U1 Important Chem Stuff

Question 1

kilo symbol

Answer 1

k

Question 2

kilo meaning and exponential notation

Answer 2

1,000, 10^3

Question 3

hecto symbol

Answer 3

h

Question 4

hecto meaning and exponential notation

Answer 4

100, 10^2

Question 5

deka symbol

Answer 5

da

Question 6

deka meaning and exponential notation

Answer 6

10, 10^1

Question 7

deci symbol

Answer 7

d

Question 8

deci meaning and exponential notation

Answer 8

0.1, 10^-1

Question 9

centi symbol

Answer 9

c

Question 10

centi meaning and exponential notation

Answer 10

0.01, 10^-2

Question 11

milli

Answer 11

0.001, 10^-3

Question 12

mega symbol (extra mile)

Answer 12

M

Question 13

mega meaning and exponential notation (extra mile)

Answer 13

1,000,000, 10^6

Question 14

micro symbol (extra mile)

Answer 14

μ

Question 15

micro meaning and exponential notation (extra mile)

Answer 15

0.000001, 10^-6

Question 16

nano symbol (extra mile)

Answer 16

n

Question 17

nano meaning and exponential notation (extra mile)

Answer 17

0.000000001, 10^-9

Question 18

milli symbol

Answer 18

m

Question 19

1ml = ?

Answer 19

cm^3

Question 20

What is the equation to convert kelvin to celsius?

Answer 20

Tk=T°C+273.15

Question 21

Equation to find mass

Answer 21

m=d*v

Question 22

Equation to find volume

Answer 22

v=m/d

Question 23

Equation to find density

Answer 23

d=m/v

Question 24

What do you do for this scientific notation problem? 5.2210^4 +3.2110^2

Answer 24

Change 10^4 to 10^2 or vice versa
This goes for adding and subtracting problems using scientific notation

Question 25

when multiplying scientific notation, what do you do with the exponents

Answer 25

add them

Question 26

when dividing scientific notation, what do you do with the exponents

Answer 26

subtract them

Question 27

Balance

Answer 27

used to measure the mass of a substance

Question 28

Beaker

Answer 28

used to hold liquids

Question 29

bunsen burner

Answer 29

used to produce a flame for heating materials

Question 30

erlenmeyer flask

Answer 30

used to mix liquids, sloped sides allows for spill free mixing

Question 31

eye washing station

Answer 31

used to wash eyes if chemicals gets in them

Question 32

goggles

Answer 32

used to protect eyes during experiments

Question 33

graduated cylinder

Answer 33

used for accurately measuring the volume of liquids

Question 34

pipette

Answer 34

used to dispense small amounts of liquids dropwise (one drop at a time)

Question 35

ring stand and iron ring

Answer 35

used to hold glassware in place above lab bench

Question 36

ring stand clamp

Answer 36

attatched to ring stand to hold items above lab bench

Question 37

safety shower

Answer 37

used to rinse a student in case of an emergency

Question 38

scoopula

Answer 38

used to transfer dry solids

Question 39

test tubes

Answer 39

used for holding, mixing, and heating small amounts of chemicals

Question 40

tongs

Answer 40

used to move items that have been heated

Question 41

sig figs multiplication/division rule

Answer 41

look for limiting factor

Question 42

sig figs addition/subtraction rule

Answer 42

stop when the sig figs run out