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2 Pb + Fe = Pb2Fe
Na2[Zn(OH)4] + H2S = Zn(OH)2 + NaHS + H2O =>
Na2[Zn(OH)4] + 2 H2S = Zn(OH)2 + 2 NaHS + 2 H2O
FeCO3 + HCl = FeCl2 + H2CO3 =>
FeCO3 + 2 HCl = FeCl2 + H2CO3
Al + HNO3 = Al(OH)4 + NO2 =>
Al + 4 HNO3 = Al(OH)4 + 4 NO2
CoCl2 + NH4SCN = (NH4)4[Co(SCN)6] + NH4Cl =>
CoCl2 + 6 NH4SCN = (NH4)4[Co(SCN)6] + 2 NH4Cl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
C3H7OH + CH3COOH = CH3COOC4H9 + H2O =>
4 C3H7OH + 3 CH3COOH = 3 CH3COOC4H9 + 4 H2O
Ag2S + HNO3 + HCl = S2 + AgCl + NO + H2O =>
6 Ag2S + 4 HNO3 + 12 HCl = 3 S2 + 12 AgCl + 4 NO + 8 H2O
CaO + H{+} = Ca{+2} + H2O =>
CaO + 2 H{+} = Ca{+2} + H2O
KOH + CaCO3 = K2CO3 + Ca(OH)2 =>
2 KOH + CaCO3 = K2CO3 + Ca(OH)2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2CO3 + LiNO3 = NaNO3 + Li2CO3 =>
Na2CO3 + 2 LiNO3 = 2 NaNO3 + Li2CO3
Pb + H3PO4 = H2 + Pb3(PO4)2 =>
3 Pb + 2 H3PO4 = 3 H2 + Pb3(PO4)2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
NaHCO3 + C6H8O7 = H2O + CO2 + NaH2C3H5O(COO)3 =>
NaHCO3 + C6H8O7 = H2O + CO2 + NaH2C3H5O(COO)3
HNO2 + Cd(OH)2 = H2O + Cd(NO2)2 =>
2 HNO2 + Cd(OH)2 = 2 H2O + Cd(NO2)2
KMnO4 + H2SO4 + NaNO3 = KNO3 + NaMn + SO6 + H2 =>
KMnO4 + 2 H2SO4 + NaNO3 = KNO3 + NaMn + 2 SO6 + 2 H2
C6H5CHO + NaHSO3 = C6H5COH2SO3 + Na =>
C6H5CHO + NaHSO3 = C6H5COH2SO3 + Na
K(OH) + Fe(NO3)3 = K(NO3) + Fe(OH)3 =>
3 K(OH) + Fe(NO3)3 = 3 K(NO3) + Fe(OH)3
N2O5 + H2SO4 = N2SO4 + H2O5 =>
N2O5 + H2SO4 = N2SO4 + H2O5
CU(OH)2 + HCl = CUCl(OH) + H2O =>
CU(OH)2 + HCl = CUCl(OH) + H2O
H2O2 = O2 + H2O =>
2 H2O2 = O2 + 2 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg(OH)2(aq) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
AgNO3 + Na2SO4 = Ag2SO4 + NaNO3 =>
2 AgNO3 + Na2SO4 = Ag2SO4 + 2 NaNO3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ti(s) + F2 = TiF4(s) =>
Ti(s) + 2 F2 = TiF4(s)
Ca(HO)2 + HCl = CaCl2 + H2O =>
Ca(HO)2 + 2 HCl = CaCl2 + 2 H2O
NO2 + H2O = NH3 + O2 =>
4 NO2 + 6 H2O = 4 NH3 + 7 O2
Pb + AuCl = PbCl2 + Au =>
Pb + 2 AuCl = PbCl2 + 2 Au
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CH3Br + NH3 = CH2NH4 + Br2 =>
2 CH3Br + 2 NH3 = 2 CH2NH4 + Br2
Nonane + Hydrogen = Propane =>
C9H20 + 2 H2 = 3 C3H8
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
NH4OH = NH3H2O =>
NH4OH = NH3H2O
C4H9Br + HBr = Br2 + C4H10 =>
C4H9Br + HBr = Br2 + C4H10
C16H34 + O2 = C2O + H2O =>
2 C16H34 + 25 O2 = 16 C2O + 34 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
CaCl + KPO4 = KCl + Ca(PO4) =>
CaCl + KPO4 = KCl + Ca(PO4)
CH3CH2CH2OH + O = CH3CH2COH + H2O =>
CH3CH2CH2OH + O = CH3CH2COH + H2O
Au + Br = AuBr =>
Au + Br = AuBr
CaOCl2 = Ca(ClO3)2 + CaCl2 =>
6 CaOCl2 = Ca(ClO3)2 + 5 CaCl2
H2SeO4 + Ba = BaSeO4 + H2 =>
H2SeO4 + Ba = BaSeO4 + H2
BaCl2(aq) + (NH4)2HPO4(aq) + NH3(aq) = Ba3(PO4)2(s) + NH4Cl(aq) =>
3 BaCl2(aq) + 2(NH4)2HPO4(aq) + 2 NH3(aq) = Ba3(PO4)2(s) + 6 NH4Cl(aq)
Sn + AgNO3 = Sn(NO3)2 + Ag =>
Sn + 2 AgNO3 = Sn(NO3)2 + 2 Ag
AlBr3 + Na3PO4 = AlPO4 + NaBr =>
AlBr3 + Na3PO4 = AlPO4 + 3 NaBr
C8H8O3 + NaOH = C7H4O3Na2 + CH3OH + H2O =>
C8H8O3 + 2 NaOH = C7H4O3Na2 + CH3OH + H2O
HBr + Ba(NO3)2 = BaBr2 + HNO3 =>
2 HBr + Ba(NO3)2 = BaBr2 + 2 HNO3
Cu2S + O2 = CuO + SO2 =>
Cu2S + 2 O2 = 2 CuO + SO2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
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