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lolkekhahahaha
@lolkekhahahaha
July 2022
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Как решить!!!!!????????
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chemistry0ua
1. Перше дивись у фотографії
2.
2Na + Cl2 —> 2NaCl
2Zn + O2 —> 2ZnO
2CuO + C —> 2Cu + CO2
2NaOH + H2SO4 —> Na2SO4 + 2H2O
BaCl2 + 2AgNO3 —> 2AgCl⬇️ + Ba(NO3)2
3CaCl2 + 2Na3PO4 —> Ca3(PO4)2 + 6NaCl
3. 2Cu + O2 —> CuO ( при температурі 400-500*С )
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Answers & Comments
2.
2Na + Cl2 —> 2NaCl
2Zn + O2 —> 2ZnO
2CuO + C —> 2Cu + CO2
2NaOH + H2SO4 —> Na2SO4 + 2H2O
BaCl2 + 2AgNO3 —> 2AgCl⬇️ + Ba(NO3)2
3CaCl2 + 2Na3PO4 —> Ca3(PO4)2 + 6NaCl
3. 2Cu + O2 —> CuO ( при температурі 400-500*С )