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Cr2O3 + 6 HCl = 2 CrCl3 + 3 H2O
Na2S + NiBr2 = NaBr + NiS =>
Na2S + NiBr2 = 2 NaBr + NiS
Fe(OH)3 + H2CO3 = H2O + Fe2(CO3)3 =>
2 Fe(OH)3 + 3 H2CO3 = 6 H2O + Fe2(CO3)3
IO3{-} + Re + H2O = ReO4{-} + I{-} + H{+} =>
7 IO3{-} + 6 Re + 3 H2O = 6 ReO4{-} + 7 I{-} + 6 H{+}
SnCl2 + Hg(NO3)2 = Hg2Cl + SnCl4 + Sn(NO3)4 =>
3 SnCl2 + 4 Hg(NO3)2 = 2 Hg2Cl + SnCl4 + 2 Sn(NO3)4
Rb + HCl = H2 + RbCl2 =>
Rb + 2 HCl = H2 + RbCl2
Hg2(NO3)2 + NaOH = Hg2(OH)2 + NaNO3 =>
Hg2(NO3)2 + 2 NaOH = Hg2(OH)2 + 2 NaNO3
Zn + Fe(SO4)2 = ZnSO4 + Fe =>
2 Zn + Fe(SO4)2 = 2 ZnSO4 + Fe
Sr(OH)2 + HCl = SrCl2 + H2O =>
Sr(OH)2 + 2 HCl = SrCl2 + 2 H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O =>
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O
Mg + AlCl3 = Mg{+2} + Cl{-} + Al =>
3 Mg + 2 AlCl3 = 3 Mg{+2} + 6 Cl{-} + 2 Al
Pb + Al2O3 = PbO + Al =>
3 Pb + Al2O3 = 3 PbO + 2 Al
CaO + P2O5 = Ca3(PO4)2 =>
3 CaO + P2O5 = Ca3(PO4)2
Fe(NO3)3 + BaCl2 = Ba(NO3)3 + FeCl2 =>
Fe(NO3)3 + BaCl2 = Ba(NO3)3 + FeCl2
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
KMnO4 + (COOH)2 + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5(COOH)2 + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 8 H2O
K + Br = KBr =>
K + Br = KBr
CH2Cl2 + O2 = CO2 + HCl =>
CH2Cl2 + O2 = CO2 + 2 HCl
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O =>
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + H2S2O7 = ZnSO4 + H2S + H2O =>
8 Zn + 5 H2S2O7 = 8 ZnSO4 + 2 H2S + 3 H2O
CuSO4 + Na2CO3 = CuCO4 + Na2SO3 =>
CuSO4 + Na2CO3 = CuCO4 + Na2SO3
NaNO2 = NaNO + O2 =>
2 NaNO2 = 2 NaNO + O2
NH2OH + KI + H2SO4 = I2 + NH4OH + K2SO4 =>
NH2OH + 2 KI + H2SO4 = I2 + NH4OH + K2SO4
Mn2S3 = Mn + S8 =>
8 Mn2S3 = 16 Mn + 3 S8
CuSO4(aq) + Ba(OH)2(aq) = Cu(OH)2(s) + BaSO4(aq) =>
CuSO4(aq) + Ba(OH)2(aq) = Cu(OH)2(s) + BaSO4(aq)
Zn(NO3)2 + NaI = ZnI2 + Na(NO3) =>
Zn(NO3)2 + 2 NaI = ZnI2 + 2 Na(NO3)
Zn(NO3)2 + NaI = ZnI + Na(NO3)2 =>
Zn(NO3)2 + NaI = ZnI + Na(NO3)2
CaO + B2O3 = CaB2O4 =>
CaO + B2O3 = CaB2O4
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O =>
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O
F + FeCl3 = Cl + FeF3 =>
3 F + FeCl3 = 3 Cl + FeF3
Fe3O4(s) + O2(g) = Fe2O3(s) =>
4 Fe3O4(s) + O2(g) = 6 Fe2O3(s)
HO = O2 + H2O =>
4 HO = O2 + 2 H2O
H3PO2 + NaOH = NaH2PO2 + H2O =>
H3PO2 + NaOH = NaH2PO2 + H2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
MgSO4(aq) + KNO3(aq) = Mg(NO3)2 + K2SO4 =>
MgSO4(aq) + 2 KNO3(aq) = Mg(NO3)2 + K2SO4
NaOH + CO2 = Na2CO3 + H2O =>
2 NaOH + CO2 = Na2CO3 + H2O
CuCl2 + Ae = AeCl3 + Cu =>
3 CuCl2 + 2 Ae = 2 AeCl3 + 3 Cu
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O =>
CH3CH(Cl)CH2CH3 + KOH = CH3CH2CHCH2 + KCl + H2O
Mn2S3 = Mn + S8 =>
8 Mn2S3 = 16 Mn + 3 S8
S + AI = AIS =>
S + AI = AIS
FeCl2 + AgNO3 = Fe(NO3)2 + AgCl =>
FeCl2 + 2 AgNO3 = Fe(NO3)2 + 2 AgCl
Li2SO4 + Ag2SO4 + CrSO4 + CO2 + H2O = Ag2C2O4 + LiCrO4 + H2SO4 =>
Li2SO4 + 5 Ag2SO4 + 2 CrSO4 + 10 CO2 + 8 H2O = 5 Ag2C2O4 + 2 LiCrO4 + 8 H2SO4
CH3CH(l) + O2(g) = CO2(g) + H2 =>
CH3CH(l) + 2 O2(g) = 2 CO2(g) + 2 H2
Mg(s) + Ag2S = MgS + Ag(s) =>
Mg(s) + Ag2S = MgS + 2 Ag(s)
TiO2 + Ca(OH)2 = CaTiO3 + H2O =>
TiO2 + Ca(OH)2 = CaTiO3 + H2O
FeO + N2 = Fe3N2 + O2 =>
6 FeO + 2 N2 = 2 Fe3N2 + 3 O2
CuCl2(s) + Na2SO4(aq) = CuSO4(s) + NaCl(aq) =>
CuCl2(s) + Na2SO4(aq) = CuSO4(s) + 2 NaCl(aq)
CaCl2 + K3PO4 = Ca3(PO4)2 + KCl =>
3 CaCl2 + 2 K3PO4 = Ca3(PO4)2 + 6 KCl
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