Physical Chemistry Answers

Electrical resistance is measured in?
A)hertz
B)rest
C)joule
D)ohms

Which of the following measurement describes the pressure of a gas?
A)315 k
B)1.2 g/l
C)725 mm hg
D)2.5 l

The proces of separating a pure solid from a solution is known as?
A)distillation
B)sublimation
C)fractionation
D)crystallization

Electrical resistance is measured in?
A)hertz
B)rest
C)joule
D)ohms

Which of the following measurement describe the pressure of a gas?
A)315 k
B)1.2 g/l
C)725 mm Hg
D)2.5 L

For a gas,which pair of variable are inversely proportional to each other (if all other conditions remain constant)?
A)P, T
B)P, V
C)V, T
D)n, V

According to the kinetic theory of gases,a gas can be compressed much more than a liquid or solid because?
A)a gas is composed of very small particles
B)the particles of a gas are very far apart
C)gas particles move rapidly
D)gas particles do not attract or repel one another

An ideal gas is contain in a volume V at temperature T. If the volume is doubled at constant pressure, temperature will be?
A)unaffected
B)doubled
C)halved
D)none of the above

An ideal gas differ from a real gas in that the molecules of an ideal gas?
A)have no attraction for one another
B)have an average molecular mass
C)have a molecular weight of zero
D)have no kinetic energy

Which of These is correct?
A)0.35kg
B)0.35 KG
C)0.35 kg
D)0.35KG