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Find the number of grams of hcl needed to react completely with .50 moles of magnesium.
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Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?
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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a
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Which of the following was most likely not present in creating the amino acids of early earth's wate...
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