* *
* *
**

neopages network:homeinfoforumscontact
learnchem.net

*
*
navigation:
*
 home *
*
news
about us
contact us
search site
*
 tutorials *
*
index
submit tutorial
request tutorial
*
 organic chemistry *
*
index
important tables
reactions
*
 practice tests *
*
index
submit practice tests
request practice tests
*
 online quizzes *
*
index
chemistry olympiad test questions
submit quizzes
request quizzes
*
 reference tools *
*
constants
formulas
glossary
periodic table
si units/conversions
thermodynamic data
*

1. Calculate the mole fraction of gas A, which has a pressure of 110. torr, in the air, which has a pressure of 800. torr.
0.138 0.427 0.121 4.23 13.8

2. The temperature of an ideal gas in a 5.0 L container was raised in temperature from 20.oC to 80.oC. If the initial pressure of the gas was 1200 mmHg, what was the final pressure of the gas?
1100 mmHg 1200 mmHg 1300 mmHg 1400 mmHg 1500 mmHg

3. A 5.0 L flask contains 0.50 grams of Fl2 at 27oC. What is the pressure in the flask?
1 atm 0.0058 atm 0.065 atm 2.46 atm 4.0 atm

4. In a certain container, you have 0.2 moles O2 and 0.3 moles N2. What is the partial pressure of the oxygen at STP?
0.2 atm 0.3 atm 0.4 atm 0.5 atm 0.6 atm

5. Body temperature is around 308oK. What volume of air at 298oK must a person with a lung capacity of 2.5 L breath in to fill the lungs?
2.58 L 0.00811 L 2.42 L 4.26 L None of the above

Name:
E-mail:


Last 15 Challengers
*

news | about us | contact us
tutorials index | organic chemistry | practice tests | online quizzes | reference tools
site copyright (c) 2002 to neopages.com

*
*
newsletter:
newsletter
*
*
*
neopages network:
*
network news:
*