Chapter 1

Question 0

Closeness to the true value

Answer 0

Accuracy

Question 1

Refers to the closeness of a set of values

Answer 1

Precision

Question 2

What figures are significant?

Answer 2

1-all nonzero numbers
2-confined zeros
3-trailing zeros to the right of a decimal

Question 3

What figures are NOT significant?

Answer 3

1-leading zeros

2-trailing zeros to the left of a decimal

Question 4

What is precision?

Answer 4

A set of numbers that are close to each other and are reproducible

Question 5

What is accuracy?

Answer 5

Closeness to the true value; the average of all values

Question 6

How do you decipher the amount of sig figs when multiplying and dividing?

Answer 6

Least number of sig figs

Ex: 123
x 22
2706= 2.7x10^3 (2sig figs)

Question 7

How do you decipher the amount of sig figs when adding and subtracting?

Answer 7

Least decimal places

Ex. 1.433
1.3
+3.45.
6.183 = 6.2 (2sig figs)

Question 8

Giga

Answer 8

x10^9

Question 9

Mega

Answer 9

x10^6

Question 10

Kilo

Answer 10

x10^3

Question 11

deci

Answer 11

x10^-1

Question 12

centi

Answer 12

x10^-2

Question 13

milli

Answer 13

x10^-3

Question 14

micro

Answer 14

x10^-6

Question 15

nano

Answer 15

x10^-9

Question 16

pico

Answer 16

x10^-12

Question 17

Femto

Answer 17

x10^-15

Question 18

Angstrom

Answer 18

x10^-10

Question 19

x10^9

Answer 19

Giga

Question 20

x10^6

Answer 20

Mega

Question 21

x10^3

Answer 21

Kilo

Question 22

x10^-1

Answer 22

deci

Question 23

x10^-2

Answer 23

centi

Question 24

x10^-3

Answer 24

milli

Question 25

x10^-6

Answer 25

micro

Question 26

x10^-9

Answer 26

nano

Question 27

x10^-12

Answer 27

pico

Question 28

x10^-15

Answer 28

Femto

Question 29

x10^-10

Answer 29

Angstrom

Question 30

What is the base unit for length in SI?

Answer 30

Meters

Question 31

What is the base unit for length in Metric?

Answer 31

Meters

Question 32

What is the base unit for mass in SI?

Answer 32

kg

Question 33

What is the base unit for mass in Metric?

Answer 33

g

Question 34

What is the base unit for temperature in SI?

Answer 34

K

Question 35

What is the base unit for temperature in Metric?

Answer 35

Celsius

Question 36

What is the base unit for volume in SI?

Answer 36

m^3

Question 37

What is the base unit for volume n Metrics?

Answer 37

L

Question 38

What is the formula for the volume of a cylinder?

Answer 38

(pie) r^2 x length/height

Question 39

What is the formula for volume of a cuboid?

Answer 39

Length x width x height

Question 40

How do you go from Celsius to Fahrenheit?

Answer 40

(Cx1.8) + 32= F

Question 41

How do you go from Fahrenheit to Celsius?

Answer 41

(F-32) / 1.8= C

Question 42

How do you go from Celsius to Kelvin?

Answer 42

C+273.15= K

only use the .15 if the C has a decimal

Question 43

What is the formula for density?

Answer 43

D= M/V

Question 44

1mL =?

Answer 44

1mL= 1cm^3

Question 45

What are the steps of figuring out volume of an irregular shape into SI units?

Answer 45

1. Water displacement
2. Change the mL in cm^3 (1mL=1cm^3)
3. Cube the meters
4. Change into scientific notation

Question 46

1in=?

Answer 46

1in= 2.54cm

Question 47

What is the Law of Conservation of Mass?

Answer 47

The total mass remains constant throughout a chemical reaction.