Unit: Safety Chemistry, Wilson
EXPLORING THE LAB
Purpose : to help you become familiar with the chemistry lab and it contents
Procedure:
Station A-
Match each description with the appropriate piece of hardware. Please sketch and label a picture of what the item looks like in your lab notebook. Sketches should be at least 5 cm by 5 cm (2 in. by 2 in.).
Bunsen burner Brush Beaker tongs Crucible tongs
Iron ring Ring stand Scoopula Test tube clamp
Test tube rack Test tube tongs Triangle Wire gauze
Wash bottle
1. Used to hold hot beakers; may not be used in a flame.
2. Used to spread the heat of a flame
3. Used to hold & heat a test tube for short periods of time
4. Used to heat a test tube for long periods of time
5. Used to hold several test tubes at one time in an upright position
6. Used to dispense water
7. Used to heat
8. A support with many uses
9. Used to support a crucible or funnel
10. Fastens to the ring stand and supports apparatus
11. Used to clean glassware
12. Used to hold and pick up an extremely hot apparatus
13. Used to transfer solid chemical
Station B-
Match each description with the appropriate piece of glassware. Please sketch and label a picture of what the item looks like in your lab notebook. Sketches should be at least 5 cm by 5 cm (2 in. by 2 in.).
Beaker Graduated Cylinder Erlenmeyer Flask
Funnel Stirring Rod Eye Dropper
Test Tube Watch Glass Evaporating Dish
Mortar & Pestle Crucible & Cover
1. Used for performing larger reaction in and heating liquids
2. Used for performing titration reaction
3. Used for pouring and stirring
4. Used for filtering
5. Used for transferring small amounts of liquid
6. Used for performing small reaction and heating liquids gently
7. Used for measuring solution volumes
8. Used for performing very small reactions and covering beakers
9. Used to heat small volumes of liquid being evaporated
10. Used to heat small amounts of solids at high temperatures
11. Used to grind crystals and lumpy chemicals to a powder.
Station C-
List the 10 things wrong with Messy Marvin’s lab station.
Station D-
Redraw/trace the diagram of the lab in your lab book and place the letter of each safety item listed below in its correct location.
A. Eyewash station
B. Fire blanket
C. Fire extinguishers (2)
D. Sand for spill control
E. Exhaust hoods (2)
F. Shower
G. Phones (2)
H. First aid kit
I. Room fan
J. Glass disposal
K. MSDS
L. Fire Alarm
Station E-
Using the material safety data sheets (MSDS), answer the questions in complete sentences.
A. If copper II chloride is ingested, what steps should be taken?
B. What appearance and odor would potassium metal have?
C. What is the boiling point of ethyl alcohol?
D. Based on this data, what state is ethyl alcohol in at room temperature?
E. What are the effects of an overexposure to the skin from silver nitrate?
Station F-
Consider the questions below. In complete sentences, develop some reasonable answers.
A. Your lab partner gets acid in his or her eyes. What should you do?
B. What should you do if you severely cut yourself with a piece of broken glass?
C. What should you do if your hair catches on fire?
D. If you notice smoke or chemical fumes in the laboratory, what should you do?
E. You accidentally get a chemical in your mouth. What would you do?
Conclusion: What are two things you learned in this lab?
Exploring the Lab