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andreidobrorodni09
@andreidobrorodni09
July 2023
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Срочно!!!............
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LordNi
1. 2HgO = 2Hg + O2
2. 2Fe + 3Cl2 = 2FeCl3
3. 2Na + S = Na2S
4. Cr2O3 + 3H2 = 2Cr + 3H2O
5. 2Al + 3S = Al2S3
6. N2 + 3H2 = 2NH3
1 votes
Thanks 1
andreidobrorodni09
точно правильно?
LordNi
Да, согласно закону сохранения массы веществ, число атомов каждого химического элемента до и после реакции должно быть одинаковым
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Answers & Comments
2. 2Fe + 3Cl2 = 2FeCl3
3. 2Na + S = Na2S
4. Cr2O3 + 3H2 = 2Cr + 3H2O
5. 2Al + 3S = Al2S3
6. N2 + 3H2 = 2NH3