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Tubbs 1st Semester Chem Review

Total questions: 55

Worksheet time: 49mins

Name
Class
Date
1.
Water freezes at?
a)
0 K
b)
0 degrees C
c)
100 degrees C
d)
Fare IN  height
2.
During a phase change temperature....
a)
increases
b)
is unchanged
c)
decreases
d)
Increases or decreases
3.

Q=Hc*ΔT*g is the formula to use when there is a

a)

object that is melting

b)

a difference in temperature

c)

Object that is freezing

d)

A gas at room temperature

4.
The heat of fusion is
a)
334 J/g
b)
334 J
c)
2260 J/g
d)
2260 J
5.
The heat of vaporization is
a)
334 J
b)
334 J/g
c)
2260 J
d)
2260 J/g
6.
The amount of energy it takes to raise on gram of a substance by 1 degree is known as?
a)
A Joule
b)
specific heat
c)
Heat of fusion 
d)
Thermal Energy 
7.
A process that absorbs heat is an _______ process
a)
Endothermic
b)
Exothermic 
c)
Polythermic 
d)
Ectothermic 
8.
A process that releases heat is an _____ process
a)
endothermic
b)
exothermic
c)
polythermic
d)
ectothermic
9.
100 Degress C is known as the_____
a)
Freezing point
b)
melting point
c)
boiling point
d)
Heat of Fusion 
10.

What units are used to measure heat?

a)

Kelvin

b)

Celsius

c)

J/g

d)

Joules

11.

The greek letter Δ stands for

a)

"heat stored in"

b)

"mass of"

c)

"rate of"

d)

"change in"

12.

Which of the following is a measure of the average kinetic energy of the particles in a sample of matter?

a)

Temperature

b)

Thermochemistry

c)

Chemical Kinetics

d)

Reaction Rate

13.

What state of matter is water in part E

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

14.

What state of matter is part A

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

15.

What is occurring in part D

a)

Melting

b)

Freezing

c)

Evaporating

d)

Condensing

16.
What happens to the average kinetic energy of matter when it is heated?
a)
It increases
b)
It decreases 
c)
It doesn't change
d)
It cannot be determined
17.
When the temperature of matter increases the particles...
a)
speed up and move closer
b)
speed up and move farther apart
c)
slow down and move closer together
d)
slow down and move farther apart
18.
Gas molecules can easily be compressed  because ___________. 
a)
gas molecules are soft
b)
gas molecules are far apart
c)
gas molecules follow the shape of the container
19.
The energy of an object as it is in motion is defined as
a)
Kinetic Theory
b)
Kinetic energy
c)
Potential energy
d)
Electric energy
20.
Pressure is caused by ______.
a)
gravity.
b)
gas molecules colliding with each other.
c)
gas molecules colliding with surfaces of the container.
d)
gas molecules reacting with each other.
21.
The higher the average kinetic energy the __________________ 
a)
the higher the volume
b)
the higher the mass
c)
the higher the temperature
d)
the higher the density
22.
How do gas molecules move? 
a)
in an orderly fashion 
b)
constantly and randomly
c)
in straight line paths
d)
in a circular motion
23.
The main idea of the Kinetic Molecular Theory is that all molecules have 
a)
mass
b)
motion/movement
c)
volume
d)
moles
24.
Which container will have lower pressure?
a)
left
b)
right
c)
they both have the same pressure
25.
Which of the following would increase the (gas) pressure of a system? 
a)
Increase the Temperature 
b)
Decrease the volume 
c)
Pump in more gas 
d)
All of these
26.
If you increase the pressure of a constant volume of gas, what will happen to the temperature?
a)
Increase
b)
Decrease
c)
Stay the same
d)
It will Blow Up
27.

