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please help. Describe the procedure for calculating the percent composition of an element in a compound, according to mass.
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In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
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Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.
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Chemistry, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
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please help. Describe the procedure for calculating the percent composition of an element in a compo...
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