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romanbortsov2010
@romanbortsov2010
August 2021
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помогите пожалуйста вар.2
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dubes
2Cu+O2=2CuO
Cu(0)-2e=Cu(+2)
O2(0)+4e=2O(-2)
2Fe+3Cl2=2FeCl3
Fe(0)-3e=Fe(+3)
Cl2(0)+2e=2Cl(-)
Ba+2H2O=Ba(OH)2+H2
Ba(0)-2e=Ba(+2)
2H(+1)+2e=H2(0)
Cu+2AgNO3=Cu(NO3)2+2Ag
Cu(0)+2Ag(+1)=Cu(2+)+2Ag(0)
Fe+HgSO4=FeSO4+Hg
Fe(0)+Hg(2+)=Fe(2+)+Hg(0)
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Answers & Comments
Cu(0)-2e=Cu(+2)
O2(0)+4e=2O(-2)
2Fe+3Cl2=2FeCl3
Fe(0)-3e=Fe(+3)
Cl2(0)+2e=2Cl(-)
Ba+2H2O=Ba(OH)2+H2
Ba(0)-2e=Ba(+2)
2H(+1)+2e=H2(0)
Cu+2AgNO3=Cu(NO3)2+2Ag
Cu(0)+2Ag(+1)=Cu(2+)+2Ag(0)
Fe+HgSO4=FeSO4+Hg
Fe(0)+Hg(2+)=Fe(2+)+Hg(0)