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2 KI(aq) + H2SO4(aq) = K2SO4(aq) + 2 HI(aq)
SiO2 + Mg = Mg2Si + MgO =>
SiO2 + 4 Mg = Mg2Si + 2 MgO
K(s) + HBr(aq) = KBr(aq) + H2(g) =>
2 K(s) + 2 HBr(aq) = 2 KBr(aq) + H2(g)
K2CO3 + CdI2 = KI + CdCO3 =>
K2CO3 + CdI2 = 2 KI + CdCO3
N2 + He = N2He =>
N2 + He = N2He
H2O + HAuCl4 + NaBH4 = Au + H3BO3 + NaCl + HCl =>
9 H2O + 8 HAuCl4 + 3 NaBH4 = 8 Au + 3 H3BO3 + 3 NaCl + 29 HCl
PbS + H2SO4 = PbSO4 + H2S =>
PbS + H2SO4 = PbSO4 + H2S
KMnO4 + NaOH = O2 + K2MnO4 + Na2MnO4 + H2O =>
4 KMnO4 + 4 NaOH = O2 + 2 K2MnO4 + 2 Na2MnO4 + 2 H2O
HBr + NH3 = NH4 + Br2 =>
2 HBr + 2 NH3 = 2 NH4 + Br2
C2O2 + H2O = C6H12O6 + O2 =>
3 C2O2 + 6 H2O = C6H12O6 + 3 O2
Mg + O2(g) = MgO2 =>
Mg + O2(g) = MgO2
H2SO4(aq) + CaCO3(aq) = H2CO3 + CaSO4 =>
H2SO4(aq) + CaCO3(aq) = H2CO3 + CaSO4
MgCl2 = Mg + Cl =>
MgCl2 = Mg + 2 Cl
Br2 + K(OH) = KBr + K(BrO3) + H2O =>
3 Br2 + 6 K(OH) = 5 KBr + K(BrO3) + 3 H2O
BF3 + NH3 = BF3NH3 =>
BF3 + NH3 = BF3NH3
K2S + Zn = ZnS + K =>
K2S + Zn = ZnS + 2 K
C2H5NH2 + HCl + H2O = NH4Cl + C2H5OH =>
C2H5NH2 + HCl + H2O = NH4Cl + C2H5OH
Mg(NO3)2(aq) + NaOH(aq) = Mg(OH)2(aq) + NaNO3(aq) =>
Mg(NO3)2(aq) + 2 NaOH(aq) = Mg(OH)2(aq) + 2 NaNO3(aq)
ZnCl2 + Na2SiO2 = ZnSiO2 + NaCl =>
ZnCl2 + Na2SiO2 = ZnSiO2 + 2 NaCl
CaH2 + H2O = Ca(OH)2 + H2 =>
CaH2 + 2 H2O = Ca(OH)2 + 2 H2
SO3{-2} + H2O = SO4{-2} + H{+} + {-} =>
SO3{-2} + H2O = SO4{-2} + 2 H{+} + 2e
Cr + FeO = CrO + Fe =>
Cr + FeO = CrO + Fe
C3H8O + CrO3 + H2SO4 = Cr2(SO4)3 + C3H6O + H2O =>
3 C3H8O + 2 CrO3 + 3 H2SO4 = Cr2(SO4)3 + 3 C3H6O + 6 H2O
Mg2 + H2O = MgO + H2 =>
Mg2 + 2 H2O = 2 MgO + 2 H2
NaOH(aq) + H2CO3(aq) = Na2CO3 + H2O(l) =>
2 NaOH(aq) + H2CO3(aq) = Na2CO3 + 2 H2O(l)
CH3CHCH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
10 CH3CHCH3 + 14 KMnO4 + 21 H2SO4 = 15 CH3COOH + 26 H2O + 14 MnSO4 + 7 K2SO4
BCl3 + NH3 = Cl3BNH3 =>
BCl3 + NH3 = Cl3BNH3
Na2ZnOH4 + H2O = NaOH + Zn + H2 =>
Na2ZnOH4 + H2O = 2 NaOH + Zn + 2 H2
S8 + KI = SI + K =>
S8 + 8 KI = 8 SI + 8 K
C10H22 = C4H10 + C2H4 =>
C10H22 = C4H10 + 3 C2H4
MnSO4 + H2S = MnS + H2SO4 =>
MnSO4 + H2S = MnS + H2SO4
Li[AlH4] + H2O = Li{+} + OH{-} + Al2O3 + H2 =>
2 Li[AlH4] + 5 H2O = 2 Li{+} + 2 OH{-} + Al2O3 + 8 H2
HNO3 + H = NO2 + H2O =>
HNO3 + H = NO2 + H2O
NaFeO2 + NaNO3 + NaOH = Na2FeO4 + H2O + NaNO2 =>
2 NaFeO2 + 3 NaNO3 + 2 NaOH = 2 Na2FeO4 + H2O + 3 NaNO2
Ca(CO3) + Na = Na(CO3) + Ca =>
Ca(CO3) + Na = Na(CO3) + Ca
ZnSO4 + HOH = Zn(OH)2 + H2SO4 =>
ZnSO4 + 2 HOH = Zn(OH)2 + H2SO4
C2H4O + Cl2 = CCl4 + HCl + HClO =>
C2H4O + 6 Cl2 = 2 CCl4 + 3 HCl + HClO
As2O3(s) + H2(g) = As(s) + H2O(l) =>
As2O3(s) + 3 H2(g) = 2 As(s) + 3 H2O(l)
Au(CN)2 + Zn(s) = Zn(CN)4 + Au(s) =>
2 Au(CN)2 + Zn(s) = Zn(CN)4 + 2 Au(s)
K2SiO3 + HF = H2SiF6 + KF + H2O =>
K2SiO3 + 8 HF = H2SiF6 + 2 KF + 3 H2O
FeSO4 = Fe2O3 + SO2 + O2 =>
4 FeSO4 = 2 Fe2O3 + 4 SO2 + O2
Ca3(PO4)2 = Ca{+2} + PO4{-3} =>
Ca3(PO4)2 = 3 Ca{+2} + 2 PO4{-3}
C6H8O7 + KOH = C6H5O7K3 + H2O =>
C6H8O7 + 3 KOH = C6H5O7K3 + 3 H2O
H2O + HPO3{-} + OBr{-} = Br{-} + PO4{-3} + H{+} =>
H2O + 2 HPO3{-} + OBr{-} = Br{-} + 2 PO4{-3} + 4 H{+}
MgCO3 + HCl = MgCl2 + H2O + CO2 =>
MgCO3 + 2 HCl = MgCl2 + H2O + CO2
C2H3 + HCl = C2H5Cl2 =>
C2H3 + 2 HCl = C2H5Cl2
C4H5N3O + O2 = CO2 + H2O + N =>
4 C4H5N3O + 19 O2 = 16 CO2 + 10 H2O + 12 N
H2SO3 + Ca(OH)2 = Ca(SO3) + H2O =>
H2SO3 + Ca(OH)2 = Ca(SO3) + 2 H2O
CH4 + Cl2 + F2 = CF2Cl2 + HCl =>
CH4 + 3 Cl2 + F2 = CF2Cl2 + 4 HCl
Cr2O7{2-} + Cl{-} + H{+} = Cr3{+} + H2O + Cl2 =>
3 Cr2O7{2-} + 34 Cl{-} + 42 H{+} = 2 Cr3{+} + 21 H2O + 17 Cl2
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