* *
* *
**

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. A container contains 0.20 moles of O2 and 0.15 moles of H2. If the temperature of the container is 273 Kelvin, which is true?
The average molecular speeds of the two gases are the same The total masses of the two gases are the same The partial pressures of the two gases are the same The average kinetic energy of the two gases are the same The molecular masses of the two gases are the same

2. An ideal gas fills a balloon at 1 atm and 67oC. By what factor will the volume of the balloon change if the balloon is heated to 339oC?
9/5 5.9 1/4 4/1 3/4

3. 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

4. A volume of an unknown gas is 300 L at STP. What volume will the gas occupy at 0.0 oC and 1000. torr?
209 L 12.3 L 46.3 L 227 L None of the above

5. A gaseous mixture at a constant temperature contains O2, CO2, andHe. Which of the following lists the 3 gases in order of decreasing average molecular speed?
He, CO2, O2 CO2, He, O2 O2, CO2, He CO2, O2, He He, O2, CO2

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:
*