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2 NaCl(s) + H2SO4(ac) = 2 HCl(g) + Na2SO4(s)
Na3[Co(NO2)6] + KNO3 = K3[Co(NO2)6] + NaNO3 =>
Na3[Co(NO2)6] + 3 KNO3 = K3[Co(NO2)6] + 3 NaNO3
ZnCl2 + K3Fe(CN)6 = ZnKFe(CN)6 + KCl =>
ZnCl2 + K3Fe(CN)6 = ZnKFe(CN)6 + 2 KCl
KBr + HCl = KCl + HBr =>
KBr + HCl = KCl + HBr
Al + Fe(ClO3)2 = Al(ClO3) + Fe =>
2 Al + Fe(ClO3)2 = 2 Al(ClO3) + Fe
Ba + Fe2O3 = BaO + Fe =>
3 Ba + Fe2O3 = 3 BaO + 2 Fe
H(NO2) = H2O + N2O3 =>
2 H(NO2) = H2O + N2O3
Mg + H = MgH2 =>
Mg + 2 H = MgH2
Br2 + NaOH = NaBr + NaBrO3 + H2O =>
3 Br2 + 6 NaOH = 5 NaBr + NaBrO3 + 3 H2O
F4S + H2O = SO2 + HF =>
F4S + 2 H2O = SO2 + 4 HF
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
HCO3 + H = H2O + CO2 =>
HCO3 + H = H2O + CO2
H2 + K2 = HK =>
H2 + K2 = 2 HK
PbS + H2O = PbSO4 + H2 =>
PbS + 4 H2O = PbSO4 + 4 H2
CO + NO = CO2 + N =>
CO + NO = CO2 + N
Cu[NO3]2 + KCl = CuCl2 + KNO3 =>
Cu[NO3]2 + 2 KCl = CuCl2 + 2 KNO3
NH4Cl + CH3COONa = NaCl + CH3COONH4 =>
NH4Cl + CH3COONa = NaCl + CH3COONH4
Co(OH)3 + H{+} = Co{2+} + O2 + H2O =>
4 Co(OH)3 + 8 H{+} = 4 Co{2+} + O2 + 10 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Na2SO3 + H3PO4 = H2SO3 + Na3PO4 =>
3 Na2SO3 + 2 H3PO4 = 3 H2SO3 + 2 Na3PO4
I + H2SO4 = ISO4 + H =>
I + H2SO4 = ISO4 + 2 H
BaO + CO2 = BaCO3 =>
BaO + CO2 = BaCO3
H3BO3 + LiOH = Li3BO3 + H2O =>
H3BO3 + 3 LiOH = Li3BO3 + 3 H2O
FeSO4 + K2CrO4 + KOH = Fe3O4 + K2SO4 + H2O + Cr2(SO4)3 =>
9 FeSO4 + 2 K2CrO4 + 8 KOH = 3 Fe3O4 + 6 K2SO4 + 4 H2O + Cr2(SO4)3
KOH + Al(NO3)3 = Al(OH)3 + KNO3 =>
3 KOH + Al(NO3)3 = Al(OH)3 + 3 KNO3
CH3CH2OH = CH3CH2OCH2CH3 + H2O =>
2 CH3CH2OH = CH3CH2OCH2CH3 + H2O
C20 + O2 = CO2 =>
C20 + 20 O2 = 20 CO2
CCl4 + Br2 = CBr4 + Cl2 =>
CCl4 + 2 Br2 = CBr4 + 2 Cl2
C3H8O + Cr2O7{-2} + H{+} = C3H6O + Cr{+3} + H2O =>
3 C3H8O + Cr2O7{-2} + 8 H{+} = 3 C3H6O + 2 Cr{+3} + 7 H2O
NiCl2(aq) + CuSO4(aq) = NiSO4(s) + CuCl2(aq) =>
NiCl2(aq) + CuSO4(aq) = NiSO4(s) + CuCl2(aq)
Fe2O3 + Na2O2 = Na2FeO4 + Na2O =>
Fe2O3 + 3 Na2O2 = 2 Na2FeO4 + Na2O
C19H40 + S2O3{2-} + H2O = CH3COO{-} + HS{-} + H{+} =>
2 C19H40 + 10 S2O3{2-} + 8 H2O = 19 CH3COO{-} + 20 HS{-} + 19 H{+}
H2SO3(aq) + KOH(aq) = K2SO3(aq) + H2O(l) =>
H2SO3(aq) + 2 KOH(aq) = K2SO3(aq) + 2 H2O(l)
FeCO3 + H2O = Fe3O4 + CH4 + CO2 =>
12 FeCO3 + 2 H2O = 4 Fe3O4 + CH4 + 11 CO2
MgCl2 + NaOH = Mg(OH)2 + NaCl =>
MgCl2 + 2 NaOH = Mg(OH)2 + 2 NaCl
Mo2O5 + H2O = Mo(OH)5 =>
Mo2O5 + 5 H2O = 2 Mo(OH)5
Na(s) + H2O = Na{+}(aq) + OH{-}(aq) + H2(g) =>
2 Na(s) + 2 H2O = 2 Na{+}(aq) + 2 OH{-}(aq) + H2(g)
NH4(NO3)*5Ca(NO3)2*10H2O + KCl = KNO3 + NH4Cl + CaCl2 + H2O =>
NH4(NO3)*5Ca(NO3)2*10H2O + 11 KCl = 11 KNO3 + NH4Cl + 5 CaCl2 + 10 H2O
HgNO3 + NaOH = NaNO3 + H2O + Hg2O =>
2 HgNO3 + 2 NaOH = 2 NaNO3 + H2O + Hg2O
Zr + N = ZrN =>
Zr + N = ZrN
Zn + N2 = ZnN =>
2 Zn + N2 = 2 ZnN
CuCl2 + O2 = CuO2 + Cl2 =>
CuCl2 + O2 = CuO2 + Cl2
Na3AsO3 + KMnO4 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H3AsO4 + H2O =>
10 Na3AsO3 + 4 KMnO4 + 21 H2SO4 = 4 MnSO4 + 15 Na2SO4 + 2 K2SO4 + 10 H3AsO4 + 6 H2O
K2Cr2O7 + C12H22O11 = Cr2O3 + K2CO3 + CO2 + H2O =>
8 K2Cr2O7 + C12H22O11 = 8 Cr2O3 + 8 K2CO3 + 4 CO2 + 11 H2O
C7H6O3 + NaOH = C7H4O3Na2 + H2O =>
C7H6O3 + 2 NaOH = C7H4O3Na2 + 2 H2O
BaCl2 + CO3 = BaCO3 + Cl =>
BaCl2 + CO3 = BaCO3 + 2 Cl
NaClO2 + C6H8O7 = ClO2 + C6H5Na3O7 + NaCl + H2O =>
15 NaClO2 + 4 C6H8O7 = 12 ClO2 + 4 C6H5Na3O7 + 3 NaCl + 6 H2O
Ca(NO3)2 + Na2C2O4 = CaC2O4 + NaNO3 =>
Ca(NO3)2 + Na2C2O4 = CaC2O4 + 2 NaNO3
CH4 + H2SO4 = CH3HSO3 + H2O =>
CH4 + H2SO4 = CH3HSO3 + H2O
NaI + MgSO4 = Na2SO4 + MgI2 =>
2 NaI + MgSO4 = Na2SO4 + MgI2
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