Chapter 2 Measurement and Problem Solving Flashcards

1
Q

What is the formula for density?

A

divide the mass of a given amount of a substance by its volume

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2
Q

What does tera denote?

A

1012

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3
Q

What does the prefix giga denote?

A

109

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4
Q

What does the prefix mega denote?

A

106

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5
Q

What does the prefix kilo denote?

A

103

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6
Q

What does the prefix deci denote?

A

10-1

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7
Q

What does the prefix centi denote?

A

10-2

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8
Q

What does the prefix milli denote?

A

10-3

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9
Q

What does the prefix micro denote?

A

10-6

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10
Q

What does the prefix nano denote?

A

10-9

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11
Q

What does the prefix pico denote?

A

10-12

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12
Q

What does the prefix femto denote?

A

10-15

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13
Q

What is matter?

A

Anything that occupies space and has mass

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14
Q

What are the two properties of matter?

A

Physical and Chemical

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15
Q

What is heat capacity?

A

The quantity of heat required to change the temperature of a substance by 1ºC

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16
Q

What is the specific heat capacity of a substance?

A

The heat capacity of a substance expressed in joules per gram per degree of substance

17
Q

What is the formula for calculating specific heat capacity?

A

heat = mass x specific heat capacity x temperature change

18
Q

What is the formula for converting between Kelvin and Celsius?

A

K = ºC + 273.15

19
Q

What is the formula for converting between ºC and ºF?

A

ºC = (ºF-32) / 1.8

20
Q

How many joules are in 1 calorie ( cal) ?

A

4.184 joules (J)

21
Q

How many joules are in 1 kilowatt-hour?

A

3.60x106 joules (J)

22
Q

What does the unit of measurement calorie (cal) represent?

A

The amount of energy required to raise 1 g of water by 1 ºC

23
Q
A