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C2H2Br4 + 4 NaOH = C2H2(OH)4 + 4 NaBr
Fe + HC1 = FeC13 + H2 =>
2 Fe + 26 HC1 = 2 FeC13 + 13 H2
Na2AsO4 + KI + H2SO4 = Na2AsO3 + I2 + KSO4 + H2O =>
2 Na2AsO4 + 2 KI + 2 H2SO4 = 2 Na2AsO3 + I2 + 2 KSO4 + 2 H2O
Al2O3 = Al3 + O2 =>
6 Al2O3 = 4 Al3 + 9 O2
KMnO4 + NH3 = KNO3 + MnO2 + KOH + H2O =>
8 KMnO4 + 3 NH3 = 3 KNO3 + 8 MnO2 + 5 KOH + 2 H2O
LiB(OCH3)4 + C16H34O9 = LiBC64H132O36 + CH3OH =>
LiB(OCH3)4 + 4 C16H34O9 = LiBC64H132O36 + 4 CH3OH
Cu(C2H3O2)2 + K2S = CuS + C2H3O2K =>
Cu(C2H3O2)2 + K2S = CuS + 2 C2H3O2K
Li3X = Li + X2 =>
2 Li3X = 6 Li + X2
H3PO4 + K2CO3 = K3PO4 + H2O + CO2 =>
2 H3PO4 + 3 K2CO3 = 2 K3PO4 + 3 H2O + 3 CO2
CsCl(aq) + K3PO4(aq) = Cs3PO4(aq) + KCl(aq) =>
3 CsCl(aq) + K3PO4(aq) = Cs3PO4(aq) + 3 KCl(aq)
BaOH2 + SO4 = BaSO4 + H2O =>
BaOH2 + SO4 = BaSO4 + H2O
K3Fe(SCN)6 + K2Cr2O7 + H2(SO4) = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2(SO4) + KNO3 =>
2 K3Fe(SCN)6 + 32 K2Cr2O7 + 116 H2(SO4) = Fe2(SO4)3 + 32 Cr2(SO4)3 + 12 CO2 + 116 H2O + 29 K2(SO4) + 12 KNO3
C2H5OH + HNO3 = C2H5NO2 + H2O + CO2 =>
7 C2H5OH + 6 HNO3 = 6 C2H5NO2 + 9 H2O + 2 CO2
F2 + KBr = KF + Br2 =>
F2 + 2 KBr = 2 KF + Br2
C3H8O3(l) + O2(g) = CO2(g) + H2O =>
2 C3H8O3(l) + 7 O2(g) = 6 CO2(g) + 8 H2O
Al + KOH + HOH = Al(OH)4{-} + H2 + K{+} =>
2 Al + 2 KOH + 6 HOH = 2 Al(OH)4{-} + 3 H2 + 2 K{+}
Mg(s) + ZnBr2(aq) = Zn(s) + MgBr2(aq) =>
Mg(s) + ZnBr2(aq) = Zn(s) + MgBr2(aq)
Na2AsO4 + KI + H2SO4 = Na2AsO3 + I2 + KSO4 + H2O =>
2 Na2AsO4 + 2 KI + 2 H2SO4 = 2 Na2AsO3 + I2 + 2 KSO4 + 2 H2O
H(BrO3) + Au(OH) = Au(BrO3) + H2O =>
H(BrO3) + Au(OH) = Au(BrO3) + H2O
Pb + KNO3 = Pb(NO3)2 + K =>
Pb + 2 KNO3 = Pb(NO3)2 + 2 K
CH3COONa + Cr2(SO4)3 + H2O = Cr(OH)3 + CH3COOH + Na2SO4 =>
6 CH3COONa + Cr2(SO4)3 + 6 H2O = 2 Cr(OH)3 + 6 CH3COOH + 3 Na2SO4
Ba(NO3)2 + KSCN = Ba(SCN)2 + KNO3 =>
Ba(NO3)2 + 2 KSCN = Ba(SCN)2 + 2 KNO3
Na2S + Mg(NO3)2 = Na2(NO3)2 + MgS =>
