Posts by ~anonymous
Total # Posts: 9
Okay, my teacher showed me in class this container. It had a balloon in the shape of a hand attached to the rim of the jar and hanging upside down. There was little drops of water in the jar, and my teacher said this was a good observation. She told me to describe what was ...
May 20, 2010
A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial pressure of each gas in the mixture at STP. How do you calculate the mole fraction of each gas?
May 11, 2010
What is the geometric structure of the water molecule? How many pairs of valence electrons are there on the oxygen atom in the water molecule? I know oxygen has 6 valence electrons (since it is in group 6 on the periodic table), but would it have 8 (4 pairs) since it is ...
April 22, 2010