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3 NaHC2O4 + 2 HAuCl4 = 2 Au + 3 NaCl + 6 CO2 + 5 HCl
H2SO4 + (OH)3Au = Au2(SO4)3 + H2O =>
3 H2SO4 + 2(OH)3Au = Au2(SO4)3 + 6 H2O
CoCl2(aq) + NaOH(aq) = Co(OH)2(s) + NaCl(aq) =>
CoCl2(aq) + 2 NaOH(aq) = Co(OH)2(s) + 2 NaCl(aq)
Cu(NH3)4(SO4) + KI = CuI + KSO4 + (NH3) =>
Cu(NH3)4(SO4) + KI = CuI + KSO4 + 4(NH3)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Pb2S2 + HNO3 = Pb(NO3)4 + NO2 + S + H2O =>
Pb2S2 + 16 HNO3 = 2 Pb(NO3)4 + 8 NO2 + 2 S + 8 H2O
MnCl2 + H2SO4 = MnSO4 + H + Cl =>
MnCl2 + H2SO4 = MnSO4 + 2 H + 2 Cl
FeTiO2 + Cl2 + C = Fe3Cl + Ti4Cl + CO =>
24 FeTiO2 + 7 Cl2 + 48 C = 8 Fe3Cl + 6 Ti4Cl + 48 CO
Na2SO3 + H2O = Na2OH + HSO3 =>
Na2SO3 + H2O = Na2OH + HSO3
KI + CI2 = KCI + I2 =>
KI + CI2 = KCI + I2
Fe2(SO4)3 + Sb + Fe(OH)3 = Fe(SbO3)3 + Fe2S3 + H2O =>
5 Fe2(SO4)3 + 24 Sb + 8 Fe(OH)3 = 8 Fe(SbO3)3 + 5 Fe2S3 + 12 H2O
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
PO + O2 = PO2 =>
2 PO + O2 = 2 PO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
HC2H3O2 + LiHCO3 = LiC2H3O2 + H2O + CO2 =>
HC2H3O2 + LiHCO3 = LiC2H3O2 + H2O + CO2
CO2(g) + H2O(l) = CH3OH(l) + O2(g) =>
2 CO2(g) + 4 H2O(l) = 2 CH3OH(l) + 3 O2(g)
NaOH(s) + HCl(g) = NaCl(s) + H2O(g) =>
NaOH(s) + HCl(g) = NaCl(s) + H2O(g)
C2H3OOH + Al(OH)3 = H2O + Al(C2H3O2)3 =>
3 C2H3OOH + Al(OH)3 = 3 H2O + Al(C2H3O2)3
H{+} + Cu2O = Cu{2+} + Cu + H2O =>
2 H{+} + Cu2O = Cu{2+} + Cu + H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Cu(I) + HgSO4 = Cu(I)SO4 + Hg =>
Cu(I) + HgSO4 = Cu(I)SO4 + Hg
Na(SCN)2 + AuNO3 = NaNO3 + Au(SCN)2 =>
Na(SCN)2 + AuNO3 = NaNO3 + Au(SCN)2
C + H2 = CH4 =>
C + 2 H2 = CH4
K4(Fe(CN)6) + KMnO4 + H2SO4 = Fe2(SO4)3 + CO2 + KNO3 + K2SO4 + MnSO4 + H2O =>
10 K4(Fe(CN)6) + 122 KMnO4 + 188 H2SO4 = 5 Fe2(SO4)3 + 60 CO2 + 60 KNO3 + 51 K2SO4 + 122 MnSO4 + 188 H2O
CH3CH2OH(l) = CH2 + CH2O + H =>
CH3CH2OH(l) = CH2 + CH2O + 2 H
MgSO4 + HNO3 = Mg(NO3)2 + H2SO4 =>
MgSO4 + 2 HNO3 = Mg(NO3)2 + H2SO4
Cu(NO3)2 + KI = CuI + I2 + KNO3 =>
2 Cu(NO3)2 + 4 KI = 2 CuI + I2 + 4 KNO3
(CH)3OH + O2 = CO2 + H2O =>
2(CH)3OH + 7 O2 = 6 CO2 + 4 H2O
Al + H2SO4(aq) = Al2(SO4)(aq) + H2 =>
2 Al + H2SO4(aq) = Al2(SO4)(aq) + H2
CH3COOH + NaHCO3 = Na2C2H3O2 + H2O + CO2 =>
9 CH3COOH + 16 NaHCO3 = 8 Na2C2H3O2 + 14 H2O + 18 CO2
CaCo3 + H3PO4 = CaPO4 + H + Co =>
CaCo3 + H3PO4 = CaPO4 + 3 H + 3 Co
N2H4 + N2O5 = H2O + N2 =>
5 N2H4 + 2 N2O5 = 10 H2O + 7 N2
C12H26 = C6 + H13 =>
C12H26 = 2 C6 + 2 H13
Cu(NO3)2 + KI = CuI + I2 + KNO3 =>
2 Cu(NO3)2 + 4 KI = 2 CuI + I2 + 4 KNO3
K2CrO7 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 K2CrO7 + 18 FeSO4 + 14 H2SO4 = 9 Fe2(SO4)3 + 2 K2SO4 + Cr2(SO4)3 + 14 H2O
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
Mg(g) + H3PO4(g) = MgPO4(g) + H2(g) =>
2 Mg(g) + 2 H3PO4(g) = 2 MgPO4(g) + 3 H2(g)
Cr2O7{2-} + H{+} = Cr{6+} + H2O =>
Cr2O7{2-} + 14 H{+} = 2 Cr{6+} + 7 H2O
CuO + C2H6O = CH2O + H2O + Cu =>
2 CuO + C2H6O = 2 CH2O + H2O + 2 Cu
KI + HNO3 + H2SO4 = NO + I2 + H2O + K2SO4 =>
6 KI + 2 HNO3 + 3 H2SO4 = 2 NO + 3 I2 + 4 H2O + 3 K2SO4
Cs2SO4 + Sc4(P2O7)3 = Cs4P2O7 + Sc2(SO4)3 =>
6 Cs2SO4 + Sc4(P2O7)3 = 3 Cs4P2O7 + 2 Sc2(SO4)3
Cu(NO3)2 + KI = CuI + I2 + KNO3 =>
2 Cu(NO3)2 + 4 KI = 2 CuI + I2 + 4 KNO3
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
FeSO4 + KI + KIO3 + H2O = Fe(OH)2 + K2SO4 + I2 =>
3 FeSO4 + 5 KI + KIO3 + 3 H2O = 3 Fe(OH)2 + 3 K2SO4 + 3 I2
FeO + KClO3 + HCl = FeCl3 + KCl + H2O =>
6 FeO + KClO3 + 18 HCl = 6 FeCl3 + KCl + 9 H2O
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Li(s) + FeBr2(g) = LiBr(aq) + Fe(s) =>
2 Li(s) + FeBr2(g) = 2 LiBr(aq) + Fe(s)
Co(OH)3 + KI + HCl = CoCl2 + I2 + KCl + H2O =>
2 Co(OH)3 + 2 KI + 6 HCl = 2 CoCl2 + I2 + 2 KCl + 6 H2O
Na2SiO3 + (NH4)2MoO4 + HNO3 = (NH4)4[SiMo12O40] + NaNO3 + H2O + NO2 =>
Na2SiO3 + 12(NH4)2MoO4 + 142 HNO3 = (NH4)4[SiMo12O40] + 2 NaNO3 + 111 H2O + 160 NO2
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