Chemistry, 16.07.2021 15:30 Nerdylearner8639
Match each lab incident to the item of PPE that will protect you from it. Each item of PPE will only be used once.
While picking up a buret, an unknown solution left by a previous solution drips onto your hand.
While pulling an empty beaker off the shelf at the beginning of lab, it slips out of your hand onto the floor
While checking on a stirring solution, the solution splashes up towards your face.
While transferring a solution from a flask to a beaker, the solution accidentally spills down the front of the lab bench,
A. Gloves
B. Lab coat
C. Goggles
D. Closed-toe shoes
Answers: 3
Chemistry, 22.06.2019 06:30
Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line
Answers: 1
Chemistry, 22.06.2019 11:00
The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
Answers: 2
Chemistry, 22.06.2019 13:30
Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.
Answers: 2
Match each lab incident to the item of PPE that will protect you from it. Each item of PPE will only...
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