Thermochemistry Review

The number of degrees between the freezing point of water and the boiling point of water on

the Celsius scale is:

0100

180273

0% 0%0%0%

1. 02. 1003. 1804. 273

The smallest change in temperature is represented by:

one Celsius d

egree

one Fahre

nheit degree

one Kelvin

one centigrad

e degree

0% 0%0%0%

1. one Celsius degree2. one Fahrenheit

degree3. one Kelvin4. one centigrade

degree

If the same amount of heat were applied to four samples, which sample would have its temperature raised the most?

c = 0.200 J/

go...

c = 0.450 J/

go...

c = 0.650 J/

go...

c = 2.200 J/

go...

0% 0%0%0%

1. c = 0.200 J/goC2. c = 0.450 J/goC3. c = 0.650 J/goC4. c = 2.200 J/goC

Which of the following tools would be used in an experiment to calculate heat transfer between two objects?

Calorimete

r

Barometer

Thermometer

Meter R

ule

More

than one ...

0% 0% 0%0%0%

1. Calorimeter2. Barometer3. Thermometer4. Meter Rule5. More than one

correct answer

List the phases of water in order, from the phase with the slowest molecular movement to the phase with the fastest molecular movement.

Gas-L

iquid-Solid

Liquid-So

lid-G

as

Solid

-Liquid-G

as

Gas-S

olid-Li

quid

0% 0%0%0%

1. Gas-Liquid-Solid2. Liquid-Solid-Gas3. Solid-Liquid-Gas4. Gas-Solid-Liquid

The temperature at which water changes to steam is known as the:

boiling point.

evapora

tion tempera

ture

.

sublim

ation plateau.

melting p

oint.

0% 0%0%0%

1. boiling point.2. evaporation

temperature.3. sublimation plateau.4. melting point.

When you put ice in a drink to cool it:

coldness

is tra

nsferre

d fr..

heat is tr

ansfe

rred fr

om ...

heat fro

m the ic

e is lo

st t..

.

the ic

e crack

s and re

leas..

0% 0%0%0%

1. coldness is transferred from the ice to the warmer drink.

2. heat is transferred from the warmer drink to the cooler ice.

3. heat from the ice is lost to the warmer liquid around it.

4. the ice cracks and releases cold air molecules that cool off the drink.

The amount of thermal energy or heat stored in an object depends

on:

the m

ass of t

he object.

the te

mperature

of the...

the amount o

f energ

y th..

All of t

he above

0% 0%0%0%

1. the mass of the object.2. the temperature of the

object.3. the amount of energy

that the particular material stores per degree of temperature.

4. All of the above

The quantity of heat required to change the temperature of a substance by 1C is defined

as ____.

a joule

specifi

c heat

a kiloca

lorie

heat capacit

y

25% 25%25%25%1. a joule2. specific heat 3. a kilocalorie4. heat capacity

What is the name of the phase change with snow forms?

Evapora

tion

Freezin

g

Depositi

on

Condensation

Boiling

Melting

17% 17% 17%17%17%17%1. Evaporation2. Freezing3. Deposition4. Condensation5. Boiling6. Melting

What is the name of the phase change with water forms on the bathroom mirror when you shower?

Ente

r answ

er text.

..

100%1. Evaporation2. Freezing3. Deposition4. Condensation5. Boiling6. Melting

When thermal energy flows, it raises the temperature of some substances more than

others. This property of a substance is called:

specifi

c heat.

late

nt heat.

dew point.

equilibriu

m.

0% 0%0%0%

1. specific heat.2. latent heat.3. dew point.4. equilibrium.

If you hold a paper cup containing hot chocolate in your hand, thermal energy:

does not fl

ow.

flows fro

m the air t

o the...

flows fro

m the hot c

hoc...

flows fro

m your hand to

...

0% 0%0%0%

1. does not flow.2. flows from the air to

the hot chocolate.3. flows from the hot

chocolate to your hand.4. flows from your hand

to the hot chocolate.

Which of the following has a melting point greater than room temperature?

oxygen

wate

r iro

n

bromine

0% 0%0%0%

1. oxygen2. water3. iron4. bromine

Which of the following about an ice cube floating in a glass of water is correct?

The tempera

ture

of the i..

The tempera

ture

of the i..

The tempera

ture

of the ...

The tempera

ture

of the i..

0% 0%0%0%

1. The temperature of the ice cube increases.

2. The temperature of the ice cube decreases.

3. The temperature of the ice cube remains constant.

4. The temperature of the ice cube will fluctuate.

The quantity of heat required to change the temperature of 1 g of a substance by 1C is

defined as ____.

a joule

specifi

c heat

a kiloca

lorie

heat capacit

y

25% 25%25%25%1. a joule2. specific heat 3. a kilocalorie4. heat capacity

Which of the following substances has the highest specific heat?

steel

wate

r

alcohol

chloro

form

0% 0%0%0%

1. steel2. water3. alcohol4. chloroform

The amount of heat needed to melt solid at a constant temperature is called ____.

heat of f

usion

heat of s

olidi...

heat of r

eacti...

heat of v

apori...

0% 0%0%0%

1. heat of fusion2. heat of solidification3. heat of reaction4. heat of vaporization

During a phase change, the temperature of a substance ____.

incre

ases

decrease

s

remains c

onstant

may i

ncrease

or decre

ase

0% 0%0%0%

1. increases2. decreases3. remains constant4. may increase or

decrease

Which of the following is equal to 273 Kelvin?

-20 Celsi

us

0 Celsius

273 Celsius

373 Celsius

0% 0%0%0%

1. -20 Celsius2. 0 Celsius3. 273 Celsius4. 373 Celsius

To calculate the amount of heat absorbed as a substance melts, which of the following

information is NOT needed?

the m

ass of t

he substa

nce

the sp

ecific h

eat of t

he ...

the ch

ange in te

mperature

the densit

y of t

he sample

0% 0%0%0%

1. the mass of the substance

2. the specific heat of the substance

3. the change in temperature

4. the density of the sample

At constant pressure, enthalpy will be the same as

Heat

Temperatu

re

Calorimetry

Densit

y

Volume

20% 20% 20%20%20%1. Heat2. Temperature3. Calorimetry4. Density5. Volume

Which of the following could serve as a calorimeter?

Thermometer

Balance

Styro

foam cup

Beaker

Grad

uated cy

li...

20% 20% 20%20%20%1. Thermometer2. Balance3. Styrofoam cup4. Beaker5. Graduated cylinder