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2 NaOH(ac) + (COOH)2(ac) = Na2C2O4(ac) + 2 H2O(l)
Cu + Fe(SO3)3 = CuSO3 + Fe =>
3 Cu + Fe(SO3)3 = 3 CuSO3 + Fe
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
H3PO4 + NH3 + MgCl2 + H2O = MgNH4(PO4)*6H2O + NH4Cl =>
H3PO4 + 3 NH3 + MgCl2 + 6 H2O = MgNH4(PO4)*6H2O + 2 NH4Cl
Ca + MgCl2 = Mg + CaCl2 =>
Ca + MgCl2 = Mg + CaCl2
C7H8 + SO4 + H2 = HCO3 + H2S =>
4 C7H8 + 21 SO4 + 19 H2 = 28 HCO3 + 21 H2S
Na2CO3 + Re = NaReO4 + C + Na2O =>
7 Na2CO3 + 4 Re = 4 NaReO4 + 7 C + 5 Na2O
Na2WO4 + W2P2O11 + WO3 = Na4W8P4O32 + O2 =>
2 Na2WO4 + 2 W2P2O11 + 2 WO3 = Na4W8P4O32 + 2 O2
Al2(SO4)3 + H2O = Al(OH)3 + SO4 + H =>
Al2(SO4)3 + 6 H2O = 2 Al(OH)3 + 3 SO4 + 6 H
Pb1(N1O3)2 + Na1Cl1 = NaNO3 + PbCl2 =>
Pb1(N1O3)2 + 2 Na1Cl1 = 2 NaNO3 + PbCl2
CaCO3 + CH3COOH = Ca(CH3COO)2 + H2O + CO2 =>
CaCO3 + 2 CH3COOH = Ca(CH3COO)2 + H2O + CO2
NaHSO3 + H2CrO4 + HCl = Cr2(SO4)3 + NaCl + H2O =>
3 NaHSO3 + 2 H2CrO4 + 3 HCl = Cr2(SO4)3 + 3 NaCl + 5 H2O
C19H22O6 + H2O = C15H24O + C6H8O7 =>
111 C19H22O6 + 359 H2O = 87 C15H24O + 134 C6H8O7
LiAlH4 + HI = LiI + AlI3 + H2 =>
LiAlH4 + 4 HI = LiI + AlI3 + 4 H2
Al(NO3)3 + K2(CO3) = Al2(CO3)3 + KNO3 =>
2 Al(NO3)3 + 3 K2(CO3) = Al2(CO3)3 + 6 KNO3
Ba(ClO4)2 + K3PO4 = Ba3(PO4)2 + KClO4 =>
3 Ba(ClO4)2 + 2 K3PO4 = Ba3(PO4)2 + 6 KClO4
U2V = U + V =>
U2V = 2 U + V
CuSO4 + NaHCO3 = CuCO3*Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = CuCO3*Cu(OH)2 + 2 Na2SO4 + 3 CO2 + H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
HgO + K2CrO4 = K2O + HgCrO4 =>
HgO + K2CrO4 = K2O + HgCrO4
MgCl2 + K3(PO4)1 = Mg3(PO4)2 + KCl =>
3 MgCl2 + 2 K3(PO4)1 = Mg3(PO4)2 + 6 KCl
Mg + Fl2 = MgFl2 =>
Mg + Fl2 = MgFl2
H2SO4 + CaCO3 = H2CO3 + SO4{2-} + Ca{2+} =>
H2SO4 + CaCO3 = H2CO3 + SO4{2-} + Ca{2+}
Sn + HCl = Cl2Sn + H =>
Sn + 2 HCl = Cl2Sn + 2 H
CaAl2SiO6 + Mg + SiO + H2O = CaMgSi2O6 + MgAl2O4 + H2 =>
CaAl2SiO6 + 2 Mg + SiO + 3 H2O = CaMgSi2O6 + MgAl2O4 + 3 H2
C + H2 = CH4 =>
C + 2 H2 = CH4
FeI2 + NaOH = Fe(OH)2 + NaI =>
FeI2 + 2 NaOH = Fe(OH)2 + 2 NaI
HN3 = N2 + NH3 =>
3 HN3 = 4 N2 + NH3
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
KOH + COCl2 + KClO3 = CO2O3 + KCl + HOH =>
2 KOH + COCl2 + KClO3 = CO2O3 + 3 KCl + HOH
BB3 + H2O = BH + O =>
BB3 + 2 H2O = 4 BH + 2 O
SCN{-} + MnO4{-} + H{+} = OCN{-} + SO4{2-} + Mn{2+} + H2O =>
5 SCN{-} + 8 MnO4{-} + 14 H{+} = 5 OCN{-} + 5 SO4{2-} + 8 Mn{2+} + 7 H2O
SnBr2 + Mg = MgBr2 + Sn =>
SnBr2 + Mg = MgBr2 + Sn
KMnO4 + HN02 + H2SO4 = K2SO4 + MnSO4 + HNO3 + H2O =>
22 KMnO4 + 10 HN02 + 33 H2SO4 = 11 K2SO4 + 22 MnSO4 + 20 HNO3 + 28 H2O
HNO3 + NH3 = NO3{-} + NH4{+} =>
HNO3 + NH3 = NO3{-} + NH4{+}
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO(g) + H2O(g) =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(g)
Sb4O6 + C2 = Sb + C2O4 =>
2 Sb4O6 + 3 C2 = 8 Sb + 3 C2O4
Cl{2} + NaBr = NaCl + Br{2} =>
Cl{2} + NaBr = NaCl + Br{2}
Al(OH)3 + Ca3N2 = AlN + Ca(OH)2 =>
2 Al(OH)3 + Ca3N2 = 2 AlN + 3 Ca(OH)2
NH2OH + Ag{+} + NO3{-} = Ag + N2O + H2O =>
10 NH2OH + 4 Ag{+} + 4 NO3{-} = 4 Ag + 7 N2O + 15 H2O
CuO(s) + HCl(aq) = CuCl2(aq) + H2O(l) =>
CuO(s) + 2 HCl(aq) = CuCl2(aq) + H2O(l)
Or + Mm + S = OrMmS =>
Or + Mm + S = OrMmS
KMnO4 + H2SO4 + NaCl = MnCl2 + K2SO4 + Na2SO4 + Cl2 + H2O =>
2 KMnO4 + 8 H2SO4 + 14 NaCl = 2 MnCl2 + K2SO4 + 7 Na2SO4 + 5 Cl2 + 8 H2O
(H2N(CH2)6NH2) + NaOH + (ClCO(CH2)8COCl) = C16H30O2N2 + H2O + NaCl =>
(H2N(CH2)6NH2) + 2 NaOH + (ClCO(CH2)8COCl) = C16H30O2N2 + 2 H2O + 2 NaCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
TbSiO3 + Sn(OH)4 = Tb(OH)4 + SnSiO3 =>
TbSiO3 + Sn(OH)4 = Tb(OH)4 + SnSiO3
H2O2 + H2S = H2O + SO2 =>
3 H2O2 + H2S = 4 H2O + SO2
Li + Ba(NO3)2 = Li(NO3) + Ba =>
2 Li + Ba(NO3)2 = 2 Li(NO3) + Ba
PbCl2 + HCl + VCl3 = VCl4 + PbH2 =>
PbCl2 + 2 HCl + 4 VCl3 = 4 VCl4 + PbH2
C6H5COCH3 + NaOCl = C6H5COONa + CHCl3 + NaOH =>
C6H5COCH3 + 3 NaOCl = C6H5COONa + CHCl3 + 2 NaOH
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