Chem 2/5 Pre-lab  FS/96
Exp. 302  Molar Volume of Oxygen


1.  What precautions should be taken when heating the test tube
containing the sample in this week's experiment?







2.  What does STP stand for, and what numbers are associated with it?






3.  How are we measuring the volume of oxygen we generate in this week's
experiment?





4.  What are the volumes of the following gasses?

a. 0.75 mole of oxygen at STP.




b. 2.5 mole of nitrogen at 45  C and 0.750 torr.




c. 0.3 mole of carbon dioxide at 37  C and 1.23 atm.