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4 HBr2 + MnO2 = MnBr2 + 3 Br2 + 2 H2O
C16H + O2 = CO2 + H2O =>
4 C16H + 65 O2 = 64 CO2 + 2 H2O
Au + KCN + H2O + O2 = KAu(CN)4(ac) + KOH =>
4 Au + 16 KCN + 6 H2O + 3 O2 = 4 KAu(CN)4(ac) + 12 KOH
Mg(OH)2 + NaCl = NaOH + MgCl2 =>
Mg(OH)2 + 2 NaCl = 2 NaOH + MgCl2
NaNO2 + KClO3 + H2SO4 = NaNO3 + HCl + K2SO4 =>
6 NaNO2 + 2 KClO3 + H2SO4 = 6 NaNO3 + 2 HCl + K2SO4
NaIO3 + Na2Se2O3 + HCl = NaI + Na2Se4O6 + NaCl + H2O =>
NaIO3 + 6 Na2Se2O3 + 6 HCl = NaI + 3 Na2Se4O6 + 6 NaCl + 3 H2O
CuSO4 + PbCl2 = PbSO4 + CuCl2 =>
CuSO4 + PbCl2 = PbSO4 + CuCl2
MgO + H{+} = Mg{2+} + H2O =>
MgO + 2 H{+} = Mg{2+} + H2O
Ba(NH3)4Cl2(aq) + Na2SO4(aq) + H2SO4(aq) = BaSO4(s) + (NH4)2SO4(aq) + NaCl(aq) =>
Ba(NH3)4Cl2(aq) + Na2SO4(aq) + 2 H2SO4(aq) = BaSO4(s) + 2(NH4)2SO4(aq) + 2 NaCl(aq)
Mg + Cr(C2H3O2)3 = Mg(C2H3O2)2 + Cr =>
3 Mg + 2 Cr(C2H3O2)3 = 3 Mg(C2H3O2)2 + 2 Cr
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
LiOH + NH4NO3 = LiNO3 + NH4OH =>
LiOH + NH4NO3 = LiNO3 + NH4OH
OH{-} + ClO{-} + S2O3{-}2 = Cl{-} + SO4{-}2 + H2O =>
2 OH{-} + 9 ClO{-} + 2 S2O3{-}2 = 9 Cl{-} + 4 SO4{-}2 + H2O
C6H5CH2OH + MnO4{-} + H{+} = C6H5COOH + MnO2 + H2O =>
3 C6H5CH2OH + 4 MnO4{-} + 4 H{+} = 3 C6H5COOH + 4 MnO2 + 5 H2O
Fe(HCO3)2 + HNO3 = Fe(NO3)3 + CO2 + NO + H2O =>
3 Fe(HCO3)2 + 10 HNO3 = 3 Fe(NO3)3 + 6 CO2 + NO + 8 H2O
C6H5CH3 + O2 = CO2 + H2O =>
C6H5CH3 + 9 O2 = 7 CO2 + 4 H2O
FeCl3 + K3PO4 = FePO4 + K3Cl3 =>
FeCl3 + K3PO4 = FePO4 + K3Cl3
C1H195 + O2 = CO2 + H2O =>
4 C1H195 + 199 O2 = 4 CO2 + 390 H2O
KI(aq) + Hg2(C2H3O2)2(aq) = K(C2H3O2)(aq) + HgI(aq) =>
2 KI(aq) + Hg2(C2H3O2)2(aq) = 2 K(C2H3O2)(aq) + 2 HgI(aq)
KHCO3 = K2CO3CO2H2O =>
2 KHCO3 = K2CO3CO2H2O
VCl3 + KMnO4 + H2O = VOCl2 + KCl + MnCl2 + HCl =>
5 VCl3 + KMnO4 + H2O = 5 VOCl2 + KCl + MnCl2 + 2 HCl
C2H42OH + O2 = CO2 + H2O =>
4 C2H42OH + 49 O2 = 8 CO2 + 86 H2O
Mg + SO3 = MgO3S =>
Mg + SO3 = MgO3S
CuI + MnO2 + H2SO4 = I2 + CuSO4 + H2O + MnSO4 =>
2 CuI + 2 MnO2 + 4 H2SO4 = I2 + 2 CuSO4 + 4 H2O + 2 MnSO4
(ii)C2H6 + O2 = H2O + CO2 =>
2(ii)C2H6 + 7 O2 = 6 H2O + 4 CO2
PbCl2 + NaCl = PbCl + NaCl2 =>
PbCl2 + NaCl = PbCl + NaCl2
KAl(SO4)2 = SO2 + K + Al + O8 =>
2 KAl(SO4)2 = 4 SO2 + 2 K + 2 Al + O8
C2H6O + O2 = CO4 + H21 =>
14 C2H6O + 49 O2 = 28 CO4 + 4 H21
CuO + Pb = Cu + PbO2 =>
2 CuO + Pb = 2 Cu + PbO2
HBr + CH3CH2OH = CH3CH2Br + H2O =>
HBr + CH3CH2OH = CH3CH2Br + H2O
FeS + NO3{-} + H{+} = Fe{+3} + S + NO + H2O =>
FeS + NO3{-} + 4 H{+} = Fe{+3} + S + NO + 2 H2O
K + MnO2 = KO + Mn =>
2 K + MnO2 = 2 KO + Mn
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
CF + H2O = CF(OH)3 + H2 =>
2 CF + 6 H2O = 2 CF(OH)3 + 3 H2
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
NaClO3 + CrCl3 + NaOH = NaCl + Na2CrO4 + H2O =>
NaClO3 + 2 CrCl3 + 10 NaOH = 7 NaCl + 2 Na2CrO4 + 5 H2O
Co(NO3)2 + Na2CrO4 = Na(NO3) + CoCrO4 =>
Co(NO3)2 + Na2CrO4 = 2 Na(NO3) + CoCrO4
NH3(g) + NO2(g) = H2O(g) + N2(g) =>
8 NH3(g) + 6 NO2(g) = 12 H2O(g) + 7 N2(g)
AgO2 + H2O = AgOH + O2 =>
4 AgO2 + 2 H2O = 4 AgOH + 3 O2
FeO + HNO3 = Fe(NO3)3 + NO2 + H2O =>
FeO + 4 HNO3 = Fe(NO3)3 + NO2 + 2 H2O
K2Cr2O7 + KBr + H2O = Br + KOH + K3[Cr(OH)6] =>
K2Cr2O7 + 6 KBr + 7 H2O = 6 Br + 2 KOH + 2 K3[Cr(OH)6]
Ca(ClO)2 + HCl = CaO + Cl2 + HClO4 =>
4 Ca(ClO)2 + HCl = 4 CaO + 4 Cl2 + HClO4
Cu(OH)2 + CO2 = CuO2 + C(OH)2 =>
Cu(OH)2 + CO2 = CuO2 + C(OH)2
H4 = H7 =>
7 H4 = 4 H7
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C6 + H14 = C2H4 =>
7 C6 + 6 H14 = 21 C2H4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
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