Org Chem Lab Mod 1-3

Front 1

organic chemistry

Back 1

study of hydrocarbons and their data deals and the study of the component of one element

Front 2

magnetic stirrer

Back 2

creates a rotating magnetic field

Front 3

stainless steel scoopula

Back 3

used to transfer solid to weighing paper and acts as a stirrer

Front 4

water bath

Back 4

It is used to incubate samples in water at a constant temperature over a long period of time.

Front 5

pH meter

Back 5

used to measure pH and hydrogen ion activity in solutions - in other words, this instrument measures acidity/alkalinity of a solution.

Front 6

Vortex meter

Back 6

kinetic force to stirring

Front 7

Fumehood

Back 7

to prevent the release of hazardous substances into the general laboratory space by controlling and then exhausting hazardous and/or odorous chemicals

Front 8

Round bottom flask

Back 8

- with a short narrow neck use in generating glasses

-used for distillation, chemical reactions, heating liquid sample, and storage demands.

Front 9

hirsh funnel

Back 9

- smaller dimensions and a different shape

- smaller surface area that holds the filter paper

Front 10

Buchner funnel

Back 10

- used to separate solids (sludge) from a mixture

- for vacuum filtration and collect recrystallization

Front 11

heating mantle

Back 11

- used for heating or temperating organic liquid

Front 12

Variac transformer

Back 12

used to control voltage

Front 13

3 finger clamp

Back 13

are used to hold larger pieces of glassware and odd-shaped objects

Front 14

utility clamp

Back 14

is a laboratory apparatus resembling a pair of scissors.

Front 15

condenser

Back 15

used for condensing vapor

Front 16

Keck clips

Back 16

they hold two pieces glassware and melt when it's too hot

Front 17

pasteur pippete

Back 17

- used to transfer small quantities of liquids

- has rubber bulb

Front 18

separatory funnel

Back 18

use to separate immiscible liquid

Front 19

pinch clamp

Back 19

used to secure and regulate the flow of liquids, gases, or other materials in laboratory settings

Front 20

crucible tong

Back 20

use to handle a hot crucible, evaporating dishes, flasks, small beakers or other items which have a high temperature or contain potentially dangerous materials which cannot be touched with bare hands.

Front 21

test tube holder

Back 21

indirectly hold test tube

Front 22

Florence flask

Back 22

used in observing chemicals and testing solutions

Front 23

Retort Flask

Back 23

- use for the purpose of distillation process

- use in titration process and also useful in mixing because there is a low chance of split

Front 24

recrystallization

Back 24

a technique for the purification of compounds in which a compound is dissolved in a solvent and slowly cooled to form a crystal

Front 25

recrystallization

Back 25

a method of purifying non-volatile organic solids

Front 26

preservative

Back 26

used of benzoic acid

Front 27

distillation

Back 27

a method for separating mixtures base on boiling point difference

Front 28

boiling point

Back 28

- formation of bubbles

Front 29

boiling point

Back 29

temperature at which the vapor pressure of a liquid

Front 30

evaporation

Back 30

no formation of bubbles

Front 31

condensation

Back 31

a phase change state from gas to liquid

Front 32

simple, fractional, steam & vacuum distillation

Back 32

4 types of distillation

Front 33

simple distillation

Back 33

a method in which only effective for mixtures wherein the boiling point

Front 34

fractional distillation

Back 34

use to separate mixture of liquids that have similar boiling point

Front 35

steam distillation

Back 35

use to separate heat sensitive components of a mixture

Front 36

vacuum distillation

Back 36

separating mixtures of liquid with very high boiling point

Front 37

Vacuum distillation

Back 37

if applied pressure is reduced the boiling point and the liquid decreases

Front 38

purple

Back 38

color of murexide complex

Front 39

physical analysis

Back 39

used to determine physical properties of a compound

Front 40

solubility

Back 40

process of an ability of a substance to dissolve in a solvent

Front 41

135 °C

Back 41

melting point of aspirin

Front 42

158.6°C

Back 42

melting point of salicylic acid