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2 Fe = Fe2
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
KOHSO2 = KHSO3 =>
KOHSO2 = KHSO3
ZnSO4 + Na2CO3 = Na2SO4 + ZnCO3 =>
ZnSO4 + Na2CO3 = Na2SO4 + ZnCO3
HBr + Mg(OH)2 = MgBr2 + H2O =>
2 HBr + Mg(OH)2 = MgBr2 + 2 H2O
NH4 + O2 = H2O + NO =>
2 NH4 + 3 O2 = 4 H2O + 2 NO
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
Mg(OH)2 + LiCl = LiOH + MgCl2 =>
Mg(OH)2 + 2 LiCl = 2 LiOH + MgCl2
CH3CH2COCH2COOH + NaBH4 + H2O = CH3CH2CH2OCH2CH2OH + NaOH + H3BO3 =>
4 CH3CH2COCH2COOH + 3 NaBH4 + 8 H2O = 4 CH3CH2CH2OCH2CH2OH + 3 NaOH + 3 H3BO3
Cl2 + Ca(OH)2 = Ca(ClO)3 + CaCl2 + H2O =>
7 Cl2 + 6 Ca(OH)2 = 2 Ca(ClO)3 + 4 CaCl2 + 6 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SeS2 + O2 = SeO2 + SO2 =>
SeS2 + 3 O2 = SeO2 + 2 SO2
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
MgCO3 + H(NO3) = Mg(NO3)2 + H2O + CO2 =>
MgCO3 + 2 H(NO3) = Mg(NO3)2 + H2O + CO2
H2O + CuO = Cu(OH)2 =>
H2O + CuO = Cu(OH)2
NaHCO3 + AgNO3 = NaNO3 + AgHCO3 =>
NaHCO3 + AgNO3 = NaNO3 + AgHCO3
Fe4S(S) + O2 = Fe3O + SO2 =>
3 Fe4S(S) + 8 O2 = 4 Fe3O + 6 SO2
C15H31COONa + HCl = C15H31COOH + NaCl =>
C15H31COONa + HCl = C15H31COOH + NaCl
(SCN)2 + H2O = H2SO4 + HCN + SCN{-} + H{+} =>
3(SCN)2 + 4 H2O = H2SO4 + HCN + 5 SCN{-} + 5 H{+}
NaCl + Co = CoCl2 + Na =>
2 NaCl + Co = CoCl2 + 2 Na
C6H12 + HCl = CCl + H13 =>
13 C6H12 + 78 HCl = 78 CCl + 18 H13
NH3 + OH{-} = N2 + H2O + {-} =>
2 NH3 + 6 OH{-} = N2 + 6 H2O + 6e
NaOH(ag) + HCl(ag) = NaCl(ag) + H2O(l) =>
NaOH(ag) + HCl(ag) = NaCl(ag) + H2O(l)
Mg(OH)2 + LiCl = LiOH + MgCl2 =>
Mg(OH)2 + 2 LiCl = 2 LiOH + MgCl2
CuSO4 + Fe(NO3)3 = Cu(NO3)3 + FeSO4 =>
CuSO4 + Fe(NO3)3 = Cu(NO3)3 + FeSO4
Cl2 + Ca(OH)2 = Ca(ClO)3 + CaCl2 + H2O =>
7 Cl2 + 6 Ca(OH)2 = 2 Ca(ClO)3 + 4 CaCl2 + 6 H2O
Sr(NO3) + KI = SrI + K(NO3) =>
Sr(NO3) + KI = SrI + K(NO3)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
CuBr2 + AlCl3 = CuCl2 + AlBr3 =>
3 CuBr2 + 2 AlCl3 = 3 CuCl2 + 2 AlBr3
CHCl3 + I2 = CHI3 + Cl2 =>
2 CHCl3 + 3 I2 = 2 CHI3 + 3 Cl2
сера + озон = диоксидсеры =>
3 S + 2 O3 = 3 SO2
Al + SnCl2 = AlCl3 + Sn =>
2 Al + 3 SnCl2 = 2 AlCl3 + 3 Sn
NiCl2*6H2O + PPh3 = NiCl2(PPh3)2 + H2O =>
NiCl2*6H2O + 2 PPh3 = NiCl2(PPh3)2 + 6 H2O
SnSO4 + NaOH = Sn(OH)2 + Na2SO4 =>
SnSO4 + 2 NaOH = Sn(OH)2 + Na2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
P2S3 + O2 = P2O5 + SO1 =>
P2S3 + 4 O2 = P2O5 + 3 SO1
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
C40H56 + KMnO4 + H2O = C40H56(OH)26 + KOH + MnO2 =>
3 C40H56 + 26 KMnO4 + 52 H2O = 3 C40H56(OH)26 + 26 KOH + 26 MnO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
S2 + H2O = SOH + H2 =>
S2 + 2 H2O = 2 SOH + H2
Cu(s) + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu(s) + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
Sr(OH)2 + NaHSO3 = NaOH + H2SO4 + Sr =>
Sr(OH)2 + NaHSO3 = NaOH + H2SO4 + Sr
MgCl2(aq) + Na2CO3(aq) = MgCO3 + NaCl =>
MgCl2(aq) + Na2CO3(aq) = MgCO3 + 2 NaCl
SrL2 + Br2 = Br2Sr + L2 =>
SrL2 + Br2 = Br2Sr + L2
SnHg(NO3)2 = Sn(NO3)2Hg =>
SnHg(NO3)2 = Sn(NO3)2Hg
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
CN + MnO4 = CNO + MnO2 =>
2 CN + MnO4 = 2 CNO + MnO2
C + N2 = (CN)2 =>
2 C + N2 = (CN)2
Li2S + NH4NO3 = LiNO3 + (NH4)2S =>
Li2S + 2 NH4NO3 = 2 LiNO3 + (NH4)2S
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