Free Printable Gases

1.

Straws work because sucking, creates a _____ difference between the inside of the straw and the outside of the straw.

a)

force

b)

pressure

c)

size

d)

length

2.

The pressure differential when sucking on a straw.

a)

The pressure outside the straw is less than the inside the straw

b)

There isn't any pressure differential

c)

sucking on a straw has nothing to do with pressure

d)

The pressure outside the straw is greater than inside the straw.

3.

In a perfect vacuum, what is the total height a straw can still be utilized.

a)

3.10 m

b)

3.01 m

c)

10.3 m

d)

1.03 m

4.

Which of the following is a property of gas?

a)

are compressible

b)

assume the shape and volume of their container

c)

have low densities in comparison with liquids and solids

d)

all are properties of gases

5.

Gases are compressible because the atoms or molecules that compose them have _____ between them.

a)

water

b)

space

c)

charges

d)

attraction

6.

Gas pressure is caused by

a)

gas molecules colliding with surfaces

b)

gas molecules condensing to a liquid

c)

gas molecules hitting other gas molecule

d)

barometers

7.

Which of the following is an assumption of the kinetic molecular theory?

a)

collection of particles in constant motion

b)

Have a fix volume and shape

c)

have a fix volume and undetermined shape

d)

freezes at 32 degrees fahrenheit

8.

Variation in pressure in Earth's atmosphere creates _____.

a)

wind

b)

tsunamies

c)

volcanic eruptions

d)

avalanches

9.

Pressure decreases with _____ altitude.

a)

decreasing

b)

increasing

10.

The simplest unit of pressure is . . .

a)

atmosphere (atm)

b)

pascal (Pa)

c)

torr

d)

mm Hg

11.

The Standard International unit for pressure is . . .

a)

atmosphere (atm)

b)

mm Hg

c)

pascal (Pa)

d)

torr

12.

1 atm = ?? pascal (Pa)

a)

760

b)

101,325

c)

14.7

d)

29.92

13.

760 torr = ?? mm Hg

a)

101,325

b)

1

c)

760

d)

29.92

14.

psi is short for . . .

a)

pressure standing inside

b)

pounds per square inch

c)

pressure shortly inverted

d)

pounds straight inside

15.

29.92 in. Hg = ?? torr

a)

101,325

b)

1

c)

14.7

d)

760

16.

Convert .311 atm to mm Hg

a)

760

b)

0.00041

c)

173

d)

236

17.

A high-performance bicycle tire is inflated to a total pressure of 125 psi. What is this pressure in millimeters of mercury?

a)

$1.40\ \cdot\ 10^6$ mm Hg

b)

0.0112 mm Hg

c)

$6.46\cdot10^3$ mm Hg

d)

2.42 mm Hg

18.

Convert a pressure of 173 in. Hg into pounds per square inch (psi).

a)

352 psi

b)

85.0 psi

c)

2.54 psi

d)

$7.61\cdot10^4$ psi

19.

Convert a pressure of 23.8 in. Hg into kilopascals.

a)

$7.22\cdot10^4$ kPa

b)

$7.03\cdot10^{-3}$ kPa

c)

$8.06\cdot10^4$ kPa

d)

80.6 kPa

20.

Convert 18.4 in. Hg to torr.

a)

467 torr

b)

.724 torr

c)

$4.18\cdot10^5$ torr

d)

$8.09\cdot10^{-4}$ torr

Gases - 11.1-11.3

Total questions: 20

Worksheet time: 26mins

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