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Zn + SO = ZnO + S
MgSO4*7H2O + NaHCO3 = CO2 + H2O + MgCO3 + Na2SO4 =>
MgSO4*7H2O + 2 NaHCO3 = CO2 + 8 H2O + MgCO3 + Na2SO4
CaBr2 + KH2PO4 = CaPO4 + KH2Br2 =>
CaBr2 + KH2PO4 = CaPO4 + KH2Br2
HgCl2 + NH3 = NH2Cl + Hg + HCl =>
HgCl2 + NH3 = NH2Cl + Hg + HCl
NaOCl + HBr = Br2 + H2O + NaCl =>
NaOCl + 2 HBr = Br2 + H2O + NaCl
C4S + O2 = C4 + SO2 =>
C4S + O2 = C4 + SO2
Al(OH)3 + CO2 = Al2(CO3)3 + HOH =>
2 Al(OH)3 + 3 CO2 = Al2(CO3)3 + 3 HOH
ClH + Zn = Cl + ZnH =>
ClH + Zn = Cl + ZnH
Na2SO4(aq) + BaBr2(aq) = NaBr(aq) + BaSO4(s) =>
Na2SO4(aq) + BaBr2(aq) = 2 NaBr(aq) + BaSO4(s)
NiSO4 + Na2CO3 = NiCO3 + Na2SO4(aq) =>
NiSO4 + Na2CO3 = NiCO3 + Na2SO4(aq)
CuSO4 + PbCl2 = CuCl2 + Pb2(SO4)2 =>
2 CuSO4 + 2 PbCl2 = 2 CuCl2 + Pb2(SO4)2
Ca(C2H3O2)2 + LiF = Li(C2H3O2) + CaF2 =>
Ca(C2H3O2)2 + 2 LiF = 2 Li(C2H3O2) + CaF2
Fe + Al2(SO4)3 = Fe(SO4)3 + Al =>
Fe + Al2(SO4)3 = Fe(SO4)3 + 2 Al
C(s) + O2(g) = CO2(s) =>
C(s) + O2(g) = CO2(s)
HCHO + [Ag(NH3)2]OH = Ag + (NH4)2CO2 + H2O + NH3 =>
HCHO + 2[Ag(NH3)2]OH = 2 Ag + (NH4)2CO2 + H2O + 2 NH3
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
FeCl3 + Ca(HO)2 = Fe(OH)3 + CaCl2 =>
2 FeCl3 + 3 Ca(HO)2 = 2 Fe(OH)3 + 3 CaCl2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
BaCl2Cl2 = BaCl4 =>
BaCl2Cl2 = BaCl4
KClO + H2O2 = KClO2 + H2O =>
KClO + H2O2 = KClO2 + H2O
K3PO4 + Na2SO3 = Na3PO4 + K2SO3 =>
2 K3PO4 + 3 Na2SO3 = 2 Na3PO4 + 3 K2SO3
H2S + H{+} + NO3{-} = S8 + NO + H2O =>
24 H2S + 16 H{+} + 16 NO3{-} = 3 S8 + 16 NO + 32 H2O
NH4OH + Cl = NH4Cl + OH =>
NH4OH + Cl = NH4Cl + OH
C6H5NO3 + HCl + Zn = ZnCl2 + H2O + C6H5NH2 =>
C6H5NO3 + 8 HCl + 4 Zn = 4 ZnCl2 + 3 H2O + C6H5NH2
SO2 + H2O = H2SO3 =>
SO2 + H2O = H2SO3
Au + KMnO4 = Au(KMn)3 + O2 =>
Au + 3 KMnO4 = Au(KMn)3 + 6 O2
KI + H2SO4 = H2S + H2O + I2 + K(SO4) =>
4 KI + 5 H2SO4 = H2S + 4 H2O + 2 I2 + 4 K(SO4)
Fe(NO3)3*9H2O + C6H8O7*H2O = Fe2O3 + CO + N2 + H2O =>
2 Fe(NO3)3*9H2O + 5 C6H8O7*H2O = Fe2O3 + 30 CO + 3 N2 + 43 H2O
AlCl3 + NaCH3COO + H2O = Al(OH)2CH3COO + CH3COOH + NaCl =>
AlCl3 + 3 NaCH3COO + 2 H2O = Al(OH)2CH3COO + 2 CH3COOH + 3 NaCl
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
Ca + FeI2 = Fe + CaI2 =>
Ca + FeI2 = Fe + CaI2
H(NO3) + Fe = Fe(NO3)3 + H2 =>
6 H(NO3) + 2 Fe = 2 Fe(NO3)3 + 3 H2
NiCl2 + HNO3 = Ni(NO3)2 + HCl =>
NiCl2 + 2 HNO3 = Ni(NO3)2 + 2 HCl
Zn + Ag2NO3 = Ag + Zn(NO3) =>
Zn + Ag2NO3 = 2 Ag + Zn(NO3)
Ca(HCO3)2(aq) = CaCO3(aq) + H2O(l) + CO2(g) =>
Ca(HCO3)2(aq) = CaCO3(aq) + H2O(l) + CO2(g)
Cu(NO3)2 + NH4OH + NaOH = Cu(NH3)4(OH)2 + NaNO3 + H2O =>
Cu(NO3)2 + 4 NH4OH + 2 NaOH = Cu(NH3)4(OH)2 + 2 NaNO3 + 4 H2O
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
BaS + SnCl = SnS + BaCl =>
BaS + SnCl = SnS + BaCl
KIO3 + KI + HCl = H2O + I2 + KCl =>
KIO3 + 5 KI + 6 HCl = 3 H2O + 3 I2 + 6 KCl
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na2S(aq) + CdSO4(aq) = Na2SO4(aq) + CdS(s) =>
Na2S(aq) + CdSO4(aq) = Na2SO4(aq) + CdS(s)
K2Cr2O7 + H2SO4 + N2H5Cl = K2SO4 + Cr2(SO4)3 + N2 + KCl + H2O =>
4 K2Cr2O7 + 13 H2SO4 + 6 N2H5Cl = K2SO4 + 4 Cr2(SO4)3 + 6 N2 + 6 KCl + 28 H2O
Fe(C2H3O2) + Cu = Fe + Cu(C2H3O2) =>
Fe(C2H3O2) + Cu = Fe + Cu(C2H3O2)
C20H16O4{+2} + HO{-} = C20H12O4{-2} + H2O =>
C20H16O4{+2} + 4 HO{-} = C20H12O4{-2} + 4 H2O
Ca + H2SO4 = CaSO4 + H =>
Ca + H2SO4 = CaSO4 + 2 H
PbCo3 + Ca = CaCo3 + Pb =>
PbCo3 + Ca = CaCo3 + Pb
C6H6N3O2 + C3H8O + OH = C16H11N3O3 + H2O =>
3 C6H6N3O2 + 10 C3H8O + 51 OH = 3 C16H11N3O3 + 58 H2O
Fe{2+} + Cr2O7{2-} + H{+} = Fe{3+} + Cr{3+} + H2O =>
6 Fe{2+} + Cr2O7{2-} + 14 H{+} = 6 Fe{3+} + 2 Cr{3+} + 7 H2O
Fe(OH)3 + NaCl = FeCl3 + NaOH =>
Fe(OH)3 + 3 NaCl = FeCl3 + 3 NaOH
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