Chemistry, 15.11.2019 05:31 sweetiezylp8umho
Aline in the paschen series of hydrogen has a wavelength of 1280 nm. from what state did the electron originate? = in which region of the electromagnetic spectrum is this line observed? visible, ultraviolet, gamma rays, x‑rays, infrared, radio, microwaves.
Answers: 1
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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
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Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea
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The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide
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Chemistry, 23.06.2019 01:00
Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.
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Aline in the paschen series of hydrogen has a wavelength of 1280 nm. from what state did the electro...
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