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2 KMnO4 + 8 H2SO4 + 10 SnCl2 = 2 MnSO4 + K2SO4 + 5 SnCl4 + 8 H2O + 5 SnSO4
C2H4O(l) + O2(g) = CO2(g) + H2O(l) =>
2 C2H4O(l) + 5 O2(g) = 4 CO2(g) + 4 H2O(l)
Os + HNO3 = Os(NO3)2 + H2O + NO =>
3 Os + 8 HNO3 = 3 Os(NO3)2 + 4 H2O + 2 NO
Al + Ba(OH)2 + H2O = Ba[Al(OH)6] + H2 =>
Al + Ba(OH)2 + 4 H2O = Ba[Al(OH)6] + 2 H2
MgFe4(SO4)6(OH)2*20H2O = Mg{2+} + Fe{2+} + S{4+} + O{2-} + H2O + SO4 =>
MgFe4(SO4)6(OH)2*20H2O = Mg{2+} + 4 Fe{2+} + 2 S{4+} + 9 O{2-} + 21 H2O + 4 SO4
Cl2 + AlI = AlCl3 + I2 =>
3 Cl2 + 2 AlI = 2 AlCl3 + I2
Al + FeSO4 = Al2(SO4)3 + Fe =>
2 Al + 3 FeSO4 = Al2(SO4)3 + 3 Fe
C3 + O2 = C2O3 =>
4 C3 + 9 O2 = 6 C2O3
(CN) + H2O = H2C2O4 + NH3 =>
2(CN) + 4 H2O = H2C2O4 + 2 NH3
NH4OH + KOH = H2O2 + KNH4 =>
NH4OH + KOH = H2O2 + KNH4
FeCl3(aq) + KI(aq) = I2(s) + FeCl2(aq) + KCl(aq) =>
2 FeCl3(aq) + 2 KI(aq) = I2(s) + 2 FeCl2(aq) + 2 KCl(aq)
Na2S2O3 + Cl2 + H2O = Na2SO4 + HCl + S =>
Na2S2O3 + Cl2 + H2O = Na2SO4 + 2 HCl + S
Mg(s) + HCl(l) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(l) = MgCl2(aq) + H2(g)
Cr(OH)2 = Cr2O3 + H2 + H2O =>
2 Cr(OH)2 = Cr2O3 + H2 + H2O
SiCl4 + Zn = Si + ZnCl2 =>
SiCl4 + 2 Zn = Si + 2 ZnCl2
W + O2 = W2O5 =>
4 W + 5 O2 = 2 W2O5
Ca3(PO4)2(aq) + H2SO4(aq) = CaSO4(s) + Ca(H2PO4)2(aq) =>
Ca3(PO4)2(aq) + 2 H2SO4(aq) = 2 CaSO4(s) + Ca(H2PO4)2(aq)
OH{-} + ClO{-} + CrO2{-} = Cl{-} + CrO4{-2} + H2O =>
2 OH{-} + 3 ClO{-} + 2 CrO2{-} = 3 Cl{-} + 2 CrO4{-2} + H2O
Fe(OH)3 + H2CO3 = H2O + Fe2(CO3)3 =>
2 Fe(OH)3 + 3 H2CO3 = 6 H2O + Fe2(CO3)3
Cl + O + H = ClOH =>
Cl + O + H = ClOH
HN3 + H2O = NH4 + OH =>
HN3 + 11 H2O = 3 NH4 + 11 OH
Na2S + H2S = Na2S5 + H2 =>
Na2S + 4 H2S = Na2S5 + 4 H2
HNO3 + H = N2 + H2O =>
2 HNO3 + 10 H = N2 + 6 H2O
Cr(OH)2 = Cr2O3 + H2 + H2O =>
2 Cr(OH)2 = Cr2O3 + H2 + H2O
NaHCO3(s) + HCl = NaCl + H2O + CO2(g) =>
NaHCO3(s) + HCl = NaCl + H2O + CO2(g)
Pb + KOH + H2O = K2[Pb(OH)6] + H2 =>
Pb + 2 KOH + 4 H2O = K2[Pb(OH)6] + 2 H2
CH = C2 + H2 =>
2 CH = C2 + H2
Cu(s) + H2O(l) = Cu(OH)2(aq) + H2(g) =>
Cu(s) + 2 H2O(l) = Cu(OH)2(aq) + H2(g)
Zn + CuCO3 = ZnCO3 + Cu =>
Zn + CuCO3 = ZnCO3 + Cu
MnO4{-} + S2O5{2-} + H2O = MnO2 + SO4{2-} + H{+} =>
4 MnO4{-} + 3 S2O5{2-} + H2O = 4 MnO2 + 6 SO4{2-} + 2 H{+}
KMnO4(aq) + H2C2O4(aq) + H2SO4(aq) = MnSO4(aq) + CO2(g) + K2SO4(aq) + H2O(l) =>
2 KMnO4(aq) + 5 H2C2O4(aq) + 3 H2SO4(aq) = 2 MnSO4(aq) + 10 CO2(g) + K2SO4(aq) + 8 H2O(l)
HCl(aq) + NaHCO3 = NaCl + H2CO3 =>
HCl(aq) + NaHCO3 = NaCl + H2CO3
C2H5OH + CuO = CH3COOH + Cu + H2O =>
C2H5OH + 2 CuO = CH3COOH + 2 Cu + H2O
Pb(s) + CuCl2(aq) = PbCl2 + Cu =>
Pb(s) + CuCl2(aq) = PbCl2 + Cu
S3 + H2 = H2S =>
S3 + 3 H2 = 3 H2S
Na2SO4 = O2 + Na2S =>
Na2SO4 = 2 O2 + Na2S
Mn + HNO3 = Mn(NO3)2 + NO + H2O =>
3 Mn + 8 HNO3 = 3 Mn(NO3)2 + 2 NO + 4 H2O
Na2SO3{2-} + HNO3 = Na2SO4{2-} + NO2 + H2O =>
Na2SO3{2-} + 2 HNO3 = Na2SO4{2-} + 2 NO2 + H2O
Ag + K2CrO4 = Ag2CrO4 + K2 =>
2 Ag + K2CrO4 = Ag2CrO4 + K2
Li + K2O = Li2O + K =>
2 Li + K2O = Li2O + 2 K
PF3 + F2 = PF5 =>
PF3 + F2 = PF5
Zn + CuCl3 = ZnCl2 + Cu =>
3 Zn + 2 CuCl3 = 3 ZnCl2 + 2 Cu
K2SO4 + Pb = PbSO4 + K =>
K2SO4 + Pb = PbSO4 + 2 K
Al(s) + S(s) = Al(s)S(s) =>
Al(s) + S(s) = Al(s)S(s)
C6H10O + HNO3 = C6H10O4 + N2O + H2O =>
4 C6H10O + 6 HNO3 = 4 C6H10O4 + 3 N2O + 3 H2O
PbCl2 + NaOH = Pb(OH)2 + NaCl =>
PbCl2 + 2 NaOH = Pb(OH)2 + 2 NaCl
ZnS + HNO3 = ZnSO4 + NO2 + H2O =>
ZnS + 8 HNO3 = ZnSO4 + 8 NO2 + 4 H2O
Na4SiO4(s) = Na + Si + O2 =>
Na4SiO4(s) = 4 Na + Si + 2 O2
BaO + Cl2O = BaCl2O2 =>
BaO + Cl2O = BaCl2O2
Al + NaOH + H2O = Na[Al(OH)4] + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 Na[Al(OH)4] + 3 H2
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