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6 Na + Al2(SO4)3 = 3 Na2SO4 + 2 Al
C2 + HNO3 = CO2 + NO2 + H2O =>
C2 + 8 HNO3 = 2 CO2 + 8 NO2 + 4 H2O
Ca(H2PO4)2 = Ca3(PO4)2 + H3PO4 =>
3 Ca(H2PO4)2 = Ca3(PO4)2 + 4 H3PO4
C12H8Cl6 + O2 = CO2 + H2O + Cl2O7 =>
2 C12H8Cl6 + 49 O2 = 24 CO2 + 8 H2O + 6 Cl2O7
C4H9Cl + Br2 = C4H9ClBr2 =>
C4H9Cl + Br2 = C4H9ClBr2
FeSO4 + NH4OH + H2O2 = Fe(OH)3 + (NH4)2SO4 =>
2 FeSO4 + 4 NH4OH + H2O2 = 2 Fe(OH)3 + 2(NH4)2SO4
C2H3NaO2 + HBr = NaBr + C2H4O2 =>
C2H3NaO2 + HBr = NaBr + C2H4O2
Mn2(SO4)3 + NaOH = Mn(OH)3 + Na2SO4 =>
Mn2(SO4)3 + 6 NaOH = 2 Mn(OH)3 + 3 Na2SO4
OF2 = O2 + F2 =>
2 OF2 = O2 + 2 F2
Au + H2SeO4 + HCl = H[AuCl4] + SeO2 + H2O =>
2 Au + 3 H2SeO4 + 8 HCl = 2 H[AuCl4] + 3 SeO2 + 6 H2O
Fe + (NH4)2SO4 + O2 = Fe2(SO4)3 + H2O + NH3 =>
4 Fe + 6(NH4)2SO4 + 3 O2 = 2 Fe2(SO4)3 + 6 H2O + 12 NH3
C3H8O2 + H2O2 = CO2 + H2O =>
C3H8O2 + 8 H2O2 = 3 CO2 + 12 H2O
Ba(HO)2 = BaO + H2O =>
Ba(HO)2 = BaO + H2O
C2H6O + C6H8O7 = C19H24O5 + H2O =>
33 C2H6O + 8 C6H8O7 = 6 C19H24O5 + 59 H2O
KOH + S2O6 = K2O + S(OH)6 =>
12 KOH + S2O6 = 6 K2O + 2 S(OH)6
(b)Cu2O + H2 = Cu + H2O =>
(b)Cu2O + H2 = 2 Cu + H2O
Ba(OH)2 + Na2CO3 = BaCO3 + NaOH =>
Ba(OH)2 + Na2CO3 = BaCO3 + 2 NaOH
Cr2O3 + Na2O = NaCrO2 =>
Cr2O3 + Na2O = 2 NaCrO2
Cr2O3 + NaNO3 + KOH = NaNO2 + K2CrO4 + H2O =>
Cr2O3 + 3 NaNO3 + 4 KOH = 3 NaNO2 + 2 K2CrO4 + 2 H2O
C2H5NH3Br + NaOH = C2H5NH2 + NaBr + H2O =>
C2H5NH3Br + NaOH = C2H5NH2 + NaBr + H2O
CdBr2 + Na2S = CdS + NaBr =>
CdBr2 + Na2S = CdS + 2 NaBr
Al + I2 = Al3{+} + I{-} =>
6 Al + I2 = 2 Al3{+} + 2 I{-}
Ca2N3 = N2 + Ca =>
2 Ca2N3 = 3 N2 + 4 Ca
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na2ON2O = NaON =>
Na2ON2O = 2 NaON
FeOCr2O3 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr2O3 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 8 CO2 + 2 Fe2O3
NaC2H3O2 + HNO3 = NaNO3 + C2H4O2 =>
NaC2H3O2 + HNO3 = NaNO3 + C2H4O2
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na2S2O3 + KMnO4 + H2SO4 = NaHSO4 + MnSO4 + K2SO4 + H2O =>
5 Na2S2O3 + 8 KMnO4 + 12 H2SO4 = 10 NaHSO4 + 8 MnSO4 + 4 K2SO4 + 7 H2O
CO2 + H2O = H2CO3 =>
CO2 + H2O = H2CO3
Zn(OH)4{2-} + NH4OH = Zn(NH3)4{2+} + OH{-} + H2O =>
Zn(OH)4{2-} + 4 NH4OH = Zn(NH3)4{2+} + 4 OH{-} + 4 H2O
H2SO3 + HCl = H2S + HClO3 =>
H2SO3 + HCl = H2S + HClO3
Ca + Zn(NO3)3 = Ca(NO3)2 + Zn =>
3 Ca + 2 Zn(NO3)3 = 3 Ca(NO3)2 + 2 Zn
CuFeS2 + O2 = CuO + FeO + SO2 =>
CuFeS2 + 3 O2 = CuO + FeO + 2 SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na[Al(OH)4] + HBr = NaBr + Al(OH)3 + H2O =>
Na[Al(OH)4] + HBr = NaBr + Al(OH)3 + H2O
CO + Fe3O4 = CO2 + Fe =>
4 CO + Fe3O4 = 4 CO2 + 3 Fe
K(HCO3) + HCl = KCl + H2O + CO2 =>
K(HCO3) + HCl = KCl + H2O + CO2
Mg(H3C2O2)2 + KOH = Mg(OH)2 + KH3C2O2 =>
Mg(H3C2O2)2 + 2 KOH = Mg(OH)2 + 2 KH3C2O2
C2H6O + C6H8O7 = C19H24O5 + H2O =>
33 C2H6O + 8 C6H8O7 = 6 C19H24O5 + 59 H2O
AlN = Al + N2 =>
2 AlN = 2 Al + N2
Fe + ClH = FeCl2 + H2 =>
Fe + 2 ClH = FeCl2 + H2
Co(OH)2 + H{+} = Co{2+} + H2O =>
Co(OH)2 + 2 H{+} = Co{2+} + 2 H2O
CH4 + CuCl = C + Cu + HCl =>
CH4 + 4 CuCl = C + 4 Cu + 4 HCl
MgSO4 + K3(PO4) = Mg3(PO4)2 + K2SO4 =>
3 MgSO4 + 2 K3(PO4) = Mg3(PO4)2 + 3 K2SO4
CuFeS2 + O2 = CuO + FeO + SO2 =>
CuFeS2 + 3 O2 = CuO + FeO + 2 SO2
OH{-} + CrOH3 = CrO4{2-} + H2O + e =>
9 OH{-} + CrOH3 = CrO4{2-} + 6 H2O + 7e
Na + HgO = Na2O + Hg =>
2 Na + HgO = Na2O + Hg
Br + ClO = BrO3 + Cl =>
Br + 3 ClO = BrO3 + 3 Cl
(C)3(H)8 + (O)2 = (C)(O)2 + (H)2(O) =>
(C)3(H)8 + 5(O)2 = 3(C)(O)2 + 4(H)2(O)
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