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3 C6H4OHOH + 4 H2SO4 + Na2Cr2O7 = 3 C6H4O2 + Cr2(SO4)3 + Na2SO4 + 7 H2O
B2S3(s) + H2O = H3BO3(aq) + H2S(g) =>
B2S3(s) + 6 H2O = 2 H3BO3(aq) + 3 H2S(g)
Fe{2+} + H2O + O2 = Fe3O4 + H{+} =>
6 Fe{2+} + 6 H2O + O2 = 2 Fe3O4 + 12 H{+}
SnS + (NH4)2S2 = SnS2 + (NH4)2S =>
SnS + (NH4)2S2 = SnS2 + (NH4)2S
KNO3 + FeBr3 = KBr + Fe(NO3)3 =>
3 KNO3 + FeBr3 = 3 KBr + Fe(NO3)3
Pb(CH3COO)2 + KCl = K(CH3COO) + Pb(Cl)2 =>
Pb(CH3COO)2 + 2 KCl = 2 K(CH3COO) + Pb(Cl)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3CO2H + Ca = Ca(CH3CO2)2 + H2 =>
2 CH3CO2H + Ca = Ca(CH3CO2)2 + H2
Fe9 = Fe12 =>
4 Fe9 = 3 Fe12
MnCl2 + Al = Mn + AlCl3 = =>
3 MnCl2 + 2 Al = 3 Mn + 2 AlCl3
BCl3 + P4 + H2 = BP + HCl =>
4 BCl3 + P4 + 6 H2 = 4 BP + 12 HCl
H2O2 + HCl + KI + NaHSO4 = KCl + HSO4 + H2O + NaI =>
H2O2 + 2 HCl + 2 KI + 2 NaHSO4 = 2 KCl + 2 HSO4 + 2 H2O + 2 NaI
LiCl + H2SO4 = HCl + Li2SO4 =>
2 LiCl + H2SO4 = 2 HCl + Li2SO4
CuSO4 + Zn = ZnCuSO4 =>
CuSO4 + Zn = ZnCuSO4
HClO2 + MgCO3 = HCO3 + MgClO2 =>
HClO2 + MgCO3 = HCO3 + MgClO2
CH(g) + O(g) = CO(g) + HO(l) =>
CH(g) + 2 O(g) = CO(g) + HO(l)
Rb + Sn(SO4)2 = Rb2SO4 + Sn =>
4 Rb + Sn(SO4)2 = 2 Rb2SO4 + Sn
Al + KI = Al2I3 + K =>
2 Al + 3 KI = Al2I3 + 3 K
K3[Cr(OH)6] = KOH + Cr(OH)3 =>
K3[Cr(OH)6] = 3 KOH + Cr(OH)3
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
Cu(NO3)2 + H3PO4 = Cu3(PO4)2 + HNO3 =>
3 Cu(NO3)2 + 2 H3PO4 = Cu3(PO4)2 + 6 HNO3
Mn2O7 + C2H5OH = MnO2 + CO2 + H2O =>
2 Mn2O7 + C2H5OH = 4 MnO2 + 2 CO2 + 3 H2O
PbSO4 + Na2S = PbS + Na2SO4 =>
PbSO4 + Na2S = PbS + Na2SO4
Cu(NO3)2 + H3PO4 = Cu3(PO4)2 + HNO3 =>
3 Cu(NO3)2 + 2 H3PO4 = Cu3(PO4)2 + 6 HNO3
Ca + O2 + H = Ca(OH)2 =>
Ca + O2 + 2 H = Ca(OH)2
CH3COOHKOH = CH3COOKH2O =>
CH3COOHKOH = CH3COOKH2O
BNO3 + Na2CO3 = B2CO3 + NaNO3 =>
2 BNO3 + Na2CO3 = B2CO3 + 2 NaNO3
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
Nb5 + O2 = Nb2O5 =>
4 Nb5 + 25 O2 = 10 Nb2O5
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
Fe2NO3 + KI = Fe2I + KNO3 =>
Fe2NO3 + KI = Fe2I + KNO3
AlCl3 + Na2S = Al2S + NaCl3 =>
2 AlCl3 + Na2S = Al2S + 2 NaCl3
Li + H2O = Li2O + H =>
2 Li + H2O = Li2O + 2 H
H2 + H2WO4 = W + H2O =>
3 H2 + H2WO4 = W + 4 H2O
KCN + CuSO4 = C2N2 + CuCN + K2SO4 =>
4 KCN + 2 CuSO4 = C2N2 + 2 CuCN + 2 K2SO4
HNO3ZnSO4 = HZnSO4NO3 =>
HNO3ZnSO4 = HZnSO4NO3
CrBr3 + NaOH + Cl = NaBrO4 + Na2CrO4 + NaCl + H2O =>
CrBr3 + 32 NaOH + 27 Cl = 3 NaBrO4 + Na2CrO4 + 27 NaCl + 16 H2O
K2SO3 + BaS = K2S + BaSO3 =>
K2SO3 + BaS = K2S + BaSO3
Ba(NO3)2 + I = BaI2 + NO3 =>
Ba(NO3)2 + 2 I = BaI2 + 2 NO3
CH3COOH + FeCl3 = (CH3COO)3Fe + HCl =>
3 CH3COOH + FeCl3 = (CH3COO)3Fe + 3 HCl
Cr2Se3 + K2MnO4 + HI = CrI3 + KI + MnI2 + Se + H2O =>
2 Cr2Se3 + 3 K2MnO4 + 24 HI = 4 CrI3 + 6 KI + 3 MnI2 + 6 Se + 12 H2O
HClO4 + KHCO3 = KClO4 + H2CO3 =>
HClO4 + KHCO3 = KClO4 + H2CO3
C6H14S2 + O2 = CO2 + SO2 + H2O =>
2 C6H14S2 + 23 O2 = 12 CO2 + 4 SO2 + 14 H2O
CO(NH2)2(s) + H2SO4 + H2O = SO4(NH4)2 + CO2 =>
CO(NH2)2(s) + H2SO4 + H2O = SO4(NH4)2 + CO2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
SnCl2 + Cr = Sn + CrCl3 =>
3 SnCl2 + 2 Cr = 3 Sn + 2 CrCl3
NaClO3 + NaI + H2O = NaCl + NaOH + I =>
NaClO3 + 6 NaI + 3 H2O = NaCl + 6 NaOH + 6 I
C12H22O11 + CO2 = C6H8O7 + H2O =>
3 C12H22O11 + 12 CO2 = 8 C6H8O7 + H2O
Al2O3 + HCl = AlCl3(s) + H2O =>
Al2O3 + 6 HCl = 2 AlCl3(s) + 3 H2O
Mg + Cr = MgCr =>
Mg + Cr = MgCr
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