Kinetic Molecular Theory (2) Question Preview (ID: 1527)


Kinetic Molecular Theory Of Gases.

Air, the gas we are most familiar with, consists of
a) a mixture of several different kinds of gases
b) gas particles of only one kind
c) particles of only nonreactive gases
d) a single compound made up of several gases

Which of the following is not a correct value for atmospheric pressure?
a) 760 Torro
b) 760 mmHg
c) 14.7 lbs/square inch
d) 101.3 kPa

Which of the following is not a property of gases?
a) gases are weightless near the surface of the Earth
b) gases can be compressed
c) gases diffuse quickly through other gases
d) gases exert pressure on their containers

Collisions of gas particles in whcih no energy of motion is lost are called
a) perfectly elastic
b) mostly elastic
c) both elastic and inelastic
d) inelastic

The ability of gases to spread rapidly through other gases is explained by
a) constant random motion of particles
b) frequent inelastic collisions of the particles
c) the high density of gases
d) the high temperature of gases

The characteristics (variables) of gases needed to describe a gas completely include all of the following except
a) density
b) pressure
c) temperature
d) volume

The most useful unit for describing the amount of a gas is the
a) mole
b) liter
c) cubic meter
d) atmosphere

An insturment used to measure the pressure exerted by a gas is the
a) manometer
b) anemometer
c) pressometer
d) climometer

What are the standard conditions of temperature and pressure?
a) 0 degrees C and 1 atm pressure
b) 25 degrees C and 1 atm pressure
c) 25 degrees C and 760 Pa pressure
d) 0 degrees C and 760 Pa pressure

If the amount and temperature of a gas are kept constant, the pressure and volume of the gas are
a) inversely proportional
b) also unchanging
c) directly proportional
d) independent of one another

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