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LBS 172
Exam 1 Review Questions
1.
If under certain condition, pressure is equal to 2.7 atm, convert the pressure into units of
mm Hg, torr, kilopascals (kPa), and Pascals (Pa).
2100 mm Hg, 2100 torr, 270 kPa,
2.5 × 10
5
Pa
2.
If V
1
= 700 mL, P
2
= 1.0 atm, V
2
= 1750 mL, what is P
1
equal to?
2.5 atm
3.
Name and state the law relating temperature and volume.
Charles’ Law: (V
1
/T
1
) = (V
2
/T
2
)
4.
Avogadro’s Law, (V
1
/n
1
) = (V
2
/n
2
), relates number of moles and volume.
For this law to
hold true, what conditions must be constant?
Pressure and temperature
5.
What is the volume to 2.0 moles of gas assuming that both temperature and pressure are
standard?
44.828 L
6.
What is the density of H
2
O (g) at 380°C and 720 torr?
0.589 g/L
7.
0.850 g Cl
2
(g) and 0.163 g H
2
(g) are in a 5.0 L vessel at 350°C.
The reaction produces
only HCl.
What is the final pressure in Pascals? In torr?
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 Spring '08
 LaDuca
 Atom, London Dispersion Forces, Pascals, dipoleinduced dipole forces

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