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Dashutka52
@Dashutka52
August 2022
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ПОМОГИТЕ!!!!! СРОЧНО!!!!!!!
Расставьте коэффициенты, преобразовав схемы в уравнения реакций. Заранее благодарю.
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FireWave
1)Fe+CuCl2=Cu+FeCl2
3Zn+2FeBr3=2ZnBr2+2Fe
3HgCl2+2Al=2AlCl3+3Hg
Mg+2H2O=H2+Mg(OH)2
2 votes
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Mar9897
P2O3 + 3H2O = 2H3PO3
B2O3 + 3H2O = 2H3BO3
Na2O + H2O = 2NaOH
P2O3 + 3H2O = 2H3PO3
Mar9897
2Al + 3S = Al2S3
2P (красн.)+ 3Ca = Ca3P2
K + O2(воздух) = KO2
Mg + Cl2 (влажн.) = MgCl2
H2 + Cl2 = 2HCl
N2 + O2 = 2NO
H2 + 2Na = 2NaH
2 votes
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Answers & Comments
3Zn+2FeBr3=2ZnBr2+2Fe
3HgCl2+2Al=2AlCl3+3Hg
Mg+2H2O=H2+Mg(OH)2
B2O3 + 3H2O = 2H3BO3
Na2O + H2O = 2NaOH
P2O3 + 3H2O = 2H3PO3
2P (красн.)+ 3Ca = Ca3P2
K + O2(воздух) = KO2
Mg + Cl2 (влажн.) = MgCl2
H2 + Cl2 = 2HCl
N2 + O2 = 2NO
H2 + 2Na = 2NaH