Chemistry, 31.08.2019 14:00 joseperez1224
Suppose that a newly discovered element called centium has three isotopes that occur in nature. these are centium-200, centium-203, and centium-209. assume that these isotopes occur in equal amounts in nature. what will be the average atomic mass of this element?
Answers: 1
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Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?
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Chemistry, 22.06.2019 18:30
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
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Chemistry, 22.06.2019 21:20
Phosgene (carbonyl chloride), cocl2, is an extremely toxic gas that is used in manufacturing certain dyes and plastics. phosgene can be produced by reacting carbon monoxide and chlorine gas at high temperatures: co(g) cl2(g)⇌cocl2(g) carbon monoxide and chlorine gas are allowed to react in a sealed vessel at 477 ∘c . at equilibrium, the concentrations were measured and the following results obtained: gas partial pressure (atm) co 0.830 cl2 1.30 cocl2 0.220 what is the equilibrium constant, kp, of this reaction
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Chemistry, 22.06.2019 23:00
What is the oxidation state of an individual bromine atom in nabro3?
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Suppose that a newly discovered element called centium has three isotopes that occur in nature. thes...
Computers and Technology, 05.12.2019 18:31