Chemistry, 02.12.2021 18:30 lillysiege
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93. 73 nm. It then gives off a photon having a wavelength of 1094 nm. What is the final state of the hydrogen atom?.
Answers: 2
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The crust of earth may a- continets and ocean floors. b-continents only. c-layers of sedimentary rocks and continents. d-all of the above
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What is the percentage composition of carbon in the compound ch4
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Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?
Answers: 2
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