Chemistry, 28.06.2019 19:30 bommat1085
Achemical equation is shown: al + o2 → al2o3 according to the law of conservation of mass, how many atoms of oxygen exist in the products of this reaction?
Answers: 1
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Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.
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Chemistry, 22.06.2019 05:20
Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?
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The molality of calcium chloride (cacl2) in an aqueous solution is 2.46 m. what is mole fraction of the solute?
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Achemical equation is shown: al + o2 → al2o3 according to the law of conservation of mass, how many...
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