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2 Sc(NO3)3 + 3 Ba(OH)2 = 2 Sc(OH)3 + 3 Ba(NO3)2
O7 = O9 =>
9 O7 = 7 O9
(NH4)2SO3 + HCl = NH4 + Cl + SO2 + H2O =>
(NH4)2SO3 + 2 HCl = 2 NH4 + 2 Cl + SO2 + H2O
(NH4)3(PO4) + (Na2)(SO4) = (NH4)2(SO4) + (Na)3(PO4) =>
2(NH4)3(PO4) + 3(Na2)(SO4) = 3(NH4)2(SO4) + 2(Na)3(PO4)
NaHCO3(aq) + HCl(aq) = H2CO3(aq) + NaCl(aq) = CO2(g) + H2O(l) =>
NaHCO3(aq) + HCl(aq) = H2CO3(aq) + NaCl(aq)
Fe + SO7 = Fe2SO7 =>
2 Fe + SO7 = Fe2SO7
NaOH(aq) + HI(aq) = NaI(aq) + H2O(l) =>
NaOH(aq) + HI(aq) = NaI(aq) + H2O(l)
Si(OH)4 + NaOH = Na2SiO3 + H2O =>
Si(OH)4 + 2 NaOH = Na2SiO3 + 3 H2O
HNO3(aq) + Ca(HCO3)2(aq) = Ca(NO3)2(aq) + H2O(l) + CO2(g) =>
2 HNO3(aq) + Ca(HCO3)2(aq) = Ca(NO3)2(aq) + 2 H2O(l) + 2 CO2(g)
Ag + HNO3 + H{+} = Ag{+} + NO2 + H2O =>
Ag + HNO3 + H{+} = Ag{+} + NO2 + H2O
NH4OH + NaOH = H2O + NaNH2 =>
NH4OH + NaOH = 2 H2O + NaNH2
Co + CuCO3 = CoCO3 + Cu =>
Co + CuCO3 = CoCO3 + Cu
NaNO3 + ZnUO2(CH3COO)4 = Na(ZnUO2(CH3COO)4) + NO3 =>
NaNO3 + ZnUO2(CH3COO)4 = Na(ZnUO2(CH3COO)4) + NO3
Sn{2+} + Hg{2+} = Sn{4+} + Hg2{2+}redox =>
Sn{2+} + 2 Hg{2+} = Sn{4+} + Hg2{2+}redox
I2 + HSO3{-} + H2O = I{-} + HSO4{-} + H{+} =>
I2 + HSO3{-} + H2O = 2 I{-} + HSO4{-} + 2 H{+}
Na2SO3 + OH = NaOH + SO3 =>
Na2SO3 + 2 OH = 2 NaOH + SO3
H2SO4 + NaSCN + C2H4NH = Na2SO4 + H3CCH2NHSCN =>
H2SO4 + 2 NaSCN + 2 C2H4NH = Na2SO4 + 2 H3CCH2NHSCN
CH3COOH + NH4OH = CH3COO + H2O + NH4 =>
CH3COOH + NH4OH = CH3COO + H2O + NH4
FeS + H2SO4 + KMnO4 = FeSO4 + K2SO4 + MnSO4 + H2O =>
5 FeS + 12 H2SO4 + 8 KMnO4 = 5 FeSO4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
C2H5OH + KMnO4 = KC2H3O2 + KOH + MnO2 + H2O =>
3 C2H5OH + 4 KMnO4 = 3 KC2H3O2 + KOH + 4 MnO2 + 4 H2O
Pb(NO3)2 + KOH = PbH + KO(NO3)2 =>
Pb(NO3)2 + KOH = PbH + KO(NO3)2
Pb(s) + HNO3(s) = Pb(NO3)4(aq) + H2(g) =>
Pb(s) + 4 HNO3(s) = Pb(NO3)4(aq) + 2 H2(g)
KH2PO4 + K = H + K2HPO4 =>
KH2PO4 + K = H + K2HPO4
CH2CH2 + NaMnO4 = NaCOOCH3 + MnO2 + NaOH + H2O =>
3 CH2CH2 + 4 NaMnO4 = 3 NaCOOCH3 + 4 MnO2 + NaOH + H2O
ReI6 + F2 = Re + F6I2 =>
ReI6 + 9 F2 = Re + 3 F6I2
Fe2(SO4)3 + Zn = ZnSO4 + Fe =>
Fe2(SO4)3 + 3 Zn = 3 ZnSO4 + 2 Fe
Ca + N2 = (Ca)2(N)3 =>
4 Ca + 3 N2 = 2(Ca)2(N)3
Ag + HNO3 + HCl = H[AgCl4] + NO + H2O =>
Ag + HNO3 + 4 HCl = H[AgCl4] + NO + 2 H2O
Na + MgSO4 = NaMg + SO4 =>
Na + MgSO4 = NaMg + SO4
C4H7NaO3 + HCl = NaCl + C4H8O3 =>
C4H7NaO3 + HCl = NaCl + C4H8O3
HgBr2 + AgNO3 = AgBr + Hg(NO3)2 =>
HgBr2 + 2 AgNO3 = 2 AgBr + Hg(NO3)2
HCI + NaOH = NaCI + H2O =>
HCI + NaOH = NaCI + H2O
S + HCl = HS + Cl =>
S + HCl = HS + Cl
H{+} + Fe = Fe{2+} + H2 =>
2 H{+} + Fe = Fe{2+} + H2
BaBr2 + (NH4)2SO3 = BaSO3 + NH4Br =>
BaBr2 + (NH4)2SO3 = BaSO3 + 2 NH4Br
FeCl3 + NH4SCN = FeSCN + NH4Cl3 =>
FeCl3 + NH4SCN = FeSCN + NH4Cl3
Pb + Au(NO3)3 = Pb(NO3)2 + Au =>
3 Pb + 2 Au(NO3)3 = 3 Pb(NO3)2 + 2 Au
Na + C2H2 = NaHC2 + H2 =>
2 Na + 2 C2H2 = 2 NaHC2 + H2
ZnCu = Zn + Cu =>
ZnCu = Zn + Cu
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
S + HCl = HS + Cl =>
S + HCl = HS + Cl
Cr(OH)3 + C3H7NO2 = Cr(C3H6NO2)3 + H2O =>
Cr(OH)3 + 3 C3H7NO2 = Cr(C3H6NO2)3 + 3 H2O
C6H10 + MnO4{-} + H2O = C6H10(OH)2 + MnO2{-} =>
2 C6H10 + MnO4{-} + 2 H2O = 2 C6H10(OH)2 + MnO2{-}
Fe(NO3)3 + KSCN + NaCl = NaNO3 + Fe(SCN)3 + KCl =>
Fe(NO3)3 + 3 KSCN + 3 NaCl = 3 NaNO3 + Fe(SCN)3 + 3 KCl
NH4{+} + Cl{-} + NaOH = NaCl + NH4OH =>
NH4{+} + Cl{-} + NaOH = NaCl + NH4OH
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
TiI4 + F2 = TiF4 + I2 =>
TiI4 + 2 F2 = TiF4 + 2 I2
O7 = O9 =>
9 O7 = 7 O9
ZnO + Nb2O5 = ZnNb2O6 =>
ZnO + Nb2O5 = ZnNb2O6
FeCl3 + H2SO4 = Fe2(SO4)3 + SO2 + Cl2 + H2O =>
2 FeCl3 + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 3 Cl2 + 6 H2O
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