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Answer:It is a picture with a boat sailing on the water with sound waves going down to an old and sunken ship but the waves then go back up to the boat in a different angle.
Explanation:
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Answer:
Urea contains more nitrogen
Explanation:
1 mole of Urea contains 2 moles of Nitrogen and 1 mole of ammonium sulfate contains, also, 2 moles of nitrogen.
60g of urea (Molar mass: 60g/mol) contains:
60g × (1mol / 60g) = 1 mole. As 1 mole of urea contains 2 moles of nitrogen, moles of nitrogen are 2.
100g of ammonium sulfate (Molar mass: 132g/mol) contains:
100g × (1mol / 132g) = 0.758 moles.
As 1 mole of urea contains 2 moles of nitrogen, moles of nitrogen are 0.758×2 = 1.516 moles.
That means, <em>urea contains more nitrogen</em>.
Answer:
Trasition metals can have multiple oxidation states because of their electrons
