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Chemistry, 21.06.2019 17:30
Write a paragraph at least 10 sentences explaining how rocks are used today in society
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This chart represents the melting point of several substance. what besy explains the high melting point of the salt?
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Chemistry, 21.06.2019 23:30
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.
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Chemistry, 22.06.2019 00:00
Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble
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How can you tell if an atom is an isotope?...
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