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4 FeSO4 + O2 = 4 SO3 + 2 Fe2O3
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
MnSO4 + PbO2 + HNO3 = Pb(NO3)2 + PbSO4 + H2O + HMnO4 =>
2 MnSO4 + 5 PbO2 + 6 HNO3 = 3 Pb(NO3)2 + 2 PbSO4 + 2 H2O + 2 HMnO4
K3PO4 + Sr(NO3)2 = KNO3 + Sr3(PO4)2 =>
2 K3PO4 + 3 Sr(NO3)2 = 6 KNO3 + Sr3(PO4)2
NH4Cl(aq) + Pb(NO3)2(aq) = PbCl2(s) + NH4NO3(aq) =>
2 NH4Cl(aq) + Pb(NO3)2(aq) = PbCl2(s) + 2 NH4NO3(aq)
Ba(s) + N2(g) = BaN =>
2 Ba(s) + N2(g) = 2 BaN
H2O + CO2 = H2CO3 =>
H2O + CO2 = H2CO3
CuCl2 + Pb(OH)4 = Cu(OH)2 + PbCl4 =>
2 CuCl2 + Pb(OH)4 = 2 Cu(OH)2 + PbCl4
Ca6Si6O17(OH)2 = CaSiO3 + H2O =>
Ca6Si6O17(OH)2 = 6 CaSiO3 + H2O
Mg(HCO3)2 + Ca(OH)2 = MgCO3 + CaCO3 + H2O =>
Mg(HCO3)2 + Ca(OH)2 = MgCO3 + CaCO3 + 2 H2O
Fe(NO3)3(aq)NaOH(aq) = FeOH(s)Na(NO3)3(aq) =>
Fe(NO3)3(aq)NaOH(aq) = FeOH(s)Na(NO3)3(aq)
PbO2 + Pb + H2SO4 = Pb(SO4) + H2O =>
PbO2 + Pb + 2 H2SO4 = 2 Pb(SO4) + 2 H2O
Cd + I = CdI4 =>
Cd + 4 I = CdI4
Ca(aq)Fe(s) = CaFe =>
Ca(aq)Fe(s) = CaFe
HCINaOH = HOHCINa =>
HCINaOH = HOHCINa
Fe + NH4SCN = Fe(SCN) + NH4 =>
Fe + NH4SCN = Fe(SCN) + NH4
Zn + NaOH + H2O = Na2Zn[OH]4 + H2 =>
Zn + 2 NaOH + 2 H2O = Na2Zn[OH]4 + H2
Fe + CuCl2 = FeCl2 + Cu4 =>
4 Fe + 4 CuCl2 = 4 FeCl2 + Cu4
Sr(NO3)2 + NaCl = SrCl2 + Na(NO3) =>
Sr(NO3)2 + 2 NaCl = SrCl2 + 2 Na(NO3)
MgCu(aq) = MgCu =>
MgCu(aq) = MgCu
K2(CO3) + Ca(C2H3O2)2 = K2(C2H3O2)2 + CaCO3 =>
K2(CO3) + Ca(C2H3O2)2 = K2(C2H3O2)2 + CaCO3
Br + CaI2 = CaBr + I =>
Br + CaI2 = CaBr + 2 I
KI + Na2S2O4 = K2S2O4 + NaI =>
2 KI + Na2S2O4 = K2S2O4 + 2 NaI
Pb(NO3)2 + HI = PbI2 + NO3H =>
Pb(NO3)2 + 2 HI = PbI2 + 2 NO3H
Ca6Si6O17(OH)2 = CaSiO3 + H2O =>
Ca6Si6O17(OH)2 = 6 CaSiO3 + H2O
HCOOH + H2CO3 = HCOOH3 + CO3 =>
HCOOH + H2CO3 = HCOOH3 + CO3
AlINaP = AlPNaI =>
AlINaP = AlPNaI
HBrSr = SrBrH =>
HBrSr = SrBrH
Rb + I2 = RbI2 =>
Rb + I2 = RbI2
Cu(OH)2(aq) + HClO4(aq) = Cu(ClO4)2 + H2O =>
Cu(OH)2(aq) + 2 HClO4(aq) = Cu(ClO4)2 + 2 H2O
Bi(NO3)3 + CS(NH2)2 = Bi(CS(NH2)2)3(NO3)3 =>
Bi(NO3)3 + 3 CS(NH2)2 = Bi(CS(NH2)2)3(NO3)3
Zn + N2 = Zn3N22 =>
3 Zn + 11 N2 = Zn3N22
S + NaOH = Na2SO3 + Na2S + H2O =>
3 S + 6 NaOH = Na2SO3 + 2 Na2S + 3 H2O
FeCl3 + Ag(NO3) = AgCl + Fe(NO3)3 =>
FeCl3 + 3 Ag(NO3) = 3 AgCl + Fe(NO3)3
NaHCO3(s) + HCl(aq) = NaCl + H2O + CO2 =>
NaHCO3(s) + HCl(aq) = NaCl + H2O + CO2
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
HOCH2CH(OH)CH2OH + O2 = HO2CCH(OH)CO2H + H2O =>
HOCH2CH(OH)CH2OH + 2 O2 = HO2CCH(OH)CO2H + 2 H2O
C3H7NH2HCl = C3H7NH3Cl =>
C3H7NH2HCl = C3H7NH3Cl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe(OH)3 + KOH = K3Fe(OH)6 =>
Fe(OH)3 + 3 KOH = K3Fe(OH)6
(NH4)2Co3(aq) + NaOH(aq) = Na2Co3(aq) + NH3(g) + H2O(l) =>
(NH4)2Co3(aq) + 2 NaOH(aq) = Na2Co3(aq) + 2 NH3(g) + 2 H2O(l)
CH3CH2OHBF3 = CH3CH2OFHBF2 =>
CH3CH2OHBF3 = CH3CH2OFHBF2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
MgBr2Cu(NO3)2 = Mg(NO3)2CuBr2 =>
MgBr2Cu(NO3)2 = Mg(NO3)2CuBr2
SrCl2 + H3PO4 = Sr3(PO4)2 + HCl =>
3 SrCl2 + 2 H3PO4 = Sr3(PO4)2 + 6 HCl
H2CO3 + Sr(OH)2 = H2O + SrCO3 =>
H2CO3 + Sr(OH)2 = 2 H2O + SrCO3
HXY = XHY =>
HXY = XHY
BaHCO3 + HNO3 = BaNO3 + CO2 + H2O =>
BaHCO3 + HNO3 = BaNO3 + CO2 + H2O
Sb2S3 + NH3 + H2O2 = (NH4)4Sb2O7 + (NH4)2S2O7 + H2O =>
2 Sb2S3 + 14 NH3 + 28 H2O2 = 2(NH4)4Sb2O7 + 3(NH4)2S2O7 + 21 H2O
Ag + Ca(NO3)2 = Ca + AgNO3 =>
2 Ag + Ca(NO3)2 = Ca + 2 AgNO3
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