ORGANIC CHEMISTRY LAB

studied byStudied by 16 people
5.0(1)
get a hint
hint

Open gas burners

1 / 106

Tags and Description

Lab safety rules, proper waste disposal, safety precautions and first aid, common laboratory apparatus, Exp 1, 2

107 Terms

1

Open gas burners

These must be kept away from volatile and flammable solvents

New cards
2

Solvents

Spilling these to heating mantles, hot plates, or stoves must be avoided.

New cards
3

Solid waste

This type of hazardous waste in large amount must be labeled and returned to the technician for proper disposal.

New cards
4

Water-insoluble

This type of solid waste must not be disposed in the sink.

New cards
5

Solvent waste

This type of waste in large amount must be stored in separate labeled containers.

New cards
6

Distillation

This is a way of recovering solvent waste, aside from vacuum evaporation

New cards
7

Vacuum evaporation

This is another way of recovering solvent waste, aside from distillation

New cards
8

Know the location

It is important to know the ___ of the nearest extinguisher, blanket, shower, and first aid kit in the laboratory.

New cards
9

Give help

It is important to be prepared to ___ to others in case of accidents

New cards
10

Carbon dioxide extinguisher

If reagents caught on fire, this type of fire extinguisher must be used.

New cards
11

Water

It is important to not use this to stop the fire in cases of burning reagents or clothing.

New cards
12

Carbon tetrachloride

It is important to not use this to stop the fire in cases of burning clothing.

New cards
13

Towel

This is used to beat out small fire.

New cards
14

Blanket

If clothes caught on fire, this must be wrapped to the host, aside from laboratory coat.

New cards
15

Small burns

For this kind of burn, it is important to not use water but immediately apply an ointment or 5% tannic acid solution.

New cards
16

Ointments

A few examples of these are Butescin picrate, and unguentine borated petroleum jelly

New cards
17

Tannic acid

When used, it forms a dark, protective crust within 24 hours, which begins to peel off when new skin forms.

New cards
18

Severe burns

If this occurred, it is important to summon medical aid and while waiting, try to offset shock by keeping the patient warm and quiet, and giving water to drink.

New cards
19

Expose

It is important to do this to the severely burned area.

New cards
20

Cut away

It is important to do this to burned clothing to prevent more injuries.

New cards
21

Chemicals

Immediate application of an appropriate washing agent may prevent an otherwise severe injury from these

New cards
22

Acid

If the skin came in contact with this, it is important to wash at once with a large volume of water, for at least 15 minutes.

New cards
23

Alkali

If the skin came in contact with these, Wash thoroughly with water for 15 minutes.

New cards
24

Glycerol

If the skin came in contact with bromine, it is important to cover it liberally with this and rub it on the skin to reach the affected pores.

New cards
25

Eye wash

If the eye came in contact with reagents, it is important to wash it at once with water and ask for this.

New cards
26

Ethanol

For cuts, it is important to disinfect it with ethanol and apply a bandage.

New cards
27

Beaker

Laboratory apparatus that are useful a s reaction containers or to hold liquid or solid samples.

New cards
28

Burette

Laboratory apparatus that is used for the addition of a precise volume of liquid with an estimated smallest measurement of 0.01mL with practice.

New cards
29

Erlenmeyer flask

Laboratory apparatus that is useful to contain reactions, hold liquid samples, and catch filtrates.

New cards
30

Glass Funnel

Laboratory apparatus that is used for funneling liquids from one container to another or for filtering when equipped with filter paper.

New cards
31

Graduated cylinder

Laboratory apparatus that is used for the measurement of liquids that can be estimated to the nearest 0.1 mL with practice.

New cards
32

Hot plate

Laboratory apparatus that can be used as a source of heat when open flame is not desirable

New cards
33

Pipette

Laboratory apparatus that is used to dispense small quantities of liquids.

New cards
34

Ring stand with rings

Laboratory apparatus that is used for holding pieces of glasswares in place

New cards
35

Test tube

Laboratory apparatus that is used for holding or containing small samples.

New cards
36

Test tube holder

Laboratory apparatus that is used for holding test tubes when tubes should not be touched.

New cards
37

Volumetric flask

Laboratory apparatus that are used to measure precise volume of liquid or to make precise dilutions

New cards
38

Watch glass

Laboratory apparatus that is used for holding small samples or for covering beakers or evaporating dishes.

New cards
39

Wire gauze

Laboratory apparatus that supports beakers to be heated by bunsen burners.

New cards
40

Evaporating dish

Laboratory apparatus that is used to separate liquids and solids from a solution by allowing the water to evaporate off into the air.

New cards
41

Ethyl alcohol

The substance that is flammable as determined by the ignition test.

New cards
42

Water

The substance that is non-flammable as determined by the ignition test.

New cards
43

Charring

An irreversible chemical process of incomplete combustion of certain solids when subjected to high heat.

New cards
44

Char

A carbonaceous material obtained when organic combustion are subjected to heat.

New cards
45

Sucrose

A substance that dissolves and changes its color to black upon contact with heat as determined by the charring test.

New cards
46

Salt

A substance that does not dissolve and changes its color to brown when in contact with heat as determined by the charring test.

New cards
47

Calcium Carbonate

A substance that does not change its color or form when in contact with heat as determined by the charring test.

