Chemistry, 17.10.2019 00:30 keshewar4427
Note that our rather exact definition of what a mineral is excludes many of the everyday meanings of the word "mineral". for instance, to some a "mineral resource" can be substance, such as stone, coal, petroleum, gravel, salt, or diamond, that is extracted from the ground and sold as a commodity. to a nutritionist, minerals are the inorganic elements found in foods, like iron and potassium and calcium, that are essential to life. in popular speech, any substance that is neither "animal" nor "vegetable" is "mineral". discuss why any of these definitions do not necessarily meet the requirements of the definition used by geologists.
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Chemistry, 22.06.2019 04:10
Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a
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Chemistry, 22.06.2019 06:00
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
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