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Chemistry, 21.06.2019 20:40
If equal masses of the listed metals were collected , which would have a greatest volume ? a. aluminum 2.70,b.zinc7.14,c.copper 8.92,d.lead 11.34
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Chemistry, 22.06.2019 02:00
How many moles of magnesium is 3.01 x10^22 atoms of magnesium?
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Chemistry, 23.06.2019 15:40
Twenty-seven milliliters of an acid with an unknown concentration are titrated with a base that has a concentration of 0.55 m. the indicator changed color when 12.5 milliliters of base were added. what is the concentration of the unknown acid?
Answers: 2
Chemistry, 23.06.2019 16:00
Island arcsisland arcs are long, curved chains of oceanic islands associated with seismic activity and mountain-building processes at certain plate boundaries. they occur where oceanic tectonic plates collide. along one side of these island arcs, there is usually a long, narrow deep-sea trench.at island arcs, the denser plate is subducted and is forced into the partially molten mantle under the less dense plate. the islands are composed of the extrusive igneous rocks basalt and andesite. the basalt originates most likely from the plastic mantle. the andesite originates most likely from the melting of parts of the descending plate and sediments that had accumulated on its surface.which list identifies minerals present in andesite from the greatest percentage by volume to the least percentage by volume? a) biotite, plagioclase feldspar, amphiboleb) biotite, amphibole, plagioclase feldsparc) plagioclase feldspar, biotite, amphiboled) plagioclase feldspar, amphibole, biotite
Answers: 3
Chemistry, 26.11.2019 16:31
Mathematics, 26.11.2019 16:31
Biology, 26.11.2019 16:31
Mathematics, 26.11.2019 16:31
History, 26.11.2019 16:31
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