstitial steel alloy.
  11. In the world of computers and electronics, what four elements have become become more popular due to their ability to conduct electricity well?

CP extra credit assignment
POSTED: 10/12/2016 at 9:07am  BY: Cristina Welch Comments (0) Comment on Post

Please see homework on calendar for Fri 12/9



«First  < Prev  1  2  3  4 5  6  7  8  Next > Last >>




Back to top