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Pb + Na2S = PbS + 2 Na
H2 + NaOH = NaH + H2O =>
H2 + NaOH = NaH + H2O
K2CO3 + H2SO4 = K2S2O3 + H2CO3 + H2O + O2 =>
K2CO3 + 2 H2SO4 = K2S2O3 + H2CO3 + H2O + 2 O2
MnPO3 + CsIO3 = Mn(IO3)3 + Cs3PO3 =>
MnPO3 + 3 CsIO3 = Mn(IO3)3 + Cs3PO3
Sn + NaNO3 = SnNO3 + Na =>
Sn + NaNO3 = SnNO3 + Na
LiNO3 + HCl = LiCl + HNO3 =>
LiNO3 + HCl = LiCl + HNO3
Hg(NO3)2 + KJ = HgJ2 + KNO3 =>
Hg(NO3)2 + 2 KJ = HgJ2 + 2 KNO3
HCO3{-} + H{+} = H2O(l) + CO2 =>
HCO3{-} + H{+} = H2O(l) + CO2
HI + ZnO = ZnI2H2O =>
2 HI + ZnO = ZnI2H2O
CaCO3 + H3PO4 = CaHPO4 + H2CO3 =>
CaCO3 + H3PO4 = CaHPO4 + H2CO3
HBrO4 = H + BrO4 =>
HBrO4 = H + BrO4
Ca(OH)2 + NaNO3 = Ca(NO3)2 + Na(OH) =>
Ca(OH)2 + 2 NaNO3 = Ca(NO3)2 + 2 Na(OH)
K2Cr2O7 + H2S + NaOH + H2O = K3[Cr(OH)6] + S + Na2Cr2O7 =>
3 K2Cr2O7 + 3 H2S + 4 NaOH + H2O = 2 K3[Cr(OH)6] + 3 S + 2 Na2Cr2O7
C2H3OOH + NaOH = C2H3OONa + H2O =>
C2H3OOH + NaOH = C2H3OONa + H2O
Sb + Br2 = SbBr2 =>
Sb + Br2 = SbBr2
NaBiO3 + MnSO4 + H2SO4 = Na2SO4 + HMnO4 + Bi2(SO4)3 + H2O =>
10 NaBiO3 + 4 MnSO4 + 16 H2SO4 = 5 Na2SO4 + 4 HMnO4 + 5 Bi2(SO4)3 + 14 H2O
CrOH3 + HClO4 + KOH = K2CrO4 + KCl + H2O =>
8 CrOH3 + 7 HClO4 + 23 KOH = 8 K2CrO4 + 7 KCl + 27 H2O
V + HCl = VCl4 + H2 =>
V + 4 HCl = VCl4 + 2 H2
Al2S3 + PbBr4 = AlBr3 + PbS2 =>
2 Al2S3 + 3 PbBr4 = 4 AlBr3 + 3 PbS2
TiO2 + KOH = K2TiO3 + H2O =>
TiO2 + 2 KOH = K2TiO3 + H2O
H{+} + Cr2O7{-2} + HSO3{-} = Cr{3+} + SO4{2-} + H2O =>
5 H{+} + Cr2O7{-2} + 3 HSO3{-} = 2 Cr{3+} + 3 SO4{2-} + 4 H2O
FeBr3 = FeBr2 + Br2 =>
2 FeBr3 = 2 FeBr2 + Br2
Co2O3 = CoO + O2 =>
2 Co2O3 = 4 CoO + O2
K2(CrO4) + Ag(No3) = Ag2(CrO4) + K(No3) =>
K2(CrO4) + 2 Ag(No3) = Ag2(CrO4) + 2 K(No3)
NH4OH + O2 = HNO2 + H2O =>
2 NH4OH + 3 O2 = 2 HNO2 + 4 H2O
Ni + H3PO4 = Ni3PO4 + H2 =>
6 Ni + 2 H3PO4 = 2 Ni3PO4 + 3 H2
Fe(s) + HSO4(aq) = Fe3SO4 + H2(g) =>
6 Fe(s) + 2 HSO4(aq) = 2 Fe3SO4 + H2(g)
Ga + I2 = GaI2 =>
Ga + I2 = GaI2
FeO + SiO2 = FeSiO3 =>
FeO + SiO2 = FeSiO3
SbF5 = Sb + F2 =>
2 SbF5 = 2 Sb + 5 F2
WCl6 + H2O = WO3 + HCl =>
WCl6 + 3 H2O = WO3 + 6 HCl
LiOH + NH4Br = LiBr + NH4OH =>
LiOH + NH4Br = LiBr + NH4OH
Br + KF = KBr + F =>
Br + KF = KBr + F
S2O3{2-} + OCl{-} + H2O = SO4{2-} + Cl2 + OH{-} =>
S2O3{2-} + 8 OCl{-} + 3 H2O = 2 SO4{2-} + 4 Cl2 + 6 OH{-}
C3H7OH + KMnO4 + H2SO4 = C2H5COOH + MnSO4 + K2SO4 + H2O =>
5 C3H7OH + 4 KMnO4 + 6 H2SO4 = 5 C2H5COOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
NaClO3 + C6H12O6 = NaCl + CO2 + H2O =>
4 NaClO3 + C6H12O6 = 4 NaCl + 6 CO2 + 6 H2O
FeS2 + HBr = FeBr2 + HS =>
FeS2 + 2 HBr = FeBr2 + 2 HS
C6H12O6 = C3H8O + CO2 + H2O =>
3 C6H12O6 = 4 C3H8O + 6 CO2 + 2 H2O
Mg + B = MgB2 =>
Mg + 2 B = MgB2
CuSO4 + CaO + H2O = Cu(OH)2 + CaSO4 =>
CuSO4 + CaO + H2O = Cu(OH)2 + CaSO4
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
ZnS + KOH = K2S + Zn(OH)2 =>
ZnS + 2 KOH = K2S + Zn(OH)2
Hg(SCN)2 + KSCN = K2Hg(SCN)4 =>
Hg(SCN)2 + 2 KSCN = K2Hg(SCN)4
H2(g) + CO(g) = CH3OH =>
2 H2(g) + CO(g) = CH3OH
K2SO4(aq) + Al(s) = Al2(SO4)3(aq) + K(s) =>
3 K2SO4(aq) + 2 Al(s) = Al2(SO4)3(aq) + 6 K(s)
Mg + CO + O2 = MgCO3 =>
Mg + CO + O2 = MgCO3
V + HCl = VCl5 + H2 =>
2 V + 10 HCl = 2 VCl5 + 5 H2
Xe + Fe2 = XeFe4 =>
Xe + 2 Fe2 = XeFe4
C2H5Cl + NaOH = C2H5OH + NaCl =>
C2H5Cl + NaOH = C2H5OH + NaCl
P + CuO = P2O5 + Cu =>
2 P + 5 CuO = P2O5 + 5 Cu
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