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3 P = P3
Al + Fe = AlFe3 =>
Al + 3 Fe = AlFe3
Au + H2O = Au2O3 + H2 =>
2 Au + 3 H2O = Au2O3 + 3 H2
C4H11NO3 + HCl = H2O + C4H10NO2Cl =>
C4H11NO3 + HCl = H2O + C4H10NO2Cl
CaO + KOH = CaH + O2K =>
CaO + KOH = CaH + O2K
HBr + CaBr = H + CaBr2 =>
HBr + CaBr = H + CaBr2
MgFe2O3 = Fe2MgO3 =>
MgFe2O3 = Fe2MgO3
HBr + CaBr = H + CaBr2 =>
HBr + CaBr = H + CaBr2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
NaClO + KI + H2SO4 = I2 + NaCl + K2SO4 + H2O =>
NaClO + 2 KI + H2SO4 = I2 + NaCl + K2SO4 + H2O
Cr + H2O2 = Cr2O7 + H =>
4 Cr + 7 H2O2 = 2 Cr2O7 + 14 H
MgCl2 + KF = MgF2 + KCl =>
MgCl2 + 2 KF = MgF2 + 2 KCl
C3H4N2 + HCl = C3H4N2HCl =>
C3H4N2 + HCl = C3H4N2HCl
Cr2O7{2-} + C2H4O + H{+} = CH3COOH + Cr{3+} + H2O =>
Cr2O7{2-} + 3 C2H4O + 8 H{+} = 3 CH3COOH + 2 Cr{3+} + 4 H2O
KCr2O7 + H2SO4 + C2H5OH = C2H4O2 + Cr2(SO4)3 + H2O + K2SO4 =>
4 KCr2O7 + 14 H2SO4 + 7 C2H5OH = 7 C2H4O2 + 4 Cr2(SO4)3 + 21 H2O + 2 K2SO4
K2S + H2O = KOH + KSH =>
K2S + H2O = KOH + KSH
CH3CHO + H2 = C2H5OH =>
CH3CHO + H2 = C2H5OH
Al + HCl = Al2Cl5 + H2 =>
4 Al + 10 HCl = 2 Al2Cl5 + 5 H2
H3PO4 + C = P + CO + H2O =>
2 H3PO4 + 5 C = 2 P + 5 CO + 3 H2O
Ca + H3AsO4 = Ca3(AsO4)2 + As2O3 + H2O =>
6 Ca + 10 H3AsO4 = 2 Ca3(AsO4)2 + 3 As2O3 + 15 H2O
Pr2 + SO4 = Pr2(SO4)3 =>
Pr2 + 3 SO4 = Pr2(SO4)3
Al + Ca = Al2Ca3 =>
2 Al + 3 Ca = Al2Ca3
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
Cu(NH3)4 + Na2S = CuS + NaNH3 + NH3 =>
Cu(NH3)4 + Na2S = CuS + 2 NaNH3 + 2 NH3
AgNO3 + H2S = AgS + NO3H2 =>
AgNO3 + H2S = AgS + NO3H2
Ag + H3Po4 = Ag3Po4 + H2 =>
6 Ag + 2 H3Po4 = 2 Ag3Po4 + 3 H2
ZnSO4 + Na2CO3 + H2O = Na2SO4 + CO2 + (ZnOH)2CO3 =>
2 ZnSO4 + 2 Na2CO3 + H2O = 2 Na2SO4 + CO2 + (ZnOH)2CO3
SiH2Cl2 + H2O = H2SiO + HCl =>
SiH2Cl2 + H2O = H2SiO + 2 HCl
Fe + Pb(CN)2 = Pb + Fe(CN)3 =>
2 Fe + 3 Pb(CN)2 = 3 Pb + 2 Fe(CN)3
Fe2 + H2O2 = Fe(OH)3 =>
Fe2 + 3 H2O2 = 2 Fe(OH)3
Mn3O4 + H2 = Mn + H2O =>
Mn3O4 + 4 H2 = 3 Mn + 4 H2O
Na2ZnO2 + HNO3 = Zn(OH)2 + NaNO3 =>
Na2ZnO2 + 2 HNO3 = Zn(OH)2 + 2 NaNO3
Ca(HO)2 + H3PO4 = Ca3(PO4)2 + HOH =>
3 Ca(HO)2 + 2 H3PO4 = Ca3(PO4)2 + 6 HOH
Ca + HC1 = CaC2 + H2 =>
Ca + 2 HC1 = CaC2 + H2
FeCl3 + NaI = FeI2 + I2 + NaCl =>
2 FeCl3 + 6 NaI = 2 FeI2 + I2 + 6 NaCl
Ba(OH)2 + HF = Ba(F)2 + H2O =>
Ba(OH)2 + 2 HF = Ba(F)2 + 2 H2O
PbCrO4HNO3 = Pb(NO3)2H2OPbCr2O7 =>
2 PbCrO4HNO3 = Pb(NO3)2H2OPbCr2O7
CH4 + C2H2 = C2H6 =>
4 CH4 + C2H2 = 3 C2H6
FeCl2(aq) + NaF(aq) = NaCl + FeF2 =>
FeCl2(aq) + 2 NaF(aq) = 2 NaCl + FeF2
Mn2{+} + IO4{-} + H2O = MnO4{-} + IO3{-} + H{+} =>
2 Mn2{+} + 13 IO4{-} + 3 H2O = 4 MnO4{-} + 13 IO3{-} + 6 H{+}
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
Co2 + Ca(OH)2 = CaCo3 + OH =>
3 Co2 + 2 Ca(OH)2 = 2 CaCo3 + 4 OH
Co(ClO3)2 + Fe = Co + Fe(ClO3)3 =>
3 Co(ClO3)2 + 2 Fe = 3 Co + 2 Fe(ClO3)3
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
K2O + HNO2 = KNO2 + H2O =>
K2O + 2 HNO2 = 2 KNO2 + H2O
FeU3 + H2S = FeU2 + S + HU =>
2 FeU3 + H2S = 2 FeU2 + S + 2 HU
H2SiF6 + NaCl = Na2SiF6 + HCl =>
H2SiF6 + 2 NaCl = Na2SiF6 + 2 HCl
RaCO3 = RaO + CO2 =>
RaCO3 = RaO + CO2
C(s) + CO2(g) = CO(g) =>
C(s) + CO2(g) = 2 CO(g)
Al(OH)3 + N2O5 = Al(OH)3N2O5 =>
Al(OH)3 + N2O5 = Al(OH)3N2O5
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