Chemistry, 30.11.2020 08:10 Mrcastaway3036
Which sample is a pure substance
a. a test tub of zinc oxide
b. a container of zinc and oxygen
c. A flask of Pondwater
d. A jar of soil
Answers: 1
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According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead
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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
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The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?
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How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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Which sample is a pure substance
a. a test tub of zinc oxide
b. a container of zinc and oxyg...
b. a container of zinc and oxyg...
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