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2 HClO4 + Na2SeO4 = H2SeO4 + 2 NaClO4
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Na2Co3*H2O(aq) + CaCl2(aq) = CaCo3(s) + NaCl(aq) + H2O =>
Na2Co3*H2O(aq) + CaCl2(aq) = CaCo3(s) + 2 NaCl(aq) + H2O
Fe(S2O3){-} + Fe{3+} = Fe{2+} + S4O6{2-} =>
2 Fe(S2O3){-} + 4 Fe{3+} = 6 Fe{2+} + S4O6{2-}
KH2 + NO3 = KNO2 + H2O =>
KH2 + NO3 = KNO2 + H2O
CH3CH2COH + KOH = CH3CH2COK + H2O =>
CH3CH2COH + KOH = CH3CH2COK + H2O
Ag(NO3) = Ag + NO3 =>
Ag(NO3) = Ag + NO3
PCl5 + FeO = FeCl3 + PCl3 + PO4 =>
9 PCl5 + 8 FeO = 8 FeCl3 + 7 PCl3 + 2 PO4
H2S + MgCl2 = MgS + HCl =>
H2S + MgCl2 = MgS + 2 HCl
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
P4(s) + NaOH(aq) + H2O(l) = PH3(l) + Na2HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(l) + 2 Na2HPO3(aq)
Pb + Au(NO3)2 = Pb(NO3)2 + Au =>
Pb + Au(NO3)2 = Pb(NO3)2 + Au
MnCl2 + Al = AlCl3 + Mn =>
3 MnCl2 + 2 Al = 2 AlCl3 + 3 Mn
Li2CO3 + H2SO3 = Li2SO3 + CO2 + H2O =>
Li2CO3 + H2SO3 = Li2SO3 + CO2 + H2O
ZnO + KHCO3 = ZnCO3 + K2CO3 + H2O =>
ZnO + 2 KHCO3 = ZnCO3 + K2CO3 + H2O
OF2 = O2 + F2 =>
2 OF2 = O2 + 2 F2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
MnO2 + HCOOH + H2SO4 = MnSO4 + CO2 + H2O =>
MnO2 + HCOOH + H2SO4 = MnSO4 + CO2 + 2 H2O
C3H5CH3 + O2 = H2O + CO2 =>
C3H5CH3 + 6 O2 = 4 H2O + 4 CO2
BaCl2 + Na2CrO4 = BaCrO4 + NaCl =>
BaCl2 + Na2CrO4 = BaCrO4 + 2 NaCl
SrF = FSr =>
SrF = FSr
KF = K + F2 =>
2 KF = 2 K + F2
Mn{2+} + (OH){-} = Mn(OH)2 =>
Mn{2+} + 2(OH){-} = Mn(OH)2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NaHCO3 + H3C6H5O6 = CO2 + H2O + Na3C6H5O7 =>
30 NaHCO3 + 9 H3C6H5O6 = 24 CO2 + 26 H2O + 10 Na3C6H5O7
KMnO4 + H2SO4 = Mn2O7 + K2SO4 + H2O =>
2 KMnO4 + H2SO4 = Mn2O7 + K2SO4 + H2O
CH3CH2SO4Na + NaNO2 = CH3CH2NOO + Na2SO4 =>
CH3CH2SO4Na + NaNO2 = CH3CH2NOO + Na2SO4
H2C = CH2 =>
H2C = CH2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
CuOKOH = CuOHKO =>
CuOKOH = CuOHKO
Na + CuCl2 = NaCl2 + Cu =>
Na + CuCl2 = NaCl2 + Cu
AlO + H2O = AlO2 + H2 =>
AlO + H2O = AlO2 + H2
C8H9O2N + KMnO4 + H2SO4 = C7H5O4N + K2SO4 + MnSO4 + H2O + CO2 =>
5 C8H9O2N + 12 KMnO4 + 18 H2SO4 = 5 C7H5O4N + 6 K2SO4 + 12 MnSO4 + 28 H2O + 5 CO2
Al(H2O)6 + OH = Al(H2O)3(OH)3 + HOH =>
Al(H2O)6 + 3 OH = Al(H2O)3(OH)3 + 3 HOH
NH4 + CO3 = (NH4)2CO3 =>
2 NH4 + CO3 = (NH4)2CO3
Rb(s) + O2(g) = Rb2O(s) =>
4 Rb(s) + O2(g) = 2 Rb2O(s)
NH3Cl(COOH)2 + NaOH = NH2(COONa)2 + H2O + NaCl =>
NH3Cl(COOH)2 + 3 NaOH = NH2(COONa)2 + 3 H2O + NaCl
NaOH + Zn = Na + Zn(OH)2 =>
2 NaOH + Zn = 2 Na + Zn(OH)2
CaCO3 + S = SO2 + CaC =>
2 CaCO3 + 3 S = 3 SO2 + 2 CaC
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
MgCl2 + CaNO3 = CaCl + Mg(NO3)2 =>
MgCl2 + 2 CaNO3 = 2 CaCl + Mg(NO3)2
CrO + Fe2O3 = Cr2O5 + FeO =>
2 CrO + 3 Fe2O3 = Cr2O5 + 6 FeO
Ca + I{2}Cl = Ca{2}Cl + I =>
Ca + I{2}Cl = Ca{2}Cl + I
Al2S3 + NH3 = AlN + H2S =>
Al2S3 + 2 NH3 = 2 AlN + 3 H2S
PT{4+} + NO{-} = PT{3+} + NO =>
PT{4+} + NO{-} = PT{3+} + NO
HCO3 + NaOH = Na + CO3 + H2O =>
HCO3 + NaOH = Na + CO3 + H2O
KNO2 + CH3COOH + KI = NO + CH3COOK + H2O + I2 =>
2 KNO2 + 4 CH3COOH + 2 KI = 2 NO + 4 CH3COOK + 2 H2O + I2
Li2CO3 + Mg = MgCO3 + Li =>
Li2CO3 + Mg = MgCO3 + 2 Li
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