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Na2CO3 + 2 Fe = Fe2CO3 + 2 Na
V2O5 + NaOH = H2O + NaVO3 =>
V2O5 + 2 NaOH = H2O + 2 NaVO3
Hg(NO3)2 + C2H5OH = Hg(CNO)2 + CH3CHO + H2O =>
Hg(NO3)2 + 3 C2H5OH = Hg(CNO)2 + 2 CH3CHO + 5 H2O
NaHSO4 + H2SiF6 + H2O = NaF + Na2SiO3 + H2SO4 =>
8 NaHSO4 + H2SiF6 + 3 H2O = 6 NaF + Na2SiO3 + 8 H2SO4
(NH4)2(CO3) + MgCl2 = (NH4)Cl + Mg(CO3) =>
(NH4)2(CO3) + MgCl2 = 2(NH4)Cl + Mg(CO3)
SP4 + KCl = KP4 + SCl =>
SP4 + KCl = KP4 + SCl
Cr + NaOH + H2O = H2 + Na3[Cr(OH)6] =>
2 Cr + 6 NaOH + 6 H2O = 3 H2 + 2 Na3[Cr(OH)6]
Fe2(SO4)3 + NaHS = FeSO4 + S + Na2(SO4) + H2SO4 =>
2 Fe2(SO4)3 + 2 NaHS = 4 FeSO4 + 2 S + Na2(SO4) + H2SO4
F2O = F2 + O2 =>
2 F2O = 2 F2 + O2
As + O = As3O =>
3 As + O = As3O
CaCO3 + H2O = Ca(OH)2 + H2CO3 =>
CaCO3 + 2 H2O = Ca(OH)2 + H2CO3
Ag(NO3)2 + K2(CrO4) = K(NO3) + Ag(CrO4) =>
Ag(NO3)2 + K2(CrO4) = 2 K(NO3) + Ag(CrO4)
C8H10 + NO3 = CO2 + H2O + N2 =>
2 C8H10 + 14 NO3 = 16 CO2 + 10 H2O + 7 N2
Al2(SO4)3 + NH4OH = Al(OH)3 + (NH4)2SO4 =>
Al2(SO4)3 + 6 NH4OH = 2 Al(OH)3 + 3(NH4)2SO4
Cs2C2O4 = Cs2CO3 + CO =>
Cs2C2O4 = Cs2CO3 + CO
N2H5 + CH3COO = CH3COOH + N2H4 =>
N2H5 + CH3COO = CH3COOH + N2H4
MnO2 + H = Mn + H2O =>
MnO2 + 4 H = Mn + 2 H2O
Mg(s) + CuBr2(aq) = MgBr2(aq) + Cu(s) =>
Mg(s) + CuBr2(aq) = MgBr2(aq) + Cu(s)
Cd(OH)2 + KOH = K2[Cd(OH)4] =>
Cd(OH)2 + 2 KOH = K2[Cd(OH)4]
Na2S2O3 + KBr = K2S2O3 + NaBr =>
Na2S2O3 + 2 KBr = K2S2O3 + 2 NaBr
Li2Co3 + CaCl2 = CaCo3 + LiCl =>
Li2Co3 + CaCl2 = CaCo3 + 2 LiCl
HNO3 + LiOH = LiNO3 + H2O =>
HNO3 + LiOH = LiNO3 + H2O
NaCl3 + NaOH = NaCl + Na(OH)3 =>
NaCl3 + 3 NaOH = 3 NaCl + Na(OH)3
X + XY + Z = X3YZ =>
2 X + XY + Z = X3YZ
CU(s) + O(g) = CUO2(s) =>
CU(s) + 2 O(g) = CUO2(s)
NH3 + Cu(NO3)2 + H2O = NH4NO3 + Cu(OH)2 =>
2 NH3 + Cu(NO3)2 + 2 H2O = 2 NH4NO3 + Cu(OH)2
(CH3)2CHOH + KMnO4 = (CH3)2CO + H2O + MnO2 + KOH =>
3(CH3)2CHOH + 2 KMnO4 = 3(CH3)2CO + 2 H2O + 2 MnO2 + 2 KOH
AgNO3 + NaI = AgI + NaNO3 =>
AgNO3 + NaI = AgI + NaNO3
Cu2 + Cl2 = CuCl =>
Cu2 + Cl2 = 2 CuCl
Fe2O3*3H2O + Na = Fe + NaOH =>
Fe2O3*3H2O + 6 Na = 2 Fe + 6 NaOH
K2Cr2O7 + Na2C2O4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O + CO2 =>
K2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 7 H2O + 6 CO2
SnO2 + H2 = Sn + H2O =>
SnO2 + 2 H2 = Sn + 2 H2O
Hg2OH + H3PO4 = Hg2 + PO4 + H2O =>
3 Hg2OH + H3PO4 = 3 Hg2 + PO4 + 3 H2O
C5H12(g) + O2(g) = CO2(g) + H2O(g) =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
HCOOH + C2H5OH = C2H5COOH + H2O =>
HCOOH + C2H5OH = C2H5COOH + H2O
Mg(OH)2 + H2SO4 = HOH + MgSO4 =>
Mg(OH)2 + H2SO4 = 2 HOH + MgSO4
KOH + H2SO4 = K2SO4 + H(OH) =>
2 KOH + H2SO4 = K2SO4 + 2 H(OH)
Zn + P2 = Zn5P2 =>
5 Zn + P2 = Zn5P2
KOH + C5H6 = C5H5K + H2O =>
KOH + C5H6 = C5H5K + H2O
CaCl2 + Na2HPO4 = NaCl + Ca3(PO4)2 + HCl =>
3 CaCl2 + 2 Na2HPO4 = 4 NaCl + Ca3(PO4)2 + 2 HCl
Mg(NO3)2 + H2O = MgOHNO3 + HNO3 =>
Mg(NO3)2 + H2O = MgOHNO3 + HNO3
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
Fe(NO3)3 + NaBr = FeBr3 + Na(NO3) =>
Fe(NO3)3 + 3 NaBr = FeBr3 + 3 Na(NO3)
CrCl2 + Li2CO3 = Li2Cl2 + CrCO3 =>
CrCl2 + Li2CO3 = Li2Cl2 + CrCO3
Ni + CO = NiCO =>
Ni + CO = NiCO
BaO + CO2 = BaC + O2 =>
2 BaO + 2 CO2 = 2 BaC + 3 O2
HCO{-}{3} + H{3}O{+} = H{2}O + CO{2} =>
HCO{-}{3} + 5 H{3}O{+} = 6 H{2}O + CO{2}
H3SO3 + I2 + H2O = H2SO4 + HI2 =>
H3SO3 + 3 I2 + H2O = H2SO4 + 3 HI2
H2S + HNO3 = H2SO4 + N02 + H2O =>
5 H2S + 8 HNO3 = 5 H2SO4 + 4 N02 + 4 H2O
Zn + HNO3 = NO3 + H2Zn =>
Zn + 2 HNO3 = 2 NO3 + H2Zn
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