Chemistry, 19.11.2020 21:30 Serenitybella
A 17.0-g sample of ammonia, NH3, contains 3.0-g of
hydrogen. What percentage of ammonia is
hydrogen? How many grams of nitrogen does the
sample contain?
Answers: 2
Chemistry, 21.06.2019 19:10
Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?
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Chemistry, 21.06.2019 22:20
Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.
Answers: 1
Chemistry, 22.06.2019 19:30
Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.
Answers: 2
A 17.0-g sample of ammonia, NH3, contains 3.0-g of
hydrogen. What percentage of ammonia is
hy...
hy...
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