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Chemistry, 21.06.2019 13:30
One of the reactions in a blast furnace used to reduce iron is shown above. how many grams of fe2o3 are required to produce 15.5 g of fe if the reaction occurs in the presence of excess co? a.11.1 g b.22.1 g c.30.0 g d.44.2 g
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Chemistry, 23.06.2019 04:00
The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart
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Chemistry, 23.06.2019 06:30
What is the chemical formula for a compound between li and br? libr li2br libr2 libr3
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Chemistry, 23.06.2019 09:20
Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a
Answers: 1
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