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3 Cu + 4 H2SO4 = 3 CuSO4 + 3 H2O + SOH2
C2H6O + MnO4{-} + H{+} = C2H4O + Mn{+} + H2O =>
3 C2H6O + MnO4{-} + 2 H{+} = 3 C2H4O + Mn{+} + 4 H2O
K + ClO3 = KCl + O2 =>
2 K + 2 ClO3 = 2 KCl + 3 O2
K + OH + HOCl = KClO3 + H2O =>
K + 5 OH + HOCl = KClO3 + 3 H2O
HO2CCO2H + OH = O2CCO2 + H2O =>
HO2CCO2H + 2 OH = O2CCO2 + 2 H2O
Cu(NO3)2 + MgCl2 = CuCl2 + Mg(NO3)2 =>
Cu(NO3)2 + MgCl2 = CuCl2 + Mg(NO3)2
Na + C = NaC =>
Na + C = NaC
HNO3 + C2H6O + K2*Cr2*O7 = KNO3 + C2*H4*O + H2*O + Cr(NO3)3 =>
8 HNO3 + 3 C2H6O + K2*Cr2*O7 = 2 KNO3 + 3 C2*H4*O + 7 H2*O + 2 Cr(NO3)3
N2 + C2H2 = HCN =>
N2 + C2H2 = 2 HCN
AlI3 + F2 = AlF3 + I =>
2 AlI3 + 3 F2 = 2 AlF3 + 6 I
C7H5O3SN + O2 = CO2 + H2O + N2 + SO2 =>
4 C7H5O3SN + 31 O2 = 28 CO2 + 10 H2O + 2 N2 + 4 SO2
PCl5 + NH4Cl = (PNCl2)3 + HCl =>
3 PCl5 + 3 NH4Cl = (PNCl2)3 + 12 HCl
CuCl2 + NaHCO3 = CO2 + H2O + CuCO3 + NaCl =>
CuCl2 + 2 NaHCO3 = CO2 + H2O + CuCO3 + 2 NaCl
Si + Na = SiNa =>
Si + Na = SiNa
FeCl3 + NaBr = FeBr3 + NaCl =>
FeCl3 + 3 NaBr = FeBr3 + 3 NaCl
FeS2 + Na2O2 = Fe2O3 + Na2SO4 + Na2O =>
2 FeS2 + 15 Na2O2 = Fe2O3 + 4 Na2SO4 + 11 Na2O
CrCl3 + Br2 + KOH = K2CrO4 + KBr + KCl + H2O =>
2 CrCl3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KCl + 8 H2O
ZnS(aq) + HCl(aq) = ZnCl2(aq) + H2S(g) =>
ZnS(aq) + 2 HCl(aq) = ZnCl2(aq) + H2S(g)
O2 + ClO = Cl2O5 =>
3 O2 + 4 ClO = 2 Cl2O5
KNo3 + NaOH = KOH + NaNo3 =>
KNo3 + NaOH = KOH + NaNo3
Cu + H2SO4 = CuSO4 + H2O + SOH2 =>
3 Cu + 4 H2SO4 = 3 CuSO4 + 3 H2O + SOH2
PbO2 + CO = Pb + CO2 =>
PbO2 + 2 CO = Pb + 2 CO2
SnOH + HCl = SnCl + H2O =>
SnOH + HCl = SnCl + H2O
H + Cl + O2 = HClO =>
2 H + 2 Cl + O2 = 2 HClO
ZnO + AgNO3 = Zn(NO3)2 + Ag2O =>
ZnO + 2 AgNO3 = Zn(NO3)2 + Ag2O
ZnC2O4 = Zn + C2 + O4 =>
ZnC2O4 = Zn + C2 + O4
Fe(NO3)3 + KOH = Fe(HO)3 + KNO3 =>
Fe(NO3)3 + 3 KOH = Fe(HO)3 + 3 KNO3
NaOH + H2 = H2O + Na =>
2 NaOH + H2 = 2 H2O + 2 Na
NF3 = N + F2 =>
2 NF3 = 2 N + 3 F2
K + ClO3 = KCl + O =>
K + ClO3 = KCl + 3 O
C6H12O6 + Ag(NH3)2OH = C6H11O7NH4 + Ag + NH3 + H2O =>
C6H12O6 + 2 Ag(NH3)2OH = C6H11O7NH4 + 2 Ag + 3 NH3 + H2O
Hg2CrO4 = Cr2O3 + Hg + O2 =>
4 Hg2CrO4 = 2 Cr2O3 + 8 Hg + 5 O2
K2CrO4 + CH3COOH = KHCrO4 + CH3COOK =>
K2CrO4 + CH3COOH = KHCrO4 + CH3COOK
P + KIO3 + KOH = K3PO4 + KI + H2O =>
6 P + 5 KIO3 + 18 KOH = 6 K3PO4 + 5 KI + 9 H2O
CaCO3 + Al2O3 = Ca3Al2O6 + CO2 =>
3 CaCO3 + Al2O3 = Ca3Al2O6 + 3 CO2
Sn(NO3)4 + Na2CO3 = Sn(CO3)2 + NaNO3 =>
Sn(NO3)4 + 2 Na2CO3 = Sn(CO3)2 + 4 NaNO3
MnS + HCl + HNO3 = MnCl2 + NO + S + H2O =>
3 MnS + 6 HCl + 2 HNO3 = 3 MnCl2 + 2 NO + 3 S + 4 H2O
HNO3 + P4O10 = (HPO3)3 + N2O5 =>
12 HNO3 + 3 P4O10 = 4(HPO3)3 + 6 N2O5
Al(NO3)3 = Al(NO2)3 + O2 =>
2 Al(NO3)3 = 2 Al(NO2)3 + 3 O2
NaNO3 + H2SO4 = Na2SO4 + HNO3 =>
2 NaNO3 + H2SO4 = Na2SO4 + 2 HNO3
ZnS + HNO3 = Zn(NO3)2 + H2S =>
ZnS + 2 HNO3 = Zn(NO3)2 + H2S
C6H14 + O9 = CO + H2O9 =>
3 C6H14 + 23 O9 = 18 CO + 21 H2O9
Na2S + Pb2 = Pb2SNa2 =>
Na2S + Pb2 = Pb2SNa2
KNo3 + NaOH = KOH + NaNo3 =>
KNo3 + NaOH = KOH + NaNo3
HSO4{-} + H2O = H3O{+} + SO4{2-} =>
HSO4{-} + H2O = H3O{+} + SO4{2-}
Mg + K2Cr2O7 + H2SO4 = MgSO4 + H2O + K2SO4 + Cr2(SO4)3 =>
3 Mg + K2Cr2O7 + 7 H2SO4 = 3 MgSO4 + 7 H2O + K2SO4 + Cr2(SO4)3
CH3CHClCH3 + OH = CH3CH(OH)CH3 + Cl =>
CH3CHClCH3 + OH = CH3CH(OH)CH3 + Cl
CaCl2 + K2CrO4 = CaK2 + Cl2CrO4 =>
CaCl2 + K2CrO4 = CaK2 + Cl2CrO4
Cu + NaHSO3 = Cu(SO3)2 + Na + H =>
Cu + 2 NaHSO3 = Cu(SO3)2 + 2 Na + 2 H
ZnS + H = Zn + H2S =>
ZnS + 2 H = Zn + H2S
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