2. Overview
• It is very important that you know what you
are doing in chemistry lab.
• Learning the info in this tutorial will save you a
lot of time and help you stay safe
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3.
4. Equipment
• Bunsen burner
• Striker
Watch this video
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12. What to Wear?
• Hair tied back
• Closed toed shoes
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13. Types of Chemicals
• Solid
• Measured in mg or g
• Often crystals
• Remove from container
with designated spatula
only
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14. Types of Chemicals
• Liquid
• Measured in mL
• Carefully pour into
glassware
• Examples
• 0.1 M solution
• 70% solution
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15. Types of Chemicals
• Gas
• Not usually stored in lab
• O2 in air often a reactant
• NH3 or H2 can be products of reactions
• NH3 detected by smell
• H2 detected by lighting a match
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16. Lab protocol
• Never sniff chemicals
• Waft using your hand
• Never put chemicals back into storage jar
• Discard any used chemical in proper receptacle
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18. Lab protocol
• How to read a graduated cylinder
• Get at eye level with top of liquid
• Look at bottom of the meniscus
• See what line it falls on
• This one is 47 mL
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19. Lab protocol
• Come prepared for lab
• Read lab ahead of time
• Review this tutorial
• Dress appropriately
• Write in notebook often
• Record all weights & measures
• Make observations
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20. Lab protocol
• You cannot leave lab until
• All pertinent data has been collected
• Chemicals disposed of properly
• Glassware cleaned and placed on paper towel to dry
• Equipment cleaned and put away
• Lab bench wiped off
• Hands washed
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21. Emergency procedures
• In case of fire
• Carefully back away
• Alert teacher to get fire
extinguisher
• Prepare to leave building if
necessary
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22. Emergency procedures
• In case of spill
• Contain with paper towels
• Wash off chemical from
skin and clothing
• Alert teacher to spill
• Dispose of paper towels in
proper receptacle
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23. Emergency procedures
• In case of chemical in eyes or
on body
• Immediately go to eye wash
station
• Turn on and hold eyes open
in stream for 5 min
• Use shower to get chemical
off body if necessary
• Alert teacher
• Clean up spill
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24. Emergency procedures
• In case of broken glass
• Alert teacher
• Do not attempt to clean up on your own
• Clean and bandage wound if cut
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39. Question 5
If anything concerning happens during lab what
should you do?
A. Rinse eyes
B. Get fire extinguisher
C. Tell teacher
D. Ask a classmate what to do
42. Learn More!
• More equipment you should know here
• Good site with flashcards for functions of equipment
• Government chemistry lab safety guide. Pages 6-9 are
for students (read about fake fingernails, yikes!)
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44. Photo Credits
• Link to wafting picture (slide 16).
• Photos of crucible, tongs, watch glass,
graduated cylinder, test tube rack, ring stand,
support ring were all from Amazon.com
• 2 Videos from youtube.com
