Random Vocab Word
centrifuge
a device in which solid or liquid particles of different densities are separated by rotating them in a tube in a horizontal circle; the denser particles sink to the bottom
activity series
bond energy
bond lengths
calculator
clock
common names
conversion factors: energy
conversion factors: length
conversion factors: mass
conversion factors: pressure
conversion factors: temp.
conversion factors: volume
covalent prefixes
density solver
diatomic elements
e-config. chart
electronegativity & bonds
element list
gas law formulas
Ka's of polyprotic acids
Ka's of weak acids
Kb's of weak bases
metric conversion chart
mole conversion chart
molecule shape chart
organic prefixes
periodic table
periodic table (flash)
pH/pOH converter
polyatomic ions
pressure converter
SI units
solubility chart
solubility of salts rules
solubility product constants
stoichiometry chart
temp. conversion
temp. formulas
thermodynamic data
vapor pressure of water
Science News
Hawking: God did not create the universe
Xinhua News Agency
Glitch won't keep GOCE gravity mission down
PhysOrg.com
CERN to start patenting its inventions
Physics Today
The electronic structure of chalcopyrites?bands, point defects an
Progress in Photovoltaics: Research & Applications
Can a 1960s Approach Unify Gravity with the Rest of Physics?
Scientific American
September 7 in chemistry
search history database
1677
-
Stephen Hales born (or Sept. 17): pneumatic trough, collection and study of gases.
1829
-
Friedrich August Kekule von Stradonitz born: ring structure of benzene; tetravalence of carbon; structural theory of organic chemistry.
1917
-
John W. Cornforth born: stereochemistry of enzyme-catalyzed reactions; Nobel Prize, 1975.
sources:
http://webserver.lemoyne.edu/faculty/giunta/week.html
,
ACS Calendar
,
http://todayinsci.tripod.com/
user name
password
Register
Forget password?
456
quizzes
4666
users
393269
quizzes taken
33334
since 9/8/2009
copyright© 2000-2010 -
Tony Petras
-
www.sartep.com
1677 - 
