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8 Al(s) + 3 S4(s) = 4 Al2S3(s)
C6H5COOH + O2 = CO2 + H2O =>
2 C6H5COOH + 15 O2 = 14 CO2 + 6 H2O
Mn + KOH + KNO3 = K2MnO4 + H2O + KNO2 =>
Mn + 2 KOH + 3 KNO3 = K2MnO4 + H2O + 3 KNO2
NH2OH + H2O = OH + NH3 =>
NH2OH + H2O = 2 OH + NH3
KH2PO2 + KMnO4 + KOH = K2MnO4 + K3PO4 + H2O =>
KH2PO2 + 4 KMnO4 + 6 KOH = 4 K2MnO4 + K3PO4 + 4 H2O
AgNO3 + NH4Br = AgBrNH4NO3 =>
AgNO3 + NH4Br = AgBrNH4NO3
C + CH4 = CH =>
3 C + CH4 = 4 CH
HCOH + K2Cr2O7 + H2SO4 = CHOOH + Cr2(SO4)3 + K2SO4 + H2O =>
3 HCOH + K2Cr2O7 + 4 H2SO4 = 3 CHOOH + Cr2(SO4)3 + K2SO4 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
ZnS(s) = Zn(s) + S2 =>
2 ZnS(s) = 2 Zn(s) + S2
Rb2Se + MgF2 = RbF + MgSe =>
Rb2Se + MgF2 = 2 RbF + MgSe
KHCO3 + SO2 = KHSO3 + CO2 =>
KHCO3 + SO2 = KHSO3 + CO2
Zn + HP = Zn3HP =>
3 Zn + HP = Zn3HP
Hg2(NO3)2 + KBr = Hg2Br2 + K(NO3) =>
Hg2(NO3)2 + 2 KBr = Hg2Br2 + 2 K(NO3)
N2OC = CON2 =>
N2OC = CON2
Al + KOH + H2SO4 + H2O = H2 + KAlSO42*12H2O =>
2 Al + 2 KOH + 2 H2SO4 + 98 H2O = 77 H2 + 2 KAlSO42*12H2O
CH3CONH2 + NaOH = CH3COONa + NH3 =>
CH3CONH2 + NaOH = CH3COONa + NH3
Na3PO4 + MnCl2 = NaCl + Mn3(PO4)2 =>
2 Na3PO4 + 3 MnCl2 = 6 NaCl + Mn3(PO4)2
Au + CaCO3 = AuCO3 + Ca =>
Au + CaCO3 = AuCO3 + Ca
KCIO3 = KCI + O2 =>
2 KCIO3 = 2 KCI + 3 O2
[Co(NH3)5Cl]Cl2 = CoCl3 + NH3 =>
[Co(NH3)5Cl]Cl2 = CoCl3 + 5 NH3
H2[SnCl6] + NH3 + H2O = SnO2 + NH4Cl =>
H2[SnCl6] + 6 NH3 + 2 H2O = SnO2 + 6 NH4Cl
AuCl3 + H2O2 = Au + HCl + O2 =>
2 AuCl3 + 3 H2O2 = 2 Au + 6 HCl + 3 O2
Li + Br2 = LiBr =>
2 Li + Br2 = 2 LiBr
Hg2Cl2 + NH3 = Hg + Hg(NH2)Cl + NH4Cl =>
Hg2Cl2 + 2 NH3 = Hg + Hg(NH2)Cl + NH4Cl
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
C4H8S + O2 = CO2 + H2O + SO3 =>
2 C4H8S + 15 O2 = 8 CO2 + 8 H2O + 2 SO3
C8H9NO2 + H2SO4 = C8H11NO2 + SO4 =>
C8H9NO2 + H2SO4 = C8H11NO2 + SO4
Ca(PO4)4 + SiO2 + C = CaSiO3 + CO + P =>
Ca(PO4)4 + SiO2 + 15 C = CaSiO3 + 15 CO + 4 P
HCI + Na3AsO3 = NaCI + H3AsO3 =>
3 HCI + Na3AsO3 = 3 NaCI + H3AsO3
OF2 + H2O = O2 + HF =>
OF2 + H2O = O2 + 2 HF
OMg + HCl = MgCl2 + H2O =>
OMg + 2 HCl = MgCl2 + H2O
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Al(OH)3 + Mg(SO4)2 = Al(SO4)3 + Mg(OH)2 =>
2 Al(OH)3 + 3 Mg(SO4)2 = 2 Al(SO4)3 + 3 Mg(OH)2
NaCl + F2 = NaF + Cl2 =>
2 NaCl + F2 = 2 NaF + Cl2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Cr2O7{-2} + (CH3)2CHOH + H{+} = Cr{3+} + (CH3)2CO + H2O =>
Cr2O7{-2} + 3(CH3)2CHOH + 8 H{+} = 2 Cr{3+} + 3(CH3)2CO + 7 H2O
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
NH4 + SO4 + KOH = NH3 + K2SO4 + H2O =>
2 NH4 + SO4 + 2 KOH = 2 NH3 + K2SO4 + 2 H2O
OMg + HCl = MgCl2 + H2O =>
OMg + 2 HCl = MgCl2 + H2O
KI + NaNO2 + H3PO4 = I2 + NO + K3PO4 + Na3PO4 + H2O =>
6 KI + 6 NaNO2 + 4 H3PO4 = 3 I2 + 6 NO + 2 K3PO4 + 2 Na3PO4 + 6 H2O
PbCrO4 + NH3*H2O = [Pb(NH3)2]CrO4 + H2O =>
PbCrO4 + 2 NH3*H2O = [Pb(NH3)2]CrO4 + 2 H2O
SnO2 + Na2S + H2O = Na4SnS4 + NaOH =>
SnO2 + 4 Na2S + 2 H2O = Na4SnS4 + 4 NaOH
HClO4 + Sr(OH)2 = H2O + Sr(ClO4)2 =>
2 HClO4 + Sr(OH)2 = 2 H2O + Sr(ClO4)2
NO + Cl2 + H2O = N2 + HClO =>
2 NO + 2 Cl2 + 2 H2O = N2 + 4 HClO
LiMnO4(ac) + HBr(ac) = LiBr(ac) + MnBr2(ac) + H2O(l) + Br2(g) =>
2 LiMnO4(ac) + 16 HBr(ac) = 2 LiBr(ac) + 2 MnBr2(ac) + 8 H2O(l) + 5 Br2(g)
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