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4 PbO + CH4 = 4 Pb + CO2 + 2 H2O
HCl(aq) + K2SO3(aq) = KCl(aq) + H2O(l) + SO2(g) =>
2 HCl(aq) + K2SO3(aq) = 2 KCl(aq) + H2O(l) + SO2(g)
MnSO4 + Na2CO3 + O2 = CO2 + Na2SO4 + NaMnO4 =>
4 MnSO4 + 6 Na2CO3 + 5 O2 = 6 CO2 + 4 Na2SO4 + 4 NaMnO4
S + H2O = H2S + SO2 =>
3 S + 2 H2O = 2 H2S + SO2
O2 + Ca(OH)2 = CaO3 + H2O =>
O2 + Ca(OH)2 = CaO3 + H2O
Br2 + SO4 = SO3 + BrO3 =>
Br2 + 6 SO4 = 6 SO3 + 2 BrO3
C4H4 + H2 = C2H6 =>
C4H4 + 4 H2 = 2 C2H6
Ca + Fe(No3)3 = Ca(No3)2 + Fe =>
3 Ca + 2 Fe(No3)3 = 3 Ca(No3)2 + 2 Fe
CuCl + Br2 = CuBr2 + Cl2 =>
2 CuCl + 2 Br2 = 2 CuBr2 + Cl2
Na2SiO3 + HNO3 = NaNO3 + SiO2 + H2O =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + SiO2 + H2O
Ca(OH)2 + KI = K(OH) + CaI2 =>
Ca(OH)2 + 2 KI = 2 K(OH) + CaI2
C17H33COOH + O2 = CO2 + H2O =>
2 C17H33COOH + 51 O2 = 36 CO2 + 34 H2O
(NH4)2SO4(aq) + Ca(OH)2(S) = CaSO4(S) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + Ca(OH)2(S) = CaSO4(S) + 2 NH3(g) + 2 H2O(l)
HBrO = HBrO2 + HBr =>
2 HBrO = HBrO2 + HBr
CoCl2 + Nh4SCN = (Nh4)2[Co(SCN)4] + Nh4Cl =>
CoCl2 + 4 Nh4SCN = (Nh4)2[Co(SCN)4] + 2 Nh4Cl
Zn + HI = ZnI + H2 =>
2 Zn + 2 HI = 2 ZnI + H2
N2H4 + H2O = N2 + H3O =>
N2H4 + 4 H2O = N2 + 4 H3O
P2S3 + HNO3 + H2O = H3PO4 + H2SO4 + NO =>
3 P2S3 + 28 HNO3 + 4 H2O = 6 H3PO4 + 9 H2SO4 + 28 NO
F2(g) + KBr(aq) = Br2(l) + KF(aq) =>
F2(g) + 2 KBr(aq) = Br2(l) + 2 KF(aq)
MgS + O2 = MgO + SO2 =>
2 MgS + 3 O2 = 2 MgO + 2 SO2
Hg + Cl2 = Hg2Cl2 =>
2 Hg + Cl2 = Hg2Cl2
PbI2 + HCl = HI + PbCl2 =>
PbI2 + 2 HCl = 2 HI + PbCl2
C2H4(g) + H2O(g) = C2H5OH =>
C2H4(g) + H2O(g) = C2H5OH
HONH2 + H2O = H2ONH2 + OH =>
HONH2 + H2O = H2ONH2 + OH
Na2S + HClO = NaClO + H2S =>
Na2S + 2 HClO = 2 NaClO + H2S
AsF3 + H2O = H3AsO3 + HF =>
AsF3 + 3 H2O = H3AsO3 + 3 HF
NH4 + SO3 = (NH4)2SO3 =>
2 NH4 + SO3 = (NH4)2SO3
HI(aq) + Zn(NO3)2(aq) = HNO3(aq) + ZnI2(s) =>
2 HI(aq) + Zn(NO3)2(aq) = 2 HNO3(aq) + ZnI2(s)
MnO2 + KClO2 + KOH = K2MnO4 + KCl + H2O =>
2 MnO2 + KClO2 + 4 KOH = 2 K2MnO4 + KCl + 2 H2O
K = K{+} + e =>
K = K{+} + e
Cu(II) + FeSO4 = Fe + Cu(II)SO4 =>
Cu(II) + FeSO4 = Fe + Cu(II)SO4
CH3CHOHCOOH + C2H5OH = CH3CHOHCOC2H5 + H2O =>
4 CH3CHOHCOOH + 9 C2H5OH = 6 CH3CHOHCOC2H5 + 9 H2O
C6H12O6 + MgSO4 = C6H6O3 + MgO + H2SO4H2O =>
2 C6H12O6 + 3 MgSO4 = 2 C6H6O3 + 3 MgO + 3 H2SO4H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + Co = AlCo =>
Al + Co = AlCo
BaSO4 = Ba + SO4 =>
BaSO4 = Ba + SO4
HNO3 + BaCl2 = HCl + Ba(NO3)2 =>
2 HNO3 + BaCl2 = 2 HCl + Ba(NO3)2
CH3CH2NH2 + HCl = CH3CH2NH3 + Cl =>
CH3CH2NH2 + HCl = CH3CH2NH3 + Cl
(NH4)NO3 + NaOH = Na(NO3) + NH4 + H2O =>
9(NH4)NO3 + 10 NaOH = 10 Na(NO3) + 8 NH4 + 7 H2O
C6H12O6 + C2H5OH = C19H22O6 + H2O =>
14 C6H12O6 + 15 C2H5OH = 6 C19H22O6 + 63 H2O
Na2SO3 + C = Na2S + CO2 =>
2 Na2SO3 + 3 C = 2 Na2S + 3 CO2
CH3CH2COOH + Cl2 = CH3CH2COOCl + HCl =>
CH3CH2COOH + Cl2 = CH3CH2COOCl + HCl
Cu + KCl = CuCl + K =>
Cu + KCl = CuCl + K
Zn(s) + HCl(ac) = ZnCl2(ac) + H2(g) =>
Zn(s) + 2 HCl(ac) = ZnCl2(ac) + H2(g)
Zn + K2CO3 = Zn(CO3)2 + K =>
Zn + 2 K2CO3 = Zn(CO3)2 + 4 K
HNO2 + KMnO4 + H2SO4 = MnSO4 + HNO3 + K2SO4 + H2O =>
5 HNO2 + 2 KMnO4 + 3 H2SO4 = 2 MnSO4 + 5 HNO3 + K2SO4 + 3 H2O
P + KClO3 = P2O5 + KCl =>
6 P + 5 KClO3 = 3 P2O5 + 5 KCl
Li + C = Li4C =>
4 Li + C = Li4C
Fe + HO = FeO + H2O =>
Fe + 2 HO = FeO + H2O
Fe + H{+} + ClO4{-} = Fe{+3} + Cl2 + H2O =>
14 Fe + 48 H{+} + 6 ClO4{-} = 14 Fe{+3} + 3 Cl2 + 24 H2O
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