What must you do before coming to the lab? * Take the Pre-Lab Quiz.
* Read the experiment.
* Write the Chemical Alert Table in the lab notebook.
* Review the chemicals and their hazards.
* Prepare lab notebook for the experiment.
Which of the following items of clothing are appropriate to * T-shirt
wear in CHEM 1212 Lab to protect your skin? * Scrub pants
* Jeans
* Lab Apron
Which of the following are appropriate to wear in CHEM * Sneakers
1212 Lab to protect your feet? * Tennis shoes
* Boots
* Loafers
Where is the eye wash station located? mounted on the wall next to the large sink
In the appropriate Chemical Alert terms, what is Irritant? chemical causes dryness, itching or sensitivity
In the appropriate Chemical Alert terms, what is corrosive? irreversibly destroys living tissue or metal upon contact
In the appropriate Chemical Alert terms, what is toxic? may cause harm through ingestion, inhalation or skin absorption
In the appropriate Chemical Alert terms, what is chemical suspected or proven to cause cancer
Carcinogen?
Where do excess chemicals and reaction mixtures go? Appropriate waste container
Where do used (and rinsed) Beral pipet and Used filter Trash can
paper go?
where does a cracked or chipped beaker go? broken glass box
If a chemical is splashed on your leg what should you do? Remove affected clothing and rinse with running water for 15 minutes.
If a chemical gets into your eye what should you do? Flush with eye-wash solution for 15 minutes
If a chemical is spilled on your hand what should you do? Rinse with running water for 15 minutes
, Chem Lab 1212 Midterm LSU (Experiments 1-9 and safety quiz_s)
If a person's hair or clothing catch fire, what should you Wrap with a fire blanket and then Stop, Drop & Roll
do?
What should you do if you spill a chemical on your lab Clean it up using the spill kit in your lab.
bench?
Can you eat or drink in the lab? No
When is it okay to remove your chemical splash proof When everyone in the lab has put away all chemicals and glassware.
goggles?
What items should be written in your Lab Notebook for * Title of the Experiment
Experiment #1 before coming to lab? * Objective or Purpose in your own words
* Chemical Alert Table
Which of the following are Good Lab Practices (GLPs)? * Pour a small amount of chemical into a beaker at the spill tray
* Clean up any spilled liquid on the counter promptly
*Check the label on the reagent bottle to verify it is the correct chemical and
concentration
*Safety goggles are necessary at all times during the experiment.
When Sugars disappear when added to hot tea. What soluble (sugar is soluble in hot liquids in general)
describes the relationship between sugar and tea?
(Experiment 1) What is the density of a liquid that occupies 1.15 g/mL (Use Density formula to find this)
a volume of 5.14 mL and weighs 5.89 g?
What was the purpose of experiment 1? Determining the densities of the liquids (physical property) and to determine the
solubility of a solid in several liquids (chemical property) and the miscibility of the
liquids with each other (chemical property).
What is the density formula? mass/volume (mass divided by volume)
When ethanol(ℓ) is added to water, it results in one miscible
solution. What describes the relationship between ethanol
and water?
What is miscible? forming a homogeneous mixture when added together.
What are examples of homogenous mixtures? * Air
* Sugar water
* Rainwater
* Vodka
* Vinegar
* Dishwashing detergent
What is a homogenous mixture? a mixture of substances blended so thoroughly that you cannot see individual
substances. (Gay)