Na2S + Mg(NO3)2 = Na2(NO3)2 + MgS
CaCl2 + Na2O = CaO + NaCl =>
CaCl2 + Na2O = CaO + 2 NaCl
Na2AsO4 + KI + H2SO4 = Na2AsO3 + I2 + KSO4 + H2O =>
2 Na2AsO4 + 2 KI + 2 H2SO4 = 2 Na2AsO3 + I2 + 2 KSO4 + 2 H2O
MnO2 + NaOH + H2O = Na4[Mn(OH)8] =>
MnO2 + 4 NaOH + 2 H2O = Na4[Mn(OH)8]
Mg(OH)2 = Mg + OH =>
Mg(OH)2 = Mg + 2 OH
H3PO4 + SrCO3 = Sr3(PO4)2 + CO2 + H2O =>
2 H3PO4 + 3 SrCO3 = Sr3(PO4)2 + 3 CO2 + 3 H2O
S2O3 + OH = SO4 + H2O =>
S2O3 + 10 OH = 2 SO4 + 5 H2O
Fe + PbO2 = FeO + Pb =>
2 Fe + PbO2 = 2 FeO + Pb
C4H6 + O2 = C + H2O =>
2 C4H6 + 3 O2 = 8 C + 6 H2O
SrF2 + K = KF2 + Sr =>
SrF2 + K = KF2 + Sr
MnSO4 + K2S2O8 + H2O = HMnO4 + KHSO4 + H2SO4 =>
2 MnSO4 + 5 K2S2O8 + 8 H2O = 2 HMnO4 + 10 KHSO4 + 2 H2SO4
H2AsO4 = HAsO3 + OH =>
H2AsO4 = HAsO3 + OH
Na2(O2) + H2O = Na(OH) + O2 =>
2 Na2(O2) + 2 H2O = 4 Na(OH) + O2
NH4 = N + H2 =>
NH4 = N + 2 H2
Na2S + S = Na2S4 =>
Na2S + 3 S = Na2S4
F2 + Ca = CaF2 =>
F2 + Ca = CaF2
FeBr3 + H2O = HBr + Fe(OH)3 =>
FeBr3 + 3 H2O = 3 HBr + Fe(OH)3
Al + Zn(C2H3O2)2 = Al(C2H3O2)3 + Zn =>
2 Al + 3 Zn(C2H3O2)2 = 2 Al(C2H3O2)3 + 3 Zn
TiO2 + H2O = H2TiO3 =>
TiO2 + H2O = H2TiO3
KMnO4 + H2SO4 + Zn = ZnSO4 + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 5 Zn = 5 ZnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
CH3(CH2)OH + O2 = CO2 + H2O =>
CH3(CH2)OH + 3 O2 = 2 CO2 + 3 H2O
MnCO3 = MnO + CO2 =>
MnCO3 = MnO + CO2
C6H5CH3 + NaOH = C6H5Na + CH3OH =>
C6H5CH3 + NaOH = C6H5Na + CH3OH
C3H8O3(l) + O2(g) = CO2(g) + H2O =>
2 C3H8O3(l) + 7 O2(g) = 6 CO2(g) + 8 H2O
C6H4BrCOCH3 + KMnO4 + H2SO4 = C6H4BrCOOH + CO2 + H2O + KOH + MnSO4 =>
5 C6H4BrCOCH3 + 8 KMnO4 + 8 H2SO4 = 5 C6H4BrCOOH + 5 CO2 + 9 H2O + 8 KOH + 8 MnSO4
Mg(s) + CO2(g) = MgO(s) + C2(s) =>
4 Mg(s) + 2 CO2(g) = 4 MgO(s) + C2(s)
C7H16 + O2(g) = CO2(g) + H2O(g) =>
C7H16 + 11 O2(g) = 7 CO2(g) + 8 H2O(g)
SrCO3 + Al2O3 = Sr3Al2O6 + CO2 =>
3 SrCO3 + Al2O3 = Sr3Al2O6 + 3 CO2
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