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Chemistry, 21.06.2019 13:00
In a closed or isolated system , matter can not be created or destroyed. it can change forms but is conserved true or false
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Chemistry, 21.06.2019 23:00
Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.
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Chemistry, 22.06.2019 20:00
Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
Answers: 1
What is the momentum of a 37-kg person riding south on an 18-kg bicycle at 1.2 m/s?...
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