Chapter 1 Introduction: Matter, Energy, and Measurement

Question 1

What are the 6 metric prefixes?

Answer 1

Kilo, Deci, Centi, Milli, Micro, Nano

Question 2

What is the conversion between inches and centimeters?

Answer 2

1 in = 2.54 cm

Question 3

What is the conversion between meters and centimeters?

Answer 3

1 m = 100 cm

Question 4

What is the conversion between kilometers and meters?

Answer 4

1 km = 1000 m

Question 5

What is the equation used to find density?

Answer 5

Mass/Volume

Question 6

What power of 10 is the prefix kilo?

Answer 6

10^3

Question 7

What power of 10 is the prefix deci?

Answer 7

10^-1

Question 8

What power of 10 is the prefix centi?

Answer 8

10^-2

Question 9

What power of 10 is the prefix milli?

Answer 9

10^-3

Question 10

What power of 10 is the prefix micro?

Answer 10

10^-6

Question 11

What power of 10 is the prefix nano?

Answer 11

10^-9

Question 12

What is the definition of an extensive property?

Answer 12

Depend on the amount of matter being measured.

Question 13

What is the definition of an intensive property?

Answer 13

Do not depend on the amount of substance present.

Question 14

What are some extensive properties?

Answer 14

Mass, volume, length

Question 15

What are some intensive properties?

Answer 15

Boiling point, density, temperature, color, hardness

Question 16

What is the conversion between kilograms and grams?

Answer 16

1 kg = 1000 g

Question 17

What is a physical property?

Answer 17

Can observe without altering the identity of the substance.

Question 18

What is a chemical property?

Answer 18

Describes how a substance will react.

Question 19

What is density?

Answer 19

Mass of a unit volume of material of substance.

Question 20

What is the conversion between meters and millimeters?

Answer 20

1 m = 1000 mm

Question 21

What is the conversion between liters and milliliters?

Answer 21

1 L = 1000 mL

Question 22

What is the scientific method?

Answer 22

Observation>Hypothesis>Experiment>Data>Law>Theory

Question 23

What is a law?

Answer 23

Summary of data, often a mathematical pattern.

Question 24

What is a theory?

Answer 24

An explanation.

Question 25

Significant figures in addition/subtraction?

Answer 25

Same number of decimal places as the measurement with the fewest decimal places.

Question 26

Significant figures in multiplication/division?

Answer 26

Same number of significant figures as the measurement with the least number of significant figures.

Question 27

What is an exact number?

Answer 27

Defined numbers or the result of a count.

Question 28

What power of 10 is the prefix mega?

Answer 28

10^6

Question 29

What is precision?

Answer 29

How close measurements are to each other.

Question 30

What is accuracy?

Answer 30

How close measurements are to the true value.

Question 31

What is a physical change?

Answer 31

Appearance is altered but not identity.

Question 32

What is a chemical change?

Answer 32

A substance is transformed into a different substance.