Name:     ID: 
 
    Email: 

Miscellaneous Gases

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 1. 

Which gas effuses faster, H2O or CO2?
a.
H2O
c.
not enough information to determine
b.
CO2
d.
what is effusion?
 

 2. 

At STP, 44.8 liters of CO2 contain the same number of molecules as
a.
1.00 mole of He
c.
2.00 moles of Ne
b.
0.500 moles of H2
d.
4.00 moles of N2
 

 3. 

A mixture of four gases exerts a total pressure of 860 mm Hg.  Gases A and B each exert 220 mm Hg.  Gas C exerts 110 mm Hg.  What pressure is exerted by gas D?
a.
530 mm Hg
b.
165 mm Hg
c.
310 mm Hg
d.
860 mm Hg
 

 4. 

As the pressure of a given sample of a gas increases at constant temperature, the mass of the sample
a.
decreases
b.
increases
c.
remains the same
 



 
Submit          Reset Help