Module 2 Flashcards

1
Q

Energy

A

The ability to do work.

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2
Q

Work

A

The force applied to an object times the distance that the object travels parallel to that force.

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3
Q

Heat

A

Energy that is transferred as a consequence of temperature differences.

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4
Q

Specific heat

A

The amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree Celsius.

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5
Q

The First Law of Thermodynamics

A

Energy cannot be created or destroyed. It can only change form.

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6
Q

Potential energy

A

Energy that is stored.

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7
Q

Kinetic energy

A

Energy that is in motion

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9
Q

Calorie (cal)

A

The amount of heat necessary to warm one gram of water one degree Celsius.

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10
Q

Joule (J)

A

The amount of energy required to lift a 102 gram object straight up (at a constant speed) for 1.0 meter.

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11
Q

1 Calorie = X calories

A

X = 1,000

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13
Q

1 calorie = X Joules

A

X = 4.184

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15
Q

In the equation q=mcΔT, what does “q” stand for?

A

The amount of energy absorbed or released.

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16
Q

In the equation q=mcΔT, what does “m” stand for?

A

The mass of the object.

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17
Q

In the equation q=mcΔT, what does “ΔT” stand for?

A

The change in temperature of the object.

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17
Q

What is the specific heat of water? (in calories and Joules)

A

1.000 cal/g•ºC
or
4.184 J/g•ºC

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18
Q

In the equation q=mcΔT, what does “c” stand for?

A

The specific heat of the object.

18
Q

What is the “calorimetry equation”?

A

-qobject = qwater + qcalorimeter

19
Q

ΔT= …

A

ΔT=Tfinal - Tinitial

19
Q

What is the equation to convert Fahrenheit to Celsius?

A

ºC = 5/9(ºF - 32)

20
Q

What is the equation to convert Celsius to Fahrenheit?

A

ºF = 9/5(ºC) + 32

21
Q

What is the Kelvin temperature scale often called?

A

The absolute temperature scale.

22
Q

How do you convert from Celsius to Kelvin?

A

K = ºC + 273.15