How does the spacing of particles change as it goes from a solid to a liquid?

a)

Particles grow larger

b)

Particles grow smaller

c)

Particles get closer together

d)

Particles stay pretty much the same

28.
What state of matter is shown in the particle diagram?
a)
Solid
b)
Liquid
c)
Gas
d)
Doo doo
29.
What will happen to the volume of a gas under constant temperature if the pressure increases?
a)
Increase
b)
Decrease
c)
Nothing
d)
Explosion!
30.
Gases have...
a)
A definite shape and volume
b)
A definite shape but no definite volume
c)
No definite shape but a definite volume
d)
No definite shape or volume
31.
Which of the following would increase the (gas) pressure of a system?
a)
Increase the Temperature
b)
Pump in more gas
c)
Decrease the volume
d)
All of these
32.
What is 0.00 degrees Kelvin known as
a)
No such thing
b)
Very cold
c)
Freezing point of Water
d)
Absolute Zero
33.
What about gasses can be measured?
a)
Pressure and Volume
b)
Temperature, Volume, and Pressure
c)
Volume and Temperature
d)
Pressure, Temperature, Volume, and Moles
34.
How do you convert Celsius to Kelvin?
a)
Add 273
b)
Subtract 273
c)
You can't convert those
d)
They are the same thing
35.

What would be the new volume if 250 cm3 of gas at 25˚C and 730 mm pressure were changed to standard conditions of temperature and pressure?

a)

284 cm3

b)

280 cm3

c)

219 cm3

d)

220 cm3

36.

The volume of a gas is 5.0 L when the temperature is 5.0°C. If the temperature is increased to 10.0°C without changing the pressure, what is the new volume?

a)

2.5 L

b)

4.8 L

c)

5.1 L

d)

10.0 L

37.

On a cold winter morning when the temperature is –13°C, the air pressure in an automobile tire is 1.5 atm. If the volume does not change, what is the pressure after the tire has warmed to 15°C?

a)

-1.6 atm

b)

1.6 atm

c)

3.0 atm

d)

19.5 atm

38.

The volume of a gas collected when the temperature is 11.0°C and the pressure is 710 mm Hg measures 14.8 mL. What is the calculated volume of the gas at 20.0°C and 740 mm Hg?

a)

7.8 mL

b)

13.7 mL

c)

14.6 mL

d)

15.8 mL

39.

What is density?

a)

How heavy something

b)

How old something is

c)

What something looks like

d)

The amount of stuff crammed into the space is takes up

40.

What is the density of water?

a)

2 g/cm3

b)

1 g/cm3

c)

1.2 g/cm3

d)

0.5 g/cm3

41.

How do you find density

a)

density over mass

b)

volume over mass

c)

mass over volume

d)

volume over density

42.

True or False? Your mass is different on the moon?

a)

True

b)

False

43.

Water displacement is used to directly measure

a)

Volume

b)

Density

c)

Mass

d)

Weight

44.

From the picture above, what is the volume of the rock

a)

10 cm3

b)

30 cm3

c)

40 cm3

d)

35 cm3

45.

True or False? Your weight changes on the moon?

a)

True

b)

False

46.

What is used to measure mass

a)

Graduated Cylinder

b)

Measuring Cup

c)

An Electronic Balance

d)

A scale

47.

How do you find the volume of a cube?

a)

Length times width

b)

Height times height

c)

Length times width times height

d)

Width times height

48.

True or False? Air does NOT have mass?

a)

True

b)

False

49.

An object's mass is 12g and its volume is 4mL. What is the objects density?

a)

4 g/mL

b)

16 g/mL

c)

3 g/mL

d)

8 g/mL

50.

An object should float in a liquid if...

a)

it is denser than the liquid

b)

it has the same density as the liquid

c)

it is less dense than the liquid

51.

An object has a density of 0.9 g/mL. Will it sink or float in water?

a)

Sink

b)

Float

52.

A piece of sand is very light, but sinks in water because

a)

Sand is a solid

b)

There is more water than sand

c)

Sand is less dense than the water

d)

Sand is denser than water

53.

An object should sink in a liquid if...

a)

it is denser than the liquid

b)

it has the same density as the liquid

c)

it is less dense than the liquid

54.

Aluminum has a density of 2.7 g/mL. How many grams would be in 10 mL of aluminum?

a)

3.7 g

b)

0.27

c)

27g

d)

3.7

55.

Ethanol has a density of 0.789 g/mL. What is the volume of 4.0 g of ethanol?

a)

5.1 g

b)

3.2 mL

c)

3.2 g

d)

5.1 mL

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