Chapter 1

Question 1

What is chemistry the study of?

Answer 1

Matter, it’s properties, the changes that matter undergoes, and the energy associated with these changes

Question 2

what is light ?

Answer 2

anything that has both mass and volume

Question 3

what do measured quantities always have?

Answer 3

a number and a unit

Question 4

350mi/7h = ?

Answer 4

50mi/hr OR 50 mi hr^-1

Question 5

what’s mass measured in?

Answer 5

kilograms (kg)

Question 6

what’s length measured in?

Answer 6

meter (m)

Question 7

what’s time measured in ?

Answer 7

seconds (s)

Question 8

what’s temperature measured in?

Answer 8

kelvin (K)

Question 9

what is electric current measured in?

Answer 9

ampere (A)

Question 10

what is the amount of substance measured in?

Answer 10

mole (mol)

Question 11

cm = ?

Answer 11

10^-2 m

Question 12

3km = ?

Answer 12

3 x 10^3 m

Question 13

1 in = cm?

Answer 13

2.54 cm

Question 14

1 ft = in?

Answer 14

12 in

Question 15

1 mi = ft?

Answer 15

5280 ft

Question 16

1 yard = ft?

Answer 16

3 ft

Question 17

1 mL = cm?

Answer 17

1cm^3

Question 18

1cm^3 =?

Answer 18

1 cc (cubic centimeter)

Question 19

how many centimeters are in 1dm?

Answer 19

10 cm

Question 20

what does cc stand for

Answer 20

cubic centimeter

Question 21

1 mi = 5280ft or 1mi/5280 ft . it looks like a fraction but what is it equal to?

Answer 21

1 because one mile is equivalent to 5280 feet

Question 22

when solving a problem what should you never start with ?

Answer 22

conversion factors

Question 23

to wire your steep equipment, you need 325 centimeters of speaker wire that sells for $0.15/ft. what’s the conversion factor?

Answer 23

$0.15/ft

Question 24

g/mL is the same as?

Answer 24

g/cm^3

Question 25

how do you find density ?

Answer 25

mass / volume

Question 26

lithium, a soft, gray solid with the lowest density of any metal, is a key component of advanced batteries. a slab of lithium weighs 1.49 x 103mg and has sides that are 20.9mm by 11.1mm by 11.9 mm. find the density of the lithium in g/cm^3. then convert your answer to kg/L.

Answer 26

0.540kg/L

Question 27

what does 1000 mg convert to?

Answer 27

1 g

Question 28

what does 60 minutes convert to?

Answer 28

1 hour

Question 29

what does 2.54 cm convert to?

Answer 29

1 in

Question 30

how many minutes are there in 3.652h?

Answer 30

219.1 minutes