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4 HCO3 + Ca2 = 2 CaCO3 + 2 CO2 + 2 H2O
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
K2Cr2O7 + HCl = O2 + H2O + CrCl2 + KCl =>
K2Cr2O7 + 6 HCl = 2 O2 + 3 H2O + 2 CrCl2 + 2 KCl
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
FeCl3 + K2C2O4 = KFe(C2O4)2 + KCl =>
FeCl3 + 2 K2C2O4 = KFe(C2O4)2 + 3 KCl
(NH4)3PO4 + HNO3 = H3PO4 + (NH4)NO3 =>
(NH4)3PO4 + 3 HNO3 = H3PO4 + 3(NH4)NO3
NiBr2Pb(NO3)2 = Ni(NO3)2PbBr2 =>
NiBr2Pb(NO3)2 = Ni(NO3)2PbBr2
K2Cr2O7 + HCl = KCl + CrCl3 + H2O + Cl2 =>
K2Cr2O7 + 14 HCl = 2 KCl + 2 CrCl3 + 7 H2O + 3 Cl2
HI + HNO3 = NO2 + I + H2O =>
HI + HNO3 = NO2 + I + H2O
BaCO3 + CH3COOH = CO2 + H2O + CH3COOBa =>
8 BaCO3 + 9 CH3COOH = 10 CO2 + 6 H2O + 8 CH3COOBa
FeO4 + ClO3 = Fe + ClO4 =>
FeO4 + 4 ClO3 = Fe + 4 ClO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
AgNO3 + FeSO4 = Ag2SO4 + Fe(NO3)2 =>
2 AgNO3 + FeSO4 = Ag2SO4 + Fe(NO3)2
Sb2O3 + C = CO + Sb =>
Sb2O3 + 3 C = 3 CO + 2 Sb
F2 + Ca(OH)2 = CaF2 + O2 + H2O =>
2 F2 + 2 Ca(OH)2 = 2 CaF2 + O2 + 2 H2O
C4H6 + O2 = CO + H2 =>
C4H6 + 2 O2 = 4 CO + 3 H2
C2H62 + O2 = CO2 + H2O =>
2 C2H62 + 35 O2 = 4 CO2 + 62 H2O
Fe2SO4 + HCl = H2SO4 + FeCl =>
Fe2SO4 + 2 HCl = H2SO4 + 2 FeCl
HI + Li2SO3 = LiI + H2SO3 =>
2 HI + Li2SO3 = 2 LiI + H2SO3
Li + Sn(SO3) = Li(SO3) + Sn =>
Li + Sn(SO3) = Li(SO3) + Sn
Zn + CuS + HCl = ZnS + CuCl + H =>
Zn + CuS + HCl = ZnS + CuCl + H
CH3CH2COONa + O2 = CO2 + Na2CO3 + H2O =>
2 CH3CH2COONa + 7 O2 = 5 CO2 + Na2CO3 + 5 H2O
C3H6(g) + NH3(g) + O2(g) = C3H3N(l) + H2O(g) =>
2 C3H6(g) + 2 NH3(g) + 3 O2(g) = 2 C3H3N(l) + 6 H2O(g)
Fe + V2O3 = Fe2O3 + VO =>
2 Fe + 3 V2O3 = Fe2O3 + 6 VO
Pb(ClO)2 + KI = PbI2 + ClOK =>
Pb(ClO)2 + 2 KI = PbI2 + 2 ClOK
Al + I = Al(III)I(II) =>
Al + 6 I = Al(III)I(II)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Rb + P = Rb3P =>
3 Rb + P = Rb3P
K2Cr2O7 + HCl = O2 + H2O + CrCl2 + KCl =>
K2Cr2O7 + 6 HCl = 2 O2 + 3 H2O + 2 CrCl2 + 2 KCl
NH4NO3 + O2 = NO2 + H2O =>
2 NH4NO3 + 3 O2 = 4 NO2 + 4 H2O
PbS + O2 = PbO + SO2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
ArOH + NaOH = ArONa + H2O =>
ArOH + NaOH = ArONa + H2O
Fe3(SCN)6 + NaOH = Fe(OH)3 + Na + SCN =>
Fe3(SCN)6 + 9 NaOH = 3 Fe(OH)3 + 9 Na + 6 SCN
Na2CO3 + HCN = NaCN + H2CO3 =>
Na2CO3 + 2 HCN = 2 NaCN + H2CO3
Ni + HCl = NiCl2 + H2 =>
Ni + 2 HCl = NiCl2 + H2
Al2(CO3)3 + ZnCl2 = ZnCO3 + AlCl3 =>
Al2(CO3)3 + 3 ZnCl2 = 3 ZnCO3 + 2 AlCl3
CaCO3 + C = CO + CaC2 =>
CaCO3 + 4 C = 3 CO + CaC2
I2O5 + CO = I2 + CO2 =>
I2O5 + 5 CO = I2 + 5 CO2
HNO2 + P2O5 = H3PO4 + N2O3 =>
6 HNO2 + P2O5 = 2 H3PO4 + 3 N2O3
K2Cr2O7 + H2S = Cr2S3 + K2S + S + H2O =>
K2Cr2O7 + 7 H2S = Cr2S3 + K2S + 3 S + 7 H2O
C4H6O2 + NaOH = NaC4H5O2 + H2O =>
C4H6O2 + NaOH = NaC4H5O2 + H2O
P + I = PI3 =>
P + 3 I = PI3
Al(NO3)3 + Cd2C2O4 = Al2(C2O4)3 + CdNO3 =>
2 Al(NO3)3 + 3 Cd2C2O4 = Al2(C2O4)3 + 6 CdNO3
RCOOHNACL = RCOOCLNAH =>
RCOOHNACL = RCOOCLNAH
KMg3AlSi3O10(OH)2 + CaCO3 + SiO2 = Ca2Mg5Si8O22(OH)2 + KAlSi3O8 + CO2 + H2O =>
5 KMg3AlSi3O10(OH)2 + 6 CaCO3 + 24 SiO2 = 3 Ca2Mg5Si8O22(OH)2 + 5 KAlSi3O8 + 6 CO2 + 2 H2O
K2CrO4 + KI + H2SO4 = K2SO4 + I2 + CrSO4 + H2O =>
K2CrO4 + 4 KI + 4 H2SO4 = 3 K2SO4 + 2 I2 + CrSO4 + 4 H2O
C2H6 + O2 = H2O3 + C =>
2 C2H6 + 9 O2 = 6 H2O3 + 4 C
Sr3Al2N4 + Li + AlN + N2 = SrLiAl3N4 =>
2 Sr3Al2N4 + 6 Li + 14 AlN + N2 = 6 SrLiAl3N4
NaI(aq) + Fe(NO3)3(aq) = NaNO3(aq) + FeI3(aq) =>
3 NaI(aq) + Fe(NO3)3(aq) = 3 NaNO3(aq) + FeI3(aq)
H2SO5 + Cu = CuSO4 + H2O =>
H2SO5 + Cu = CuSO4 + H2O
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