New cards
48

Insoluble

The property that naphthalene has when in contact with water as determined by the solubility test

New cards
49

Soluble

The property that urea and sodium nitrate have in common when in contact with water as determined by the solubility test

New cards
50

Soluble

The property that naphthalene has when in contact with petroleum ether as determined by the solubility test

New cards
51

Petroleum ether

Urea and sodium nitrate are insoluble in this reagent as determined by the solubility test

New cards
52

Polar

What kind of substance are Sodium nitrate, urea, and water as revealed by the solubility test

New cards
53

Non-polar

What kind of substance are naphthalene and petroleum ether as revealed by the solubility test?

New cards
54

Lime water

Another term for calcium hydroxide

New cards
55

Orange

The color of the flame made by the ignition of ethyl alcohol

New cards
56

Hydrogen

Aside from oxygen, this is is also an element which is removed in a solid as it is subjected to heat.

New cards
57

Carbon

The primary component of char.

New cards
58

Urea

The compound which is used in the soda-lime test for amide nitrogen

New cards
59

Blue

The final color of the litmus paper as determined by the soda-lime test for amide nitrogen

New cards
60

Ammonia

The nitrogenous compound that becomes liberated when an organic compound is heated with soda lime

New cards
61

Base

Is ammonia acid or base?

New cards
62

Beilstein test

A halogen test that uses chloroform and copper wire.

New cards
63

Green

The color of the flame when a copper wire dipped into an organic compound is burned.

New cards
64

Cupric halide

This is what is formed when the copper oxide from the heating of copper wire reacts with the halogen from the organic compound

New cards
65

Silver nitrate test

The name of the test that involves the use of monochloroacetric acid, nitric acid, and silver nitrate to confirm the presence of a halogen

New cards
66

Precipitate

This is a substance that ranges from colors white to yellow that confirms the presence of a halogen in the silver nitrate test

New cards
67

Ferrox test

This is the name of the test that involves the use of butanol. hexane, naphthalene, and benzoic acid to confirm the presence of oxygen

New cards
68

Ferrous ammonium sulfate

What is the chemical name of Fe(NH4)(SO4)2?

New cards
69

KSCN

What is the molecular formula of potassium thiocyanate?

New cards
70

Dissolves

This is what happens when the compound in the ferrox test has oxygen, before producing a dark red solution

New cards
71

Ferrox paper

This is prepared by soaking a filter paper in methanol with equal parts of ferric chloride and ammonium thiocyanate \n

New cards
72

Albumin

This is a compound that is used for the lead acetate test

New cards
73

Sulfur

What presence is being tested when the lead acetate test is performed?

New cards
74

Sodium hydroxide

The chemical name of NaOH

New cards
75

Cysteine

The amino acid in albumin that reacts to lead ions when heated, forming black precipitate.

New cards
76

Organic compounds

These are compounds that are combustible with most inorganic compounds

New cards
77

Low

The general melting point for organic compounds.

New cards
78

Covalent bond

The type of bond that is responsible for organic compounds being easily decomposed.

New cards
79

Non-electrolytes

This is the property that makes organic compounds unable to produce electric current

New cards
80

Insoluble

The property that makes organic compounds unable to react with polar solvents

New cards
81

Slow

The reaction duration of organic compounds, as compared to inorganic

New cards
82

Isomerism

The phenomenon in which organic compounds have the same chemical formula but different chemical structures.

New cards
83

Catalyst

A material that is used to improve the rate of chemical reactions

New cards
84

Flash point

The minimum temperature at which liquid gives off enough vapor to form an ignitable mixture

New cards
85

Hazard

The lower the flash point, the higher the ____

New cards
86

below 100

The flash points of flammable liquid in fahrenheit

New cards
87

Vapor pressure

the pressure exerted by gas molecules in equilibrium with the liquid phase

New cards
88

kinetic energy

As the temperature is increased, the _____ of the molecules increases,

New cards
89

760

The vapor pressure in mmHg that determines the normal boiling point temperature of a liquid

New cards
90

vapor pressure

The stronger the intermolecular forces. The lower the ___ at a given temperature.

New cards
91

Ethanol

Clear, colorless liquid with a characteristic pleasant odor and burning taste

New cards
92

Dihydrogen monoxide

The other term for water

New cards
93

Combustion

A chemical reaction that releases energy by the oxidation of a fuel.

New cards
94

Sucrose

A naturally occurring sugar found in various amounts in plants like fruits, vegetables, and nuts.

New cards
95

solubility

the amount of solute that dissolves in a given amount of solvent, usually reported in g/100 mL

New cards
96

Unsaturated

A solution that has less than the maximum number of grams of solute

New cards
97

Saturated

A solution that has the maximum number of grams of solute that can dissolve

New cards
98

Nonpolar

The property of a covalent bond when two atoms of identical or similar electronegativity are joined together.

New cards
99

Polar

The property of a covalent bond when atoms of different electronegativity are joined together

New cards
100

Naphthalene

White, volatile, solid polycyclic hydrocarbon with a strong mothball odor

New cards

Explore top notes

note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 2 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 68 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 1631 people
Updated ... ago
4.9 Stars(7)
note Note
studied byStudied by 21 people
Updated ... ago
5.0 Stars(3)
note Note
studied byStudied by 36618 people
Updated ... ago
4.9 Stars(87)
note Note
studied byStudied by 63 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 181293 people
Updated ... ago
4.8 Stars(731)

Explore top flashcards

flashcards Flashcard31 terms
studied byStudied by 31 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard29 terms
studied byStudied by 11 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard44 terms
studied byStudied by 3 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard94 terms
studied byStudied by 18 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard24 terms
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard204 terms
studied byStudied by 4 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard67 terms
studied byStudied by 87 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard22 terms
studied byStudied by 1901 people
Updated ... ago
4.3 Stars(30)