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4 BF3(g) + 3 H2O(l) = H3BO3(s) + 3 HBF4
XNaBr + XCaF2 = XNaF + XCaBr2 =>
2 XNaBr + XCaF2 = 2 XNaF + XCaBr2
NaJ + Pb(NO3)2 = PbJ2 + NaNO3 =>
2 NaJ + Pb(NO3)2 = PbJ2 + 2 NaNO3
He + Ra = RaHe =>
He + Ra = RaHe
NiSO4 + H2SO4 + HNO3 = Ni2(SO4)3 + NO + H2O =>
6 NiSO4 + 3 H2SO4 + 2 HNO3 = 3 Ni2(SO4)3 + 2 NO + 4 H2O
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Ni(s) + O2(g) = NiOO2(g) =>
2 Ni(s) + 3 O2(g) = 2 NiOO2(g)
Sb2S3 + HNO3 + H2O = H3SbO4 + NH2 + H2SO4 =>
Sb2S3 + 4 HNO3 + 8 H2O = 2 H3SbO4 + 4 NH2 + 3 H2SO4
K + I2 = KI =>
2 K + I2 = 2 KI
NaS + KMnO4 + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
10 NaS + 14 KMnO4 + 16 H2SO4 = 5 Na2SO4 + 7 K2SO4 + 14 MnSO4 + 16 H2O
MnSO4 + Cl2 = MnCl2 + SO4 =>
MnSO4 + Cl2 = MnCl2 + SO4
FeCl3 + HNO3 + NaOH = Fe(OH)3 + NaNO3 + HCl =>
FeCl3 + 3 HNO3 + 3 NaOH = Fe(OH)3 + 3 NaNO3 + 3 HCl
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
Pb + N = Pb3N4 =>
3 Pb + 4 N = Pb3N4
Ca(H2PO4)2 + KOH = CaHPO4 + K3PO4 + H2O =>
Ca(H2PO4)2 + 3 KOH = CaHPO4 + K3PO4 + 3 H2O
NH2CH2COOH + C2H5OH = NH2CH2COOC2H5 + H2O =>
NH2CH2COOH + C2H5OH = NH2CH2COOC2H5 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + C4H8O + H2O2 = C4H10N2 + H2O =>
2 NH3 + C4H8O + H2O2 = C4H10N2 + 3 H2O
K2S + HCl = KCl + H2S(g) =>
K2S + 2 HCl = 2 KCl + H2S(g)
S0 + H2SO4 = SO2 + H2O =>
S0 + 2 H2SO4 = 3 SO2 + 2 H2O
KNO2 + K2Cr2O7 + HNO* = KNO* + Cr(NO3)3 + H2O =>
9 KNO2 + K2Cr2O7 + 8 HNO* = 11 KNO* + 2 Cr(NO3)3 + 4 H2O
Bi2O3 = Bi + O2 =>
2 Bi2O3 = 4 Bi + 3 O2
Cu + ONaOH = Cu(OH)2 + NaO =>
Cu + 2 ONaOH = Cu(OH)2 + 2 NaO
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
MnC2O4*3H2O(s) + O2 = MnO(s) + H2O(g) + CO2(g) =>
2 MnC2O4*3H2O(s) + O2 = 2 MnO(s) + 6 H2O(g) + 4 CO2(g)
C3H8 + Cr2O7{2-} + H{+} = Cr{3+} + C3H6O + H2O =>
3 C3H8 + 2 Cr2O7{2-} + 16 H{+} = 4 Cr{3+} + 3 C3H6O + 11 H2O
H{+} + I{-} + H2SO4 = I2 + H2S + H2O =>
8 H{+} + 8 I{-} + H2SO4 = 4 I2 + H2S + 4 H2O
Al2O3 + LiOH = Al(OH)3 + Li2O =>
Al2O3 + 6 LiOH = 2 Al(OH)3 + 3 Li2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Fe2(SiO3)3 = Fe + SiO3 =>
Fe2(SiO3)3 = 2 Fe + 3 SiO3
CH2O2 + H2O = CHO2 + H3O =>
CH2O2 + H2O = CHO2 + H3O
PbCl2 + K2S = PbS + KCl =>
PbCl2 + K2S = PbS + 2 KCl
NH4F + HF = NF3 + H2 =>
NH4F + 2 HF = NF3 + 3 H2
NaVO3 + Na2HPO4 + Na2MoO4*2H2O + H2SO4 = H5PMo10V2O40 + NaHSO4 + H2O =>
2 NaVO3 + Na2HPO4 + 10 Na2MoO4*2H2O + 24 H2SO4 = H5PMo10V2O40 + 24 NaHSO4 + 30 H2O
Mg + KNO3 = MgO + KO + N2 =>
4 Mg + 2 KNO3 = 4 MgO + 2 KO + N2
S0 + H2SO4 = SO2 + H2O =>
S0 + 2 H2SO4 = 3 SO2 + 2 H2O
XNaBr + XCaF2 = XNaF + XCaBr2 =>
2 XNaBr + XCaF2 = 2 XNaF + XCaBr2
Zn + H2O2 + NaCl = ZnCl2 + NaO + H2O =>
Zn + 2 H2O2 + 2 NaCl = ZnCl2 + 2 NaO + 2 H2O
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
CH3COOH + NaHCO3 = NaH + CH3COOHCO3 =>
CH3COOH + NaHCO3 = NaH + CH3COOHCO3
Cu + H{+} + SO4{-2} = Cu{2+} + SO2 + H2O =>
Cu + 4 H{+} + SO4{-2} = Cu{2+} + SO2 + 2 H2O
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
Ca(OH) + HNO3 = Ca(NO3) + H2O =>
Ca(OH) + HNO3 = Ca(NO3) + H2O
Na2B4O7 + C2H5OH + H2SO4 = Na2SO4 + B(OC2H5)3 + H2O =>
Na2B4O7 + 12 C2H5OH + H2SO4 = Na2SO4 + 4 B(OC2H5)3 + 7 H2O
Fe2O3 + CO2 = Fe2(CO3)3 =>
Fe2O3 + 3 CO2 = Fe2(CO3)3
HN4OH + H2SO4 = (HN4)2SO4 + H2O =>
2 HN4OH + H2SO4 = (HN4)2SO4 + 2 H2O
KMnO4 + HCl + H2S = S + MnCl2 + KCl + H2O =>
2 KMnO4 + 6 HCl + 5 H2S = 5 S + 2 MnCl2 + 2 KCl + 8 H2O
C6H5COOH + C2H5OH = C6H5COOC2H5 + H2O =>
C6H5COOH + C2H5OH = C6H5COOC2H5 + H2O
CO2 + PbO = PbCO3 =>
CO2 + PbO = PbCO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
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