Question 1

Which laboratory observation would most support the kinetic theory's assumption that molecules in a gas are widely separated?

Accepted Answer

A)  A gas exerts the same pressure on each part of a container's wall. 
B)  A gas is highly compressible. 
C)  A gas with a lower formula mass diffuses more rapidly than one with a higher formula mass. 
D)  A gas expands when the pressure on it is released. 
A)  A gas exerts the same pressure on each part of a container's wall. 
B)  A gas is highly compressible. 
C)  A gas with a lower formula mass diffuses more rapidly than one with a higher formula mass. 
D)  A gas expands when the pressure on it is released.

Question 2

How much heat is necessary to change 30 g of water at 10°C into water at 80°C?

Accepted Answer

A)  0.21 kcal 
B)  2.1 kcal 
C)  4.5 kcal 
D)  0.51 kcal 
A)  0.21 kcal 
B)  2.1 kcal 
C)  4.5 kcal 
D)  0.51 kcal

Question 3

______________ is the process whereby energetic molecules escape from a liquid.

Accepted Answer

Boiling,or

Question 4

It is 23°F outside.
a. What is the Celsius temperature?
b. If this Fahrenheit temperature were doubled, what would the new Celsius temperature be?

Accepted Answer

The answer of It is 23°F outside.
a. What is the...

Question 5

How much heat is required to melt 3.0 kg of ice at 0°C to water at 0°C?

Accepted Answer

A)  240 kcal 
B)  0 kcal 
C)  1620 kcal 
D)  360 kcal 
A)  240 kcal 
B)  0 kcal 
C)  1620 kcal 
D)  360 kcal

Which laboratory observation would most support the kinetic theory's assumption that molecules in a gas are widely separated?

How much heat is necessary to change 30 g of water at 10°C into water at 80°C?

______________ is the process whereby energetic molecules escape from a liquid.

It is 23°F outside. a. What is the Celsius temperature? b. If this Fahrenheit temperature were doubled, what would the new Celsius temperature be?

How much heat is required to melt 3.0 kg of ice at 0°C to water at 0°C?

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Exam 5: Temperature and Heat

Which laboratory observation would most support the kinetic theory's assumption that molecules in a gas are widely separated?

How much heat is necessary to change 30 g of water at 10°C into water at 80°C?

______________ is the process whereby energetic molecules escape from a liquid.

It is 23°F outside. a. What is the Celsius temperature? b. If this Fahrenheit temperature were doubled, what would the new Celsius temperature be?

How much heat is required to melt 3.0 kg of ice at 0°C to water at 0°C?

Measurement

Motion

Force and Motion

Work and Energy

Waves and Sound

Optics and Wave Effects

Electricity and Magnetism

Atomic Physics

Nuclear Physics

The Chemical Elements

Chemical Bonding

Chemical Reactions

Organic Chemistry

Place and Time

The Solar System

Moons and Small Solar System Bodies

The Universe

The Atmosphere

Atmospheric Effects

Structural G Eology and P Late Tectonics

Minerals, rocks, and Volcanoes

Surface Processes

Geologic Time

Filters