Which practice poses the greatest safety concern?
talking to others in the lab
accumulating...
Chemistry, 30.08.2021 17:10, andybiersack154
Which practice poses the greatest safety concern?
talking to others in the lab
accumulating clutter on the lab bench
performing an experiment when sitting down
reading the temperature of a water bath
Answers: 2
Chemistry, 22.06.2019 03:00, Dkhaurithompson
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
Chemistry, 22.06.2019 08:00, flakko1899
An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
Answers: 1
Chemistry, 22.06.2019 13:00, aleilyg2005
If two objects at different te, peraure are in contact with each other what happens to their temperature
Answers: 1
Chemistry, 22.06.2019 17:00, princessakosua2
The msds for glacial acetic acid says that it is a flammable liquid that can severely burn any human tissue it comes in contact with. it reacts with bases, various metals, and strong oxidizing agents. its vapors can form explosive mixtures with air.
Answers: 1
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