Achemical reaction is taking place in a beaker. the side of the beaker feels cold to the touch. which type of reaction is taking place? a. exothermic, because energy is released to the surrounding b. endothermic, because energy is released to the surrounding c. endothermic, becaue energy is absorbed from the surrounding d. exothermic, because energy is absorbed from the surrounding
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Physics, 21.06.2019 19:20
How would you place two electrons on a sphere of radius r so that the electrostatic potential energy is minimized. how would you place three electrons to solve the same problem.
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Physics, 22.06.2019 04:00
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 05:30
Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis
Answers: 3
Physics, 22.06.2019 11:10
Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.
Answers: 3
Achemical reaction is taking place in a beaker. the side of the beaker feels cold to the touch. whic...
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