Chemistry, 05.12.2021 23:40 jetblackcap
How many grams of potassium sulphate are formed when 49g of sulphuric acid in solution are neutralised by potassium hydroxide?
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Which of these would be caused by a chemical change? a) the formation of lava. b) sedimantary rock layering over time. c) metamorphic rock forming from igneous. d) metamorphic rock eroding to form sedimentary rock.
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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland
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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
How many grams of potassium sulphate are formed when 49g of sulphuric acid in solution are neutralis...
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