Bell Ringer (2nd, 4th period)1. Name the following lab equipment and tell me

its function.

Have: Signed Syllabus, Photo Release, and Safety Contract on Desk

Hazard symbolsHow many can you name?

CORROSIVE

FLAMMABLE

BIOHAZARD

IRRITANT/HARMFUL

RADIOACTIVE

TOXIC/POISON

ENVIRONMENTAL HAZARD

HIGH VOLTAGE

OXIDIZING

EXPLOSIVE

NFPA CHEMICAL HAZARD LABEL

HEALTH

SPECIAL

REACTIVITY(STABILITY)

FLAMMABILITY

NFPA CHEMICAL HAZARD LABEL

2 34 0

LeastSerious

4

MostSerious

4

0

Flammable vapor which burns readily

Substance is stable

NFPA CHEMICAL HAZARD LABELComplete Label for Phosphine

MSDS (Material Safety Data Sheet)

On file for all purchased chemicals

Available online at www.flinn.com

Includes all information shown on a chemical label and more

NFPA diamond

Hazard Rating

4 Severe5 Serious6 Dangerou

s7 Minor0 Slight

30 1OX

Describe this chemical based on the information provided.

Other special hazards:• SA = simple

asphyxiant• = reacts

with water

Bell Ringer (3rd, 4th,5th, 6th period)1. Draw a NFPA safety diamond for the substance

given the following information:Reactivity – 0, Health – 1, Flammability – 3

Describe the chemical based on this information.

2. Describe what safety precautions should be taken for a chemical with the following MSDS info:

Have: Signed Syllabus, Photo Release, and Safety Contract on Desk

Potential Health Hazards Fire Fighting Measures

Slightly toxic by ingestion and skin absorption. Irritating to body tissues. Causes severe eye burns.Avoid all body tissue contact.

Noncombustible liquid

Learning the Lab Equipment

policeman

Watch glass

desiccator

triple beam balance    

Utility clamp Glass stirring rod

Safety goggles

Crucible tongs

Beaker tongs

Stirrer/hot plateapron

Digital balance

beakerGraduated cylinder

Test tube

Test tube rack

Wash bottle

Test tube cleaner

Mortar and pestleTest tube clamp

Erlenmeyer flask

Florence flask

Forceps (tweezers)

scoopula

Volumetric flask

Ring stand

Clay triangle

Wire mesh

Buret clamp

ring

Bunsen burner and striker

crucible

pipettes

Crucible tongs

Procedure for properly using a Bunsen burner: 1) CAUTION : Make SURE all gas valves are

closed, before turning on the main gas.2) Put safety goggles on3) Obtain a lab burner4) Connect rubber hose to the lab burner and gas

valve, checking for holes or cracks in the rubber5) Obtain sparker6) Turn the gas valve on7) Hold sparker over the top of the burner, and

squeeze the handle producing sparks until the flame is lit

8) Adjust the flame's heat, by turning the air valve on the burner tube

This is an example of a well-adjusted burner flame

And this is an example of a poorly adjusted burner flame

Lab Equipment & SafetyLab

Exit Ticket “Learning the Lab Equipment” Lab On the sticky note, write EITHER:

One thing you learned in class today One thing you’re still unsure about

Place sticky note in the appropriate space on the door