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2 HBr + Na2SO4 = 2 NaBr + H2SO4
CH3COOH + NH4OH = H2O + NH4CH3COO =>
CH3COOH + NH4OH = H2O + NH4CH3COO
ZnS + HCl = ZnCl2 + H2S = =>
ZnS + 2 HCl = ZnCl2 + H2S
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
C7H14 + KMnO4 + H2O = C7H14O2 + MnO2 + KOH =>
3 C7H14 + 4 KMnO4 + 2 H2O = 3 C7H14O2 + 4 MnO2 + 4 KOH
NO3(g) + CO(g) = NO2(g) + CO2(g) =>
NO3(g) + CO(g) = NO2(g) + CO2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C9H11O3N + O2 = CO2 + H2O + NH3 =>
2 C9H11O3N + 19 O2 = 18 CO2 + 8 H2O + 2 NH3
PbS + Na2CO3 = PbCO3 + Na2S =>
PbS + Na2CO3 = PbCO3 + Na2S
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn + CuSO4 = (Zn2SO4) + Cu =>
2 Zn + CuSO4 = (Zn2SO4) + Cu
SmCl2 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + SmCl3 + Sm2(SO4)3 + H2O =>
30 SmCl2 + 6 KMnO4 + 24 H2SO4 = 3 K2SO4 + 6 MnSO4 + 20 SmCl3 + 5 Sm2(SO4)3 + 24 H2O
Al + H2O2 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al + 3 H2O2 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cu(s) + H{2}SO{4} = Cu{2}SO{4} + H2 =>
2 Cu(s) + 2 H{2}SO{4} = 2 Cu{2}SO{4} + H2
KMnO4 = K2O + MnO + O2 =>
4 KMnO4 = 2 K2O + 4 MnO + 5 O2
AgCl + MgSO4 = Ag2SO4 + MgCl2 =>
2 AgCl + MgSO4 = Ag2SO4 + MgCl2
Ba + NaI = BaI2 + Na =>
Ba + 2 NaI = BaI2 + 2 Na
PbNO3(aq) + KSO4(aq) = PbSO4(s) + KNO3(aq) =>
PbNO3(aq) + KSO4(aq) = PbSO4(s) + KNO3(aq)
Mg(s) + AgNo3(aq) = Mg(No3)2(aq) + Ag(s) =>
Mg(s) + 2 AgNo3(aq) = Mg(No3)2(aq) + 2 Ag(s)
HNO3(l) + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3(l) + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Ca(NO3)2 + H2(SO4) = Ca(SO4) + H2(NO3)2 =>
Ca(NO3)2 + H2(SO4) = Ca(SO4) + H2(NO3)2
CuCO3Cu(OH)2 + CH3COOH = Cu(CH3COO)2 + H2O + CO2 =>
CuCO3Cu(OH)2 + 4 CH3COOH = 2 Cu(CH3COO)2 + 3 H2O + CO2
Al(CH3COO)3 + H2SO4 = Al2(SO4)3 + C2H4O2 =>
2 Al(CH3COO)3 + 3 H2SO4 = Al2(SO4)3 + 6 C2H4O2
NH3 + Cl = NH4Cl + NCl =>
4 NH3 + 4 Cl = 3 NH4Cl + NCl
KO2(s) + CO2(g) = K2CO3(s) + O2(g) =>
4 KO2(s) + 2 CO2(g) = 2 K2CO3(s) + 3 O2(g)
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HNO3 + (FeFe2)O4 = Fe(NO3)3 + NO2 + H2O =>
10 HNO3 + (FeFe2)O4 = 3 Fe(NO3)3 + NO2 + 5 H2O
Mg(NO3)2 + KF = KNO3 + MgF2 =>
Mg(NO3)2 + 2 KF = 2 KNO3 + MgF2
C6H6 + CH3 = C6H5CH3 =>
13 C6H6 + 6 CH3 = 12 C6H5CH3
AgCl + H3PO4 = Ag3PO4 + HCl =>
3 AgCl + H3PO4 = Ag3PO4 + 3 HCl
K2CO3(aq) + Co(NO3)2(aq) = CoCO3(s) + KNO3(aq) =>
K2CO3(aq) + Co(NO3)2(aq) = CoCO3(s) + 2 KNO3(aq)
LiCl + Pb(ClO4)2 = Li(ClO4) + PbCl2 =>
2 LiCl + Pb(ClO4)2 = 2 Li(ClO4) + PbCl2
ClCH2CH2Cl + O2 = CO + H2O + Cl2 =>
ClCH2CH2Cl + 2 O2 = 2 CO + 2 H2O + Cl2
Ga2S3 + O2 = Ga2O3 + SO2 =>
2 Ga2S3 + 9 O2 = 2 Ga2O3 + 6 SO2
Zn + Sn(NO3)3 = Zn(NO3)2 + Sn =>
3 Zn + 2 Sn(NO3)3 = 3 Zn(NO3)2 + 2 Sn
CuCl2 + Na2S = Cu2S2 + NaCl =>
2 CuCl2 + 2 Na2S = Cu2S2 + 4 NaCl
Cu + H2SO4(aq) = Cu(SO4)2(aq) + SO2(g) + H2O(l) =>
Cu + 4 H2SO4(aq) = Cu(SO4)2(aq) + 2 SO2(g) + 4 H2O(l)
AuBr3 = Au2Br6 =>
2 AuBr3 = Au2Br6
KNO3 + Ti = KNO2 + TiO2 =>
2 KNO3 + Ti = 2 KNO2 + TiO2
KMnO4 + NaHCO3 = NaMnO4 + KHCO3 =>
KMnO4 + NaHCO3 = NaMnO4 + KHCO3
C2H6 + O2 = C02 + H3O =>
C2H6 + O2 = C02 + 2 H3O
Cd + KI = CdI + K =>
Cd + KI = CdI + K
CrCl3 + H2O2 + Na(OH) = Na2CrO4 + NaCl + H2O =>
2 CrCl3 + 3 H2O2 + 10 Na(OH) = 2 Na2CrO4 + 6 NaCl + 8 H2O
Ba(C2H3O2)2 + Na3(PO4) = Ba3(PO4)2 + Na(C2H3O2) =>
3 Ba(C2H3O2)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 Na(C2H3O2)
Fe(s) + HBr(l) = FeBr3(s) + H2(g) =>
2 Fe(s) + 6 HBr(l) = 2 FeBr3(s) + 3 H2(g)
Al + S = AlS =>
Al + S = AlS
C6H5CH3 + MnO2 + H2SO4 = C6H5CHO + MnSO4 + H2O =>
C6H5CH3 + 2 MnO2 + 2 H2SO4 = C6H5CHO + 2 MnSO4 + 3 H2O
PbO + Ca = PbCaO =>
PbO + Ca = PbCaO
Cr + Cr2O7{2-} + H{+} = Cr{3+} + H2O =>
2 Cr + Cr2O7{2-} + 14 H{+} = 4 Cr{3+} + 7 H2O
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