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B + 3 HNO3 = H3BO3 + 3 NO2
Al + KOH + H2(SO4) = KAl(SO4)2 + H2O + H2 =>
2 Al + 2 KOH + 4 H2(SO4) = 2 KAl(SO4)2 + 2 H2O + 3 H2
NaI + PbS = PbI + NaS =>
NaI + PbS = PbI + NaS
H2S + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + H2O + Na2SO4 =>
3 H2S + 4 Na2Cr2O7 + 13 H2SO4 = 4 Cr2(SO4)3 + 16 H2O + 4 Na2SO4
K2O = K + O2 =>
2 K2O = 4 K + O2
Cl2 + KOH = KCl + KClO3 + H2O =>
3 Cl2 + 6 KOH = 5 KCl + KClO3 + 3 H2O
Zn + Cu(SO4) = ZnSO4 + Cu =>
Zn + Cu(SO4) = ZnSO4 + Cu
Z + O = Z2O2 =>
2 Z + 2 O = Z2O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
BaI2(aq) + AgNO3(aq) = Ba(NO3)2 + AgI(s) =>
BaI2(aq) + 2 AgNO3(aq) = Ba(NO3)2 + 2 AgI(s)
KClO3 + CH2O2 = KCl + CO2 + H2O =>
KClO3 + 3 CH2O2 = KCl + 3 CO2 + 3 H2O
HNO3 + H2S + H2O = NH4 + SO4 =>
10 HNO3 + 9 H2S + 6 H2O = 10 NH4 + 9 SO4
CH2OHCH2OH + KMnO4 + H2SO4 = HOOCCOOH + MnSO4 + K2SO4 + H2O =>
5 CH2OHCH2OH + 8 KMnO4 + 12 H2SO4 = 5 HOOCCOOH + 8 MnSO4 + 4 K2SO4 + 22 H2O
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
C13H8O + NaBH4 = C13H10O + NaB =>
2 C13H8O + NaBH4 = 2 C13H10O + NaB
(NH4)2 + SO4 + SrCl2 = (NH4)2Cl2 + SrSO4 =>
(NH4)2 + SO4 + SrCl2 = (NH4)2Cl2 + SrSO4
SiO2 + H2 = SiH4 + H2O =>
SiO2 + 4 H2 = SiH4 + 2 H2O
HCl(aq) + NaOH(aq) = H2O(l) + NaCl(l) =>
HCl(aq) + NaOH(aq) = H2O(l) + NaCl(l)
SiO2 + H2SO4 = SiSO4 + HO =>
SiO2 + H2SO4 = SiSO4 + 2 HO
Sn(OH)2 + H(ClO3) = Sn(ClO3)2 + H2O =>
Sn(OH)2 + 2 H(ClO3) = Sn(ClO3)2 + 2 H2O
Cr(OH)2 + H3PO4 = Cr3(PO4)2 + H2O =>
3 Cr(OH)2 + 2 H3PO4 = Cr3(PO4)2 + 6 H2O
H2SeO4 + HCl = SeO2 + Cl2 + H2O =>
H2SeO4 + 2 HCl = SeO2 + Cl2 + 2 H2O
KCH3COO + H2SO4 = K2SO4 + CH3COOH =>
2 KCH3COO + H2SO4 = K2SO4 + 2 CH3COOH
Fe2O3 + Cl2 = O2 + FeCl3 =>
2 Fe2O3 + 6 Cl2 = 3 O2 + 4 FeCl3
N2 + H3 = N3H3 =>
3 N2 + 2 H3 = 2 N3H3
Ni(NO3)2H12O6 + H2C2O4 = NiC2O4H4O2 + H2O + HNO3 =>
Ni(NO3)2H12O6 + H2C2O4 = NiC2O4H4O2 + 4 H2O + 2 HNO3
Fr + Fm = FrFm =>
Fr + Fm = FrFm
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
Al(NO3)3 + CuS = Al2S3 + Cu(NO3)2 =>
2 Al(NO3)3 + 3 CuS = Al2S3 + 3 Cu(NO3)2
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
KMnO4 + Ni(NO3)2 = KNO3 + Ni(MnO4)2 =>
2 KMnO4 + Ni(NO3)2 = 2 KNO3 + Ni(MnO4)2
Pb + SO4{2-} = PbSO4 + e =>
Pb + SO4{2-} = PbSO4 + 2e
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
Au + Mg(Br)2 = Mg + AuBr =>
2 Au + Mg(Br)2 = Mg + 2 AuBr
AgCN + HBr = AgBr + HCN =>
AgCN + HBr = AgBr + HCN
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
K2S + MgBr2 = K2Br2 + SMg =>
K2S + MgBr2 = K2Br2 + SMg
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
Co(NO3)2(H2O)6 + LiNO3 + Fe(NO3)3(H2O)9 + C6H8O7(H2O) = Li4Co2Fe24O40 + N2 + H2O + CO2 =>
18 Co(NO3)2(H2O)6 + 36 LiNO3 + 216 Fe(NO3)3(H2O)9 + 200 C6H8O7(H2O) = 9 Li4Co2Fe24O40 + 360 N2 + 3052 H2O + 1200 CO2
Au + Mg(Br)2 = Mg + AuBr =>
2 Au + Mg(Br)2 = Mg + 2 AuBr
KMnO4 + ZnCl2 = KCl + Zn(MnO4)2 =>
2 KMnO4 + ZnCl2 = 2 KCl + Zn(MnO4)2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
NiCl2 + Zn = Ni + ZnCl2 =>
NiCl2 + Zn = Ni + ZnCl2
K2C2O4 + H2SO4 = CO + CO2 + KHSO4 + H2O =>
K2C2O4 + 2 H2SO4 = CO + CO2 + 2 KHSO4 + H2O
KCN + H3O = K + HCN + H2O =>
KCN + H3O = K + HCN + H2O
K2Cr2O7 + HCl + Ba = CrCl3 + KCl + BaCl2 + H2O =>
K2Cr2O7 + 14 HCl + 3 Ba = 2 CrCl3 + 2 KCl + 3 BaCl2 + 7 H2O
C3H5Cl3 + NaOH = C2H5COOH + NaCl + H2O =>
C3H5Cl3 + 3 NaOH = C2H5COOH + 3 NaCl + H2O
Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4 =>
Zn(NO3)2 + K2CrO4 = K2(NO3)2 + ZnCrO4
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