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2 Co{2+} + Sn{4+} = 2 Co{3+} + Sn{2+}
C4H9Br + Mg + CO2 + HCl = C5H10O2 + MgBr2 + Cl =>
2 C4H9Br + Mg + 2 CO2 + 2 HCl = 2 C5H10O2 + MgBr2 + 2 Cl
Na2SO3 + Cl2 + H2O = NaCl + SO4{2-} + H{+} =>
Na2SO3 + Cl2 + H2O = 2 NaCl + SO4{2-} + 2 H{+}
FeO + S = FeS + SO2 =>
2 FeO + 3 S = 2 FeS + SO2
Se + Si = SiSe2 =>
2 Se + Si = SiSe2
HCI + NaOH = H2O + NaCI =>
HCI + NaOH = H2O + NaCI
Sn + Hg(NO3)2 = Sn(NO3) + Hg =>
2 Sn + Hg(NO3)2 = 2 Sn(NO3) + Hg
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
K2Cr2O7 + Ca(OH)2 = KOH + Ca2(Cr2O7)2 =>
2 K2Cr2O7 + 2 Ca(OH)2 = 4 KOH + Ca2(Cr2O7)2
Mg + CuSO4 = MgSO4 + Cu =>
Mg + CuSO4 = MgSO4 + Cu
CaSO3 = SO2CaO =>
CaSO3 = SO2CaO
KI + Ca(NO3)2 = CaI2 + K(NO3) =>
2 KI + Ca(NO3)2 = CaI2 + 2 K(NO3)
Ag{+} + Fe(SCN){2+} = Ag + Fe(SCN){3+} =>
Ag{+} + Fe(SCN){2+} = Ag + Fe(SCN){3+}
HCO2 + H2O = C6H12O6 + O2 =>
12 HCO2 + 6 H2O = 2 C6H12O6 + 9 O2
NaOH(cr) = Na2O(cr) + H2O(l) =>
2 NaOH(cr) = Na2O(cr) + H2O(l)
Cr2O7{-2} + H{+} + HNO2 = Cr{+3} + H2O + NO3 =>
Cr2O7{-2} + 8 H{+} + 2 HNO2 = 2 Cr{+3} + 5 H2O + 2 NO3
C6H4Cl2 + H2O2 = CO2 + H2O + Cl{-} + H{+} =>
C6H4Cl2 + 13 H2O2 = 6 CO2 + 14 H2O + 2 Cl{-} + 2 H{+}
NaCN + O2 + Au + H2O = NaAu(CN)2 + NaOH =>
8 NaCN + O2 + 4 Au + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
SCo2 + Zn = SZn + Co =>
SCo2 + Zn = SZn + 2 Co
SnS2 = SnS + S =>
SnS2 = SnS + S
C2H5COOC2H5 + Na = C2H5COONa + C2H5 =>
C2H5COOC2H5 + Na = C2H5COONa + C2H5
Mg + (ZnNO3)2 = Mg(NO3)2 + Zn =>
Mg + (ZnNO3)2 = Mg(NO3)2 + 2 Zn
Zn + NaClO3 + NaOH + H2O = Na2[Zn(OH)4] + Cl2 =>
5 Zn + 2 NaClO3 + 8 NaOH + 6 H2O = 5 Na2[Zn(OH)4] + Cl2
NaCl + KNO3 = KCl + Na(NO3) =>
NaCl + KNO3 = KCl + Na(NO3)
N2(g) + O2(g) = NO2(g) =>
N2(g) + 2 O2(g) = 2 NO2(g)
C6H12O6 + MnO2 + H2SO4 = MnSO4 + CO2 + H2O =>
C6H12O6 + 12 MnO2 + 12 H2SO4 = 12 MnSO4 + 6 CO2 + 18 H2O
KHT + NaOH = KHTNaOH =>
KHT + NaOH = KHTNaOH
H2O3 + NaOH + H2O = NaH(OH)4 =>
H2O3 + 2 NaOH + 3 H2O = 2 NaH(OH)4
KBiO3 + KI + H2SO4 = I2 + K2SO4 + BiOI + H2O =>
KBiO3 + 3 KI + 2 H2SO4 = I2 + 2 K2SO4 + BiOI + 2 H2O
Mg + HCl = Mg2Cl2 + H =>
2 Mg + 2 HCl = Mg2Cl2 + 2 H
AgNO3 + CaF2 = AgF + Ca(NO3)2 =>
2 AgNO3 + CaF2 = 2 AgF + Ca(NO3)2
FeO + Ca(OH)2 = Fe(OH)2 + CaO =>
FeO + Ca(OH)2 = Fe(OH)2 + CaO
Au + HBrO2 = AuBrO2 + H =>
Au + HBrO2 = AuBrO2 + H
Cr + K = CrK3 =>
Cr + 3 K = CrK3
sodiumsulfate + zincchloride = sodiumchloride + zincsulfate =>
Na2SO4 + ZnCl2 = 2 NaCl + ZnSO4
NH3 + Ca = Ca(NH2)2 + H2 =>
2 NH3 + Ca = Ca(NH2)2 + H2
PB(No3)2 + KI = KNo3 + PBI2 =>
PB(No3)2 + 2 KI = 2 KNo3 + PBI2
C5H9OH + KMnO4 + H2SO4 = C4H9COOH + K2SO4 + MnSO4 + H2O =>
5 C5H9OH + 2 KMnO4 + 3 H2SO4 = 5 C4H9COOH + K2SO4 + 2 MnSO4 + 3 H2O
No2 + H2O = HNo3 + O2 =>
6 No2 + 2 H2O = 4 HNo3 + O2
Na + Pb = NaPb =>
Na + Pb = NaPb
(CH3COO)2Pb + NaOH = CH3COONa + Pb(OH)2 =>
(CH3COO)2Pb + 2 NaOH = 2 CH3COONa + Pb(OH)2
Ce(OH)3 + H2SO4 = Ce2(SO4)3 + H2O =>
2 Ce(OH)3 + 3 H2SO4 = Ce2(SO4)3 + 6 H2O
HMnO4 = HMnO + O2 =>
2 HMnO4 = 2 HMnO + 3 O2
H2O2(aq) = O2(g) + H2O =>
2 H2O2(aq) = O2(g) + 2 H2O
K2Cr2O7 + PbCl2 = KCl + PbCr2O7 =>
K2Cr2O7 + PbCl2 = 2 KCl + PbCr2O7
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
Fe3 + AgBr = FeBr + Ag =>
Fe3 + 3 AgBr = 3 FeBr + 3 Ag
PbS + HNO3 = Pb(NO3)2 + NO2 + SO2 + H2O =>
PbS + 8 HNO3 = Pb(NO3)2 + 6 NO2 + SO2 + 4 H2O
FeSO3 + HCl = FeCl2 + H2SO3 =>
FeSO3 + 2 HCl = FeCl2 + H2SO3
H2O3 + NaOH + H2O = NaH(OH)4 =>
H2O3 + 2 NaOH + 3 H2O = 2 NaH(OH)4
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