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2 HCOOK + H2SO4 = 2 HCOOH + K2SO4
CH2O2 + NaOH = NaCHO2 + H2O =>
CH2O2 + NaOH = NaCHO2 + H2O
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Fe(NO3)3(aq) + KOH(aq) = Fe(OH)3(s) + KNO3(aq) =>
Fe(NO3)3(aq) + 3 KOH(aq) = Fe(OH)3(s) + 3 KNO3(aq)
C2H5SO3H + O2 = CO2 + H2O + SO3 =>
2 C2H5SO3H + 7 O2 = 4 CO2 + 6 H2O + 2 SO3
AsCl3(aq) + H2S(aq) = As2S3(aq) + HCl =>
2 AsCl3(aq) + 3 H2S(aq) = As2S3(aq) + 6 HCl
S2O3 = S + SO2 =>
2 S2O3 = S + 3 SO2
Na2O = Na + O2 =>
2 Na2O = 4 Na + O2
KNO3 + H2S = KNO2 + S + H2O =>
KNO3 + H2S = KNO2 + S + H2O
NaCl + KI = NaI + KCl =>
NaCl + KI = NaI + KCl
Na(HCO3) + H2SO4 = Na2SO4 + H2O + CO2 =>
2 Na(HCO3) + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
N3 + H2O = NH3 + O2 =>
4 N3 + 18 H2O = 12 NH3 + 9 O2
Cl + SrI2 = SrCl2 + I2 =>
2 Cl + SrI2 = SrCl2 + I2
Na2S + CO2 + H2O = Na2CO3 + H2S =>
Na2S + CO2 + H2O = Na2CO3 + H2S
Cu + NaNO3 + H2SO4 = NaHSO4 + Cu(NO3)2 + H2O + NO2 =>
Cu + 4 NaNO3 + 4 H2SO4 = 4 NaHSO4 + Cu(NO3)2 + 2 H2O + 2 NO2
C6H14 + O2 = CO2 + HOH =>
2 C6H14 + 19 O2 = 12 CO2 + 14 HOH
Na2CO3 + HNO3 = NaNO3 + H2CO3 =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + H2CO3
Ta2Si + O2 = Ta2O5 + SiO2 =>
2 Ta2Si + 7 O2 = 2 Ta2O5 + 2 SiO2
P4 + NaOH = PH3 + Na2HPO2 =>
P4 + 6 NaOH = PH3 + 3 Na2HPO2
H2O2 + KNO2 = KNO3 + H2O =>
H2O2 + KNO2 = KNO3 + H2O
AlCl3 + Na2SO4 = Al2(SO4)3 + NaCl =>
2 AlCl3 + 3 Na2SO4 = Al2(SO4)3 + 6 NaCl
I2 + OH{-} = I{-} + IO{-} + H2O =>
I2 + 2 OH{-} = I{-} + IO{-} + H2O
CH3OCH3 + O2 = CO2 + H2O =>
CH3OCH3 + 3 O2 = 2 CO2 + 3 H2O
K2Cr2O7 + H2S = Cr(OH)3 + S + KHS + H2O =>
K2Cr2O7 + 5 H2S = 2 Cr(OH)3 + 3 S + 2 KHS + H2O
HClO4(aq) + Ca(OH)2(aq) = Ca(ClO4)2 + H2O(l) =>
2 HClO4(aq) + Ca(OH)2(aq) = Ca(ClO4)2 + 2 H2O(l)
As(OH)3 + H2SO4 = As2(SO4)3 + H2O =>
2 As(OH)3 + 3 H2SO4 = As2(SO4)3 + 6 H2O
K2O + CaO = K2CaO2 =>
K2O + CaO = K2CaO2
H(OH) = H2 + (OH) =>
2 H(OH) = H2 + 2(OH)
Mg(IO3)2 = MgO + I2 + O2 =>
2 Mg(IO3)2 = 2 MgO + 2 I2 + 5 O2
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
N2H6SO4 + CuCl2 + NaOH = N2 + CuCl + NaCl + Na2SO4 + H2O =>
N2H6SO4 + 4 CuCl2 + 6 NaOH = N2 + 4 CuCl + 4 NaCl + Na2SO4 + 6 H2O
SrBr2(aq) + (NH4)2CO3(aq) = SrCO3(s) + NH4Br(aq) =>
SrBr2(aq) + (NH4)2CO3(aq) = SrCO3(s) + 2 NH4Br(aq)
Ca5(PO4)3F + H2SO4 + H2O = H3PO4 + CaSO4*2H2O + HF =>
Ca5(PO4)3F + 5 H2SO4 + 10 H2O = 3 H3PO4 + 5 CaSO4*2H2O + HF
K2O2 + H2SO4 + KI = K2SO4 + H2O + KIO3 =>
3 K2O2 + 3 H2SO4 + KI = 3 K2SO4 + 3 H2O + KIO3
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O =>
CH3COOH + C6H5CH2OH = CH3COO(CH2)H5C6 + H2O
AgCl + NH3 = [Ag(NH3)2]Cl =>
AgCl + 2 NH3 = [Ag(NH3)2]Cl
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
KCl + Na2Co3 = K2Co3 + NaCl =>
2 KCl + Na2Co3 = K2Co3 + 2 NaCl
P4 + O = P2O3 =>
P4 + 6 O = 2 P2O3
HCl + H2WO4 + Zn = W5O14 + ZnCl2 + H2O =>
2 HCl + 5 H2WO4 + Zn = W5O14 + ZnCl2 + 6 H2O
(NH4)2CO3 + O2 = CO2 + H2O + N2 =>
2(NH4)2CO3 + 3 O2 = 2 CO2 + 8 H2O + 2 N2
Fe + HCI = FeCI + H2 =>
2 Fe + 2 HCI = 2 FeCI + H2
NH4NO3 + K2CO3 = (NH4)2CO3 + KNO3 =>
2 NH4NO3 + K2CO3 = (NH4)2CO3 + 2 KNO3
C2H2 + KMnO4 + H2O = C2H2(OH)2 + MnO2 + KOH =>
3 C2H2 + 2 KMnO4 + 4 H2O = 3 C2H2(OH)2 + 2 MnO2 + 2 KOH
ON + O2 = NO2 =>
2 ON + O2 = 2 NO2
Fe(OH)3 + CH3COOH = Fe(C2H3O2)3 + H2O =>
Fe(OH)3 + 3 CH3COOH = Fe(C2H3O2)3 + 3 H2O
Bi(NO3)3 + Br2 + KOH = KBiO3 + KBr + KNO3 + H2O =>
Bi(NO3)3 + Br2 + 6 KOH = KBiO3 + 2 KBr + 3 KNO3 + 3 H2O
Cu2S + H2SO4 = CuSO4 + SO2 + H2O =>
Cu2S + 6 H2SO4 = 2 CuSO4 + 5 SO2 + 6 H2O
C4H10O + Cr2O72{-} + H{+} = C4H8O + Cr3{+} + H2O =>
427 C4H10O + 6 Cr2O72{-} + 10 H{+} = 427 C4H8O + 4 Cr3{+} + 432 H2O
CH3Br + OH = CH3OH + Br2 =>
2 CH3Br + 2 OH = 2 CH3OH + Br2
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