Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10-40 J-s. In that universe, which of the following objects would require quantum mechanics to describe, that is, would show both particle and wave properties? Which objects would act like everyday objects, and be adequately described by classical mechanics? object A grain of sand with a mass of 120 mg, 860. um wide, moving at 8.00 mm/s. A bacterium with a mass of 1.0 pg, 3.0 um long, moving at 9.00 μm/s. An alpha particle with a mass of 6.6 x 10-27 kg, 8.0 x 10" 15 m wide, moving at 17. km/s. An airplane with a mass of 2.58 x 104 kg, 14.0 m long, moving at 1300. km/h. quantum or classical? classical O quantum O classical O quantum O classical O quantum O classical O quantum

Imagine an alternate universe where the value of the Planck constant is 6.62607 × 10-40 J-s. In that universe, which of the following objects would require quantum mechanics to describe, that is, would show both particle and wave properties? Which objects would act like everyday objects, and be adequately described by classical mechanics? object A grain of sand with a mass of 120 mg, 860. um wide, moving at 8.00 mm/s. A bacterium with a mass of 1.0 pg, 3.0 um long, moving at 9.00 μm/s. An alpha particle with a mass of 6.6 x 10-27 kg, 8.0 x 10" 15 m wide, moving at 17. km/s. An airplane with a mass of 2.58 x 104 kg, 14.0 m long, moving at 1300. km/h. quantum or classical? classical O quantum O classical O quantum O classical O quantum O classical O quantum

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In the production of printed circuit boards for the electronics industry, a 0.765 mm layer of copper is laminated onto an insulating plastic board. Next a circuit pattern made of a chemically resistant polymer is printed on the board. The unwanted copper is removed by chemical etching and the protective polymer is finally removed by solvents. One etching reaction isCu(NH3)4Cl2(aq) + 4NH3(aq) + Cu(s) → 2Cu(NH3)4Cl(aq)A plant needs to manufacture 8700 printed circuit boards, each 7.55cm x 18.0cm in area. An average of 72.0% of the copper is removed from each board (density of copper=8.96g/cm3.) What mass of Cu(NH3)4Cl2 reagent is required?
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Riccardo states that the process of iron reacting with sulfur to produce iron(II) sulfide according to 16Fe + 3S8 = 8Fe2S3 16.00g of iron will react will 3.00 g of sulfur in the reaction. Do agree or disagree with this statement. Please explain.
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