Chemistry, 29.07.2019 08:30 JustTraaash
Which of the following occurs when an electron moves from a higher energy shell to a lower energy shell? a. a neutron is always lost. b. a proton is always gained. c. energy is released in the form of radiation. d. the electron must be transferred to another atom.
Answers: 1
Chemistry, 22.06.2019 07:00
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
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Chemistry, 22.06.2019 14:00
Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *
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Chemistry, 22.06.2019 14:30
Which of the following describes a situation where competition between producers exists
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Which of the following occurs when an electron moves from a higher energy shell to a lower energy sh...
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