What is the best safety approach when working with unknown chemical substances? Select one: Assume that any substance distributed to lab participants is non-toxic and not a safety risk. Read the procedure and try to guess what the unknown substance is, then review its specific safety information. Assume that the substance is hazardous. Always wear appropriate PPE and take steps to prevent contact. Do not begin working with a substance unless you know exactly what it is.
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Chemistry, 21.06.2019 23:30, ashleyjaslin
Calculate the expected ph values of the buffer systems from the experiments (a, b,c, d), using the henderson- hasselbalch equation, ph-pka+log[a-]/[ha]. use for pka values carbonic acid= 6.37, and acetic acid= 4.75.
Answers: 2
Chemistry, 22.06.2019 12:30, ethanw8973
If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Chemistry, 22.06.2019 19:30, 2020sanchezyiczela
Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.
Answers: 3
What is the best safety approach when working with unknown chemical substances? Select one: Assume t...
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