The density of a substance is 1.63 ml. What is the mass of 4.2 ml of the substance?
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Chemistry, 21.06.2019 23:00
Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?
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Chemistry, 22.06.2019 04:20
Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from
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How does the principle of electromagnetism explain the interaction between earthβs magnetic field and the solar wind?
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Chemistry, 22.06.2019 20:30
Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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