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2 CoSO4 + 2 Na2S2O3 = 2 CoS2 + 2 Na2SO4 + 3 O2
Cu(NO3)2 + C = CuO + NO + CO2 =>
2 Cu(NO3)2 + 3 C = 2 CuO + 4 NO + 3 CO2
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
NH4 + O2 = N2 + H2O =>
2 NH4 + 2 O2 = N2 + 4 H2O
C4H6 + KMnO4 + H2SO4 = CO2 + MnSO4 + K2SO4 + H2O =>
5 C4H6 + 22 KMnO4 + 33 H2SO4 = 20 CO2 + 22 MnSO4 + 11 K2SO4 + 48 H2O
Mg(NO3)2 + NH4OH = Mg(OH)2 + NH4NO3 =>
Mg(NO3)2 + 2 NH4OH = Mg(OH)2 + 2 NH4NO3
Ru + Cl2 = Ru5Cl8 =>
5 Ru + 4 Cl2 = Ru5Cl8
C5H11OH + CH3OOH = C7H14O2 + H2O =>
C5H11OH + 2 CH3OOH = C7H14O2 + 3 H2O
NH4 + OH = NH3 + H2O =>
NH4 + OH = NH3 + H2O
KMnO4 + NaCl = KMnO4NaCl =>
KMnO4 + NaCl = KMnO4NaCl
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
CH2 + KMnO4 + H2SO4 = H2CO3 + MnSO4 + K2SO4 + H2O =>
5 CH2 + 6 KMnO4 + 9 H2SO4 = 5 H2CO3 + 6 MnSO4 + 3 K2SO4 + 9 H2O
NaCl + K3Po4 = NaPo4 + K3Cl =>
NaCl + K3Po4 = NaPo4 + K3Cl
NH4 + NO2 = N2 + H2O =>
NH4 + NO2 = N2 + 2 H2O
Na3PO4 + Ba(NO3)2 = NaNO3 + Ba3 + (PO4)2 =>
2 Na3PO4 + 3 Ba(NO3)2 = 6 NaNO3 + Ba3 + (PO4)2
CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + H2O =>
3 CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + 3 H2O
Ca(OH)2(s) + H3PO4(ac) = Ca3(PO4)2(s) + H2O(l) =>
3 Ca(OH)2(s) + 2 H3PO4(ac) = Ca3(PO4)2(s) + 6 H2O(l)
Na2CO3 + MnCl5 = Mn2(CO3)5 + NaCl =>
5 Na2CO3 + 2 MnCl5 = Mn2(CO3)5 + 10 NaCl
C6H6 + CH2Cl2 = C13H12 + HCl =>
2 C6H6 + CH2Cl2 = C13H12 + 2 HCl
Fe2O4 + CO(g) = Fe(s) + CO2 =>
Fe2O4 + 4 CO(g) = 2 Fe(s) + 4 CO2
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
C4H9NH2 + O2 = N2 + CO2 + H2O =>
4 C4H9NH2 + 27 O2 = 2 N2 + 16 CO2 + 22 H2O
Cu + H3PO4 = Cu3(PO4)2 + H2 =>
3 Cu + 2 H3PO4 = Cu3(PO4)2 + 3 H2
C2H3OH + KMnO4 + NaOH = CH3COOH + Mn2OH4 + K2OH + Na2O =>
17 C2H3OH + 4 KMnO4 + 10 NaOH = 17 CH3COOH + 2 Mn2OH4 + 2 K2OH + 5 Na2O
Na2Co3(aq) + HCl(aq) = NaCl + H20(l) + Co2(aq) =>
10 Na2Co3(aq) + 20 HCl(aq) = 20 NaCl + H20(l) + 15 Co2(aq)
Cu + H3PO4 = Cu3(PO4)2 + H2 =>
3 Cu + 2 H3PO4 = Cu3(PO4)2 + 3 H2
P + ClO = PO + Cl =>
P + ClO = PO + Cl
ZnS + H2O + O2 = ZnO + H2SO4 =>
ZnS + H2O + 2 O2 = ZnO + H2SO4
C2H5OH + H{+} + Cr2O7{2-} = C2H4O2 + H2O + Cr{3+} =>
3 C2H5OH + 16 H{+} + 2 Cr2O7{2-} = 3 C2H4O2 + 11 H2O + 4 Cr{3+}
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Ba(NO3)2 + CaBr2 = Ca(NO3)2 + BaBr2 =>
Ba(NO3)2 + CaBr2 = Ca(NO3)2 + BaBr2
HNO3 + C2H5OH = C2H5ONO2 + H2O =>
HNO3 + C2H5OH = C2H5ONO2 + H2O
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
H(NO3) + Hg2(OH) = H2O + Hg2(NO3) =>
H(NO3) + Hg2(OH) = H2O + Hg2(NO3)
KClO3 + Mg = KCl + MgO =>
KClO3 + 3 Mg = KCl + 3 MgO
(CH3COO)2Pb + Zn = Pb + (CH3COO)2Zn =>
(CH3COO)2Pb + Zn = Pb + (CH3COO)2Zn
C + SO4 = CS2 + CO2 =>
5 C + 2 SO4 = CS2 + 4 CO2
HP = H + P =>
HP = H + P
HgSO4 + Cu = Cu(SO4)2 + Hg =>
2 HgSO4 + Cu = Cu(SO4)2 + 2 Hg
HgO + KCl + H2O = K2HgCl4 + KOH =>
HgO + 4 KCl + H2O = K2HgCl4 + 2 KOH
HCOH + CuO = HCOOH + Cu2O =>
HCOH + 2 CuO = HCOOH + Cu2O
NiCl2 + FeO2H = NiO + FeCl3 + HCl =>
2 NiCl2 + FeO2H = 2 NiO + FeCl3 + HCl
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Y(OH)3 + HBr = YBr3 + H2O =>
Y(OH)3 + 3 HBr = YBr3 + 3 H2O
Fe + NO2 = Fe3O4 + N2 =>
3 Fe + 2 NO2 = Fe3O4 + N2
As2S3 + NaOH + O2 = Na2SO4 + Na3AsO4 + H2O =>
As2S3 + 12 NaOH + 7 O2 = 3 Na2SO4 + 2 Na3AsO4 + 6 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
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