Solution of problem 623 of the collection on general ch
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623. Indicate which hydrazine N2H4 serves as an oxidizing agent in which of the above reactions, and in what - as a reducing agent:
N2H4 + 4AgNO3 + 4KOH = N2 + 4Ag + 4KNO3 + 4H2O
N2H4 + Zn + 2KOH + 2H2O = 2NH3 + K2 [Zn (OH) 4]
N2H4 + 4AgNO3 + 4KOH = N2 + 4Ag + 4KNO3 + 4H2O
N2H4 + Zn + 2KOH + 2H2O = 2NH3 + K2 [Zn (OH) 4]
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- Updated on the site 15.05.2017
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Solution of problem 623 of the collection on general ch
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %