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3 Na2S2O4 + Fe2O3 = 3 Na2S2O5 + 2 Fe
CoOC = COCo =>
CoOC = COCo
PbO + H2 = Pb + H2O =>
PbO + H2 = Pb + H2O
HBr + Co = H2 + CoBr3 =>
6 HBr + 2 Co = 3 H2 + 2 CoBr3
K + B2O3 = BK3 + O2 =>
12 K + 2 B2O3 = 4 BK3 + 3 O2
C6H12O6 + O2 = COO2 + H2O =>
C6H12O6 + 9 O2 = 6 COO2 + 6 H2O
H2SO4 + Fe(NO3)3 = Fe2(SO4)3 + HNO3 =>
3 H2SO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 6 HNO3
MnO2 + KBr + H2SO4 = MnSO4 + H2O + Br2 + KHSO4 =>
MnO2 + 2 KBr + 3 H2SO4 = MnSO4 + 2 H2O + Br2 + 2 KHSO4
NaHSO3 + HF = NaF + H2O(l) + SO2 =>
NaHSO3 + HF = NaF + H2O(l) + SO2
KMnO4 + NaCl = ClMnO4 + NaK =>
KMnO4 + NaCl = ClMnO4 + NaK
Ba(BrO3)2(aq) + Na3PO4(aq) = Ba3(PO4)2 + Na(BrO3) =>
3 Ba(BrO3)2(aq) + 2 Na3PO4(aq) = Ba3(PO4)2 + 6 Na(BrO3)
KBr + HMnO4 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
10 KBr + 2 HMnO4 + 7 H2SO4 = 5 Br2 + 2 MnSO4 + 5 K2SO4 + 8 H2O
CuO + C2H5Br = Cu + C2H5OBr =>
CuO + C2H5Br = Cu + C2H5OBr
HCl + (NH3)NaOH = NaCl + H2O + NH3 =>
HCl + (NH3)NaOH = NaCl + H2O + NH3
C6H14O + HCl = C6H13Cl + H2O =>
C6H14O + HCl = C6H13Cl + H2O
NH4Cl + Na2SO4 = NH4SO4 + Na2Cl =>
NH4Cl + Na2SO4 = NH4SO4 + Na2Cl
Cu(SO4)3 + Zn = CuZn + (SO4)3 =>
Cu(SO4)3 + Zn = CuZn + (SO4)3
Cl2 + KOH = KCl + KClO + H2O =>
Cl2 + 2 KOH = KCl + KClO + H2O
K2SO4 + NH4HCO3 = K2CO3 + (NH4)2SO4 + CO2 + H2O =>
K2SO4 + 2 NH4HCO3 = K2CO3 + (NH4)2SO4 + CO2 + H2O
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
citricacid + potassiumnitrate = H2O + CO2 + N2 + K2CO3 =>
5 C6H8O7 + 18 KNO3 = 20 H2O + 21 CO2 + 9 N2 + 9 K2CO3
KSCN + NaHSO4 = KHSO4 + NaSCN =>
KSCN + NaHSO4 = KHSO4 + NaSCN
SrCl2(aq) + K2SO4(aq) = SrSO4 + KCl =>
SrCl2(aq) + K2SO4(aq) = SrSO4 + 2 KCl
Fe2SO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO2 + H2O =>
Fe2SO4 + 4 HNO3 + 2 H2SO4 = Fe2(SO4)3 + 4 NO2 + 4 H2O
CH3CH2OH + HCOOH = CH3COOCH2H + H2O =>
CH3CH2OH + HCOOH = CH3COOCH2H + H2O
Cr2O7 + C6H6O6 = CO2 + H2O + Cr =>
9 Cr2O7 + 7 C6H6O6 = 42 CO2 + 21 H2O + 18 Cr
Al2(SO4)3 + Sr(NO3)2 = Sr2(SO4)2 + Al(NO3)3 =>
2 Al2(SO4)3 + 6 Sr(NO3)2 = 3 Sr2(SO4)2 + 4 Al(NO3)3
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
C2H4O2 + O2 = CO2 + H2O =>
C2H4O2 + 2 O2 = 2 CO2 + 2 H2O
Na2SO4 + BaNO32 = BaSO4 + Na2NO32 =>
Na2SO4 + BaNO32 = BaSO4 + Na2NO32
K{+} + e = K =>
K{+} + e = K
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Li2O + Al = Li2OAl =>
Li2O + Al = Li2OAl
C(s) + O5(g) = CO2(g) =>
5 C(s) + 2 O5(g) = 5 CO2(g)
Al{3+} + Fe{2+} = Al + Fe{3+} =>
Al{3+} + 3 Fe{2+} = Al + 3 Fe{3+}
CO2 + Ca(OH)2 = Ca(OH)2CO2 =>
CO2 + Ca(OH)2 = Ca(OH)2CO2
KMnO4 + NaOH + NaNO2 = K2MnO4 + Na2MnO4 + NaNO3 + H2O =>
2 KMnO4 + 2 NaOH + NaNO2 = K2MnO4 + Na2MnO4 + NaNO3 + H2O
Fe5 + HCl = FeCl2 + H2 =>
Fe5 + 10 HCl = 5 FeCl2 + 5 H2
CO + Fe2O4 = CO2 + Fe =>
4 CO + Fe2O4 = 4 CO2 + 2 Fe
C10H22 + O2 = CO2 + H2O =>
2 C10H22 + 31 O2 = 20 CO2 + 22 H2O
C2H5N + O2 = H2O + CO2 + N =>
4 C2H5N + 13 O2 = 10 H2O + 8 CO2 + 4 N
Sr + K = SrK =>
Sr + K = SrK
Na3P + KMnO4 + H2O = MnO2 + KOH + Na3PO4 =>
3 Na3P + 8 KMnO4 + 4 H2O = 8 MnO2 + 8 KOH + 3 Na3PO4
C5H15(l) + O2(g) = CO2(g) + H2O(g) =>
4 C5H15(l) + 35 O2(g) = 20 CO2(g) + 30 H2O(g)
Ba(OH2) + Co2 = BaCo3 + H2O =>
2 Ba(OH2) + 3 Co2 = 2 BaCo3 + 2 H2O
Li2CO3 + CrBr3 = Cr2(CO3)3 + LiBr =>
3 Li2CO3 + 2 CrBr3 = Cr2(CO3)3 + 6 LiBr
Cl2 + K2S = S + KCl =>
Cl2 + K2S = S + 2 KCl
MgO + Na = MgNa + O2 =>
2 MgO + 2 Na = 2 MgNa + O2
Fe(C2H3O2)3 + Na = Fe + NaC2H3O2 =>
Fe(C2H3O2)3 + 3 Na = Fe + 3 NaC2H3O2
Cl + Sr = SrCl =>
Cl + Sr = SrCl
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