FINAL: CH6 Flashcards by Jarrod Walls

Whether one object is warmer than another object has most to do with
A.) molecular kinetic energy
B.) molecular potential energy
C.) heat flow
D.) masses of internal particles

A.) molecular kinetic energy

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The temperature of boiling water is
A.) 100 degrees celcius
B.) 212 degrees Fahrenheit 
C.) both
D.) neither

C.) both

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When you touch a piece of ice with your finger, energy flows
A.) from your finger to the ice
B.) from the ice to your finger
C.) both ways
D.) none of the above

A.) from your finger to the ice

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Substances are composed of tiny particles. Temperature is related mostly to the particles
A.) average translational kinetic energy
B.) total kinetic energy
C.) average thermal energy
D.) movement of energy from particle to particle
E.) none of the above

A.) average translational kinetic energy

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Which is the smallest unit of measurement for temperature?
A.) one Celsius degree
B.) one Kelvin
C.) one Fahrenheit degree
D.) All are the same

C.) one Fahrenheit degree

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Absolute zero corresponds to a temperature of 
A.) 0K
B.) -273 degrees Celsius
C.) both
D.) neither

C.) both

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The lowest temperature possible in nature is
A.) 0 degrees Celsius
B.) -273 degrees Celsius
C.) 4 K

B.) -273 degrees Celsius

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For each degree a volume of air at 0 degrees Celsius is cooled, its volume
A.) shrinks by 1/273
B.) shrinks by 100/273
C.) increases by 1/273
D.) increases by 100/273

A.) shrinks by 1/273

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For each degree a volume of air at 0 degrees Celsius is cooled, its pressure
A.) decreases by 1/273
B.) decreases by 100/273
C.) increases by 1/273
D.) increases by 100/273

A.) decreases by 1/273

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A volume of helium gas has a temperature of 0 degrees C. The same gas twice as hot has a temperature of
A.) 0 degrees C
B.) 2 degrees C
C.) 100 degrees C
D.) 273 degrees C
E.) none of the above

D.) 273 degrees C

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A volume of helium gas has a temperature of 10 degrees C. The same gas twice as hot has a temperature of 
A.) 10 degrees C
B.) 12 degrees C
C.) 283 degrees C
D.) 293 degrees C
E. none of the above

D.) 293 degrees C

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Heat is simply another word for
A.) temperature
B.) thermal energy
C.) thermal energy that flows from hot to cold
D.) radiant energy

C.) thermal energy that flows from hot to cold

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Heat energy is measured in units of
A.) degrees
B.) joules
C.) calories
D.) both joules and calories

D.) both joules and calories

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If the same quantity of heat is added to both a 1-liter and a 2-liter container of water, the temperature change of water in the 1-liter container will be
A.) half
B.) more than half but less than twice
C.) twice
D.) none

C.) twice

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Compared to a giant iceberg, a hot cup of coffee has
A.) more thermal energy and higher temperature
B.) higher temperature but less thermal energy
C.) a greater specific heat capacity and more thermal energy
D.) none of the above

B.) higher temperature, but less thermal energy

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Thermal energy can be measured in
A.) calories
B.) Calories
C.) joules
D.) any or all of the above for special cases

D.) any or all of the above for special cases

Which law of thermodynamics is a restatement of the conservation of energy a it applies to thermal systems?
A.) first law
B.) second law
C.) third law
D.) all of the above

A.) first law

Which law of thermodynamics addresses the direction of heat flow?
A.) first law
B.) second law
C.) third law
D.) all of the above

B.) second law

When work is done by a system and no heat is added, the temperature of the system
A.) increases
B.) decreases
C.) remains unchanged

B.) decreases

When you place a sealed can of air on a hot stove burner, the can undergoes an increase in
A.) thermal energy
B.) temperature
C.) pressure
D.) all of the above
E.) none of the aboe

D.) all of the above

More disorder mean
A.) more entropy
B.) no real change in entropy
C.) less entropy

A.) more entropy

As a system becomes more disordered, entropy
A.) increases
B.) decreases
C.) remains the same

A.) increases

Your room gets messier day by day. In this case entropy is
A.) increasing
B.) decreasing
C.) hanging steady
D.) none of the above

A.) increasing

To say that water has a high specific heat capacity is to say that water
A.) requires a lot of energy for an increase in temperature
B.) releases a lot of energy in cooling
C.) absorbs a lot of energy for an increase in temperature
D.) all of the above
E.

D.) all of the above

A substance that heats up relatively quickly has a A.) high specific heat capacity B.) low specific heat capacity C.) high or low specific heat capacity

B.) low specific heat capacity

``` The moderate temperatures of islands throughout the world has mainly to do with waters A.) poor conductivity B.) vast supply of thermal energy C.) high specific heat capacity D.) high evaporation rate E.) absorption of solar energy ```

C.) high specific heat capacity

The fact that desert sand is very hot in the day and very cold at night is evidence that sand has a A.) low specific heat capacity B.) high specific heat capacity C.) none of the above

A.) low specific heat capacity

The specific heat capacity of aluminum is more than twice that of copper. Place equal masses of aluminum and copper wire in a flame and the wire to heat up quicker will be A.) copper B.) aluminum C.) both the same

A.) copper

Some molecules are able to absorb large amounts of energy in the form of internal vibrations and rotations. Materials composed of such molecules have A.) low specific heat capacities B.) high specific heat capacities C.) none of the above

B.) high specific heat capacities

The usefulness of a bitmetallic strip is die to differences in A.) expansions of metals B.) conductiveness of metals C.) heat capacities of metals

A.) expansions of metals

``` When a bimetallic bar composed of copper and iron strips is heated, the bar bends toward the iron strip because A.) iron gets hotter before copper B.) copper gets hotter before iron C.) copper expands more than iron D.) iron expands more than copper E.) none of the above ```

C.) copper expands more than iron

If glass expanded more than mercury, then the column of mercury in a thermometer would rise when the temperature A.) increases B.) decreases C.) neither

B.) decreases

When an iron ring is heated, the hole becomes A.) smaller B.) larger C.) neither

B.) larger

During a very cold winter, water pipes sometimes burst because A.) the ground contracts when colder, pulling pipes apart B.) water expands when freezing C.) water contracts when freezing D.) the thawing process releases pressure on the pipes E.) none of the above

B.) water expands when freezing

``` The overflow spillage of gasoline from a cars full tank on a hot day is evidence that gasoline expands A.) more than the tank metal B.) about the same as the tank metal C.) less than the tank metal D.) negligible ```

A.) more than the tank metal

If the temperature of a sample of 4 degrees Celsius water slightly increases, the sample of water A.) contracts B.) expands C.) neither

B.) expands

If the temperature of a sample of 4 degrees Celsius water slightly decreases, the sample of water A.) contracts B.) expands C.) neither

B.) expands

Water at 4 degrees C will sink to the bottom of a pond because A.) it will not freeze there B.) it benefits fish and other life forms there C.) like a rock, it is denser than surrounding water D.) of the presence of microscopic ice crystals

C.) like a rock, it is denser than surrounding water

Increasing the temperature of 1.0 kg 50 of water by 1 degrees Celsius requires A.) 4186 J B.) 4186 calories C.) none of the above

A.) 4186 J