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Gas pressure and Daltons law of partial pressures

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.
What is the difference between particles in a gas and a solid?
a)
gas particles are closer together
b)
solid particles move faster than gas particles
c)
solid particles expand on heating
d)
gas particles have more kinetic energy than solid particles
2.
In what direction(s) does air exert pressure?
a)
everywhere
b)
no where
c)
there is no pressure
d)
downward
3.
A _____________ is the scientific  instrument used to measure air pressure.
a)
barometer
b)
thermometer
c)
mercury
d)
watch
4.

Dalton's law equation is used to find what?

a)

the density of a pure gas

b)

the total pressure of a pure gas

c)

the total pressure of a gas mixture

d)

the volume of a gas mixture

5.

What is the total pressure of the heliox gas in the diagram?

a)

300 kPa

b)

100 kPa

c)

400 kPa

d)

500 kPa

6.

In a mixture of gases, each gas contributes to the total pressure. The individual contribution of each gas is known as the _________________.

a)

partial volume

b)

partial pressure

c)

molar mass

d)

mole ratio

7.

Which equation represents Dalton's Law?

a)

E = mc2

b)

PV = nRT

c)

P1 / T1 = P2 / T2

d)

Ptotal = P1 + P2 + P3

8.

A mixture of H, Ne, & O has a pressure of 12.4 atm. If Hydrogen measures 5.6 atm and Oxygen measures 2.0 atm, what is the pressure of Neon?

a)

7.6 L

b)

4.8 L

c)

5.4 L

d)

12.0 L

9.

Dalton's Law states that

a)

At a constant temperature, the volume of a confined ideal gas varies inversely with its pressure

b)

The total pressure of a mixture of gases is equal to the sum of the partial pressures of each gas

c)

Gases tend to expand when heated

d)

The density of an ideal gas at constant pressure varies inversely with the absolute temperature of the gas

10.

What is the pressure difference, in cm of water, shown by the manometer?

a)

9

b)

16

c)

20

d)

25