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K2Cr2O7 + 3 PbCl2 + 14 HCl = 2 CrCl3 + 3 PbCl4 + 2 KCl + 7 H2O
CaS + K = KCa + S =>
CaS + K = KCa + S
KMnO4(aq) + FeCl2(aq) + HCl(aq) = MnCl2(aq) + FeCl3(aq) + KCl(aq) + H2O(aq) =>
KMnO4(aq) + 5 FeCl2(aq) + 8 HCl(aq) = MnCl2(aq) + 5 FeCl3(aq) + KCl(aq) + 4 H2O(aq)
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
Al + NaNO2 + NaOH + H2O = NaAl(OH)4 + NH3 =>
2 Al + NaNO2 + NaOH + 5 H2O = 2 NaAl(OH)4 + NH3
FeBr2 + K2CO = FeCO + KBr =>
FeBr2 + K2CO = FeCO + 2 KBr
CH3CH(Cl)CH2CH3 + NaOH = CH3CH(OH)CH2CH3 + NaCl =>
CH3CH(Cl)CH2CH3 + NaOH = CH3CH(OH)CH2CH3 + NaCl
LiO + HCl = LiCl + HO =>
LiO + HCl = LiCl + HO
Br2 + FeBr3 = FeBr5 =>
Br2 + FeBr3 = FeBr5
C20H12 + H2O = CO2 + H2 =>
C20H12 + 40 H2O = 20 CO2 + 46 H2
AuS = Au + S =>
AuS = Au + S
HPO4 + H = H3PO4 =>
HPO4 + 2 H = H3PO4
LiO + HCl = LiCl + HO =>
LiO + HCl = LiCl + HO
H2 + SO5 = H2OSO4 =>
H2 + SO5 = H2OSO4
KMnO4 + FeSO4 = KMnSO4 + FeO4 =>
KMnO4 + FeSO4 = KMnSO4 + FeO4
Al(OH)3 + Cl2 = AlCl3 + H2 + O2 =>
2 Al(OH)3 + 3 Cl2 = 2 AlCl3 + 3 H2 + 3 O2
Cu + ZnSO4 = Zn + CuSO4 = =>
Cu + ZnSO4 = Zn + CuSO4
PbO3 + HI = I2 + PbI2 + H2O =>
PbO3 + 6 HI = 2 I2 + PbI2 + 3 H2O
MS4 + H2 = MH2 + S2H =>
MS4 + 2 H2 = MH2 + 2 S2H
Al(s) + FeSO4(aq) = Al2(SO4)3(aq) + Fe(s) =>
2 Al(s) + 3 FeSO4(aq) = Al2(SO4)3(aq) + 3 Fe(s)
LiO + HCl = LiCl + HO =>
LiO + HCl = LiCl + HO
BaCl2 + NH4F = BaF2 + NH4Cl =>
BaCl2 + 2 NH4F = BaF2 + 2 NH4Cl
NaHCO3 + HCI = NaCI + H2O + CO2 =>
NaHCO3 + HCI = NaCI + H2O + CO2
LiO + HCl = LiCl + HO =>
LiO + HCl = LiCl + HO
(Ag2SO4) + NaCl = (Na2SO4) + AgCl =>
(Ag2SO4) + 2 NaCl = (Na2SO4) + 2 AgCl
AgCl + CaCl2 = AgCl2CaCl =>
AgCl + CaCl2 = AgCl2CaCl
FeO + CuSO4 + H2SO4 = Fe2(SO4)3 + Cu + H2O =>
2 FeO + CuSO4 + 2 H2SO4 = Fe2(SO4)3 + Cu + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH3CH2CHCH2 + HCl = CH3CH2CH2Cl =>
3 CH3CH2CHCH2 + 4 HCl = 4 CH3CH2CH2Cl
Pb + AgNO3(aq) = Pb(NO3)2(aq) + Ag =>
Pb + 2 AgNO3(aq) = Pb(NO3)2(aq) + 2 Ag
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
SrBr2 + (NH4)2CO3 = SrCO3 + NH4Br =>
SrBr2 + (NH4)2CO3 = SrCO3 + 2 NH4Br
Cs(s) + HBr(aq) = CsBr(aq) + H2(g) =>
2 Cs(s) + 2 HBr(aq) = 2 CsBr(aq) + H2(g)
HN3 + H2O = N3 + H3O =>
HN3 + H2O = N3 + H3O
KI + K2Cr2O7 = K4Cr2O7 + I2 =>
2 KI + K2Cr2O7 = K4Cr2O7 + I2
MoO3 + S = MoO2 + SO2 =>
2 MoO3 + S = 2 MoO2 + SO2
LiO + HCl = LiCl + HO =>
LiO + HCl = LiCl + HO
CH3COOH + HOCH2CH2CH3 = CH3CH2CO2CH2CH2CH3 + H2O =>
3 CH3COOH + 4 HOCH2CH2CH3 = 3 CH3CH2CO2CH2CH2CH3 + 4 H2O
CaBr + AlCl3 = BrAl + CaCl3 =>
CaBr + AlCl3 = BrAl + CaCl3
CaCrO4 + AgNO3 = Ag2(CrO4) + Ca(NO3)2 =>
CaCrO4 + 2 AgNO3 = Ag2(CrO4) + Ca(NO3)2
Fe(NH4)2(SO4)2*6H2O + H2O2 + H2C2O4 + K2C2O4 = (NH4)2SO4 + H2O + H2SO4 + K3Fe(C2O4)3*4H2O =>
2 Fe(NH4)2(SO4)2*6H2O + H2O2 + 3 H2C2O4 + 3 K2C2O4 = 2(NH4)2SO4 + 6 H2O + 2 H2SO4 + 2 K3Fe(C2O4)3*4H2O
Cr2O7{-2} + H2S + H{+} = Cr({+3)+S+H2O =>
Cr2O7{-2} + 3 H2S + 8 H{+} = 2 Cr({+3)+3S+7H2O
Na2SO3 + KBrO3 + H2SO4 = Br2 + Na2SO4 + K2SO4 + H2O =>
5 Na2SO3 + 2 KBrO3 + H2SO4 = Br2 + 5 Na2SO4 + K2SO4 + H2O
CN + Au(NO3)3 = Au(CN)3 + NO3 =>
3 CN + Au(NO3)3 = Au(CN)3 + 3 NO3
(CH3NH3)2SO4 + NaOH = CH3NH2 + Na2SO4 + H2O =>
(CH3NH3)2SO4 + 2 NaOH = 2 CH3NH2 + Na2SO4 + 2 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
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