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2 Rb + 2 H2O = 2 RbOH + H2
Cu2O + HI = CuI + H2O =>
Cu2O + 2 HI = 2 CuI + H2O
FeS + CO = Fe2O3 + C + S =>
2 FeS + 3 CO = Fe2O3 + 3 C + 2 S
NaSO4 + Pb(NO3)2 = NaNO3 + Pb(SO4)2 =>
2 NaSO4 + Pb(NO3)2 = 2 NaNO3 + Pb(SO4)2
Rb + P = Rb3P =>
3 Rb + P = Rb3P
Cd2 + NH4OH = Cd(OH)2 + NH4 =>
Cd2 + 4 NH4OH = 2 Cd(OH)2 + 4 NH4
Rb + H2O = RbOH + H2 =>
2 Rb + 2 H2O = 2 RbOH + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CH3CH2COOH + Na2CO3 = CH3CH2COONa + CO2 + H2O =>
2 CH3CH2COOH + Na2CO3 = 2 CH3CH2COONa + CO2 + H2O
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
NaNO3 + H2SO4 = H2NO3 + NaSO4 =>
NaNO3 + H2SO4 = H2NO3 + NaSO4
Pb(NO3)2 + Na2CO3 = Na2(NO3)2 + PbCO3 =>
Pb(NO3)2 + Na2CO3 = Na2(NO3)2 + PbCO3
Si4H10 + O2 = SiO2 + H2O =>
2 Si4H10 + 13 O2 = 8 SiO2 + 10 H2O
Pb + HNO3 = Pb(NO3) + NO + H2O =>
3 Pb + 4 HNO3 = 3 Pb(NO3) + NO + 2 H2O
Tl(NO3)3 + KNO2 + H2O = TlNO3 + KNO3 + HNO3 =>
Tl(NO3)3 + KNO2 + H2O = TlNO3 + KNO3 + 2 HNO3
TiO2 + HNO3 = TiO(NO3)2 + H2O =>
TiO2 + 2 HNO3 = TiO(NO3)2 + H2O
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
Fe3O4 + HNO3 = Fe2O3 + NO + H2O =>
6 Fe3O4 + 2 HNO3 = 9 Fe2O3 + 2 NO + H2O
SO2(g) + O2(g) + H2O = H2SO4(l) =>
2 SO2(g) + O2(g) + 2 H2O = 2 H2SO4(l)
CH3CH2CH2CH2CH2CH3 + HNO3 = CH3CH2CH2CH2CH2CH2NO2 + H2O =>
CH3CH2CH2CH2CH2CH3 + HNO3 = CH3CH2CH2CH2CH2CH2NO2 + H2O
Zn + S + H2SO4 = ZnSO4 + H2S =>
Zn + S + H2SO4 = ZnSO4 + H2S
CaCl2H2O + CO2 = CaCO3 + HCl =>
CaCl2H2O + CO2 = CaCO3 + 2 HCl
K + NO2 = K2O + N2 =>
8 K + 2 NO2 = 4 K2O + N2
KClO3 + MnCl2 + H2O = KCl + MnO2 + HCl =>
KClO3 + 3 MnCl2 + 3 H2O = KCl + 3 MnO2 + 6 HCl
SnO2 + CO = Sn + CO2 =>
SnO2 + 2 CO = Sn + 2 CO2
Fe2O3 + C1O1 = Fe1 + C1O2 =>
Fe2O3 + 3 C1O1 = 2 Fe1 + 3 C1O2
NaOH + MgSO4 = Mg(OH)2 + Na2SO4 =>
2 NaOH + MgSO4 = Mg(OH)2 + Na2SO4
KIO3 + NaHSO3 = KI + NaHSO4 =>
KIO3 + 3 NaHSO3 = KI + 3 NaHSO4
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
Mn{+2} + MnO4{-} + H{+} + H2P2O7{-2} = Mn(H2P2O7)3{-3} + H2O =>
4 Mn{+2} + MnO4{-} + 8 H{+} + 15 H2P2O7{-2} = 5 Mn(H2P2O7)3{-3} + 4 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Ca(OH)2 + NaHCO3 = CaCO3 + NaOH + H2O =>
Ca(OH)2 + NaHCO3 = CaCO3 + NaOH + H2O
Cu2S + H2O2 + H2SO4 = CuSO4 + H2O =>
Cu2S + 5 H2O2 + H2SO4 = 2 CuSO4 + 6 H2O
Bi2S3 + HCl = BiCl3 + H2S =>
Bi2S3 + 6 HCl = 2 BiCl3 + 3 H2S
Ba(OH)2 + HCe = BaCe2 + H2O =>
Ba(OH)2 + 2 HCe = BaCe2 + 2 H2O
KHCO3 + Ca(OH)2 = K2CO3 + CaCO3 + H2O =>
2 KHCO3 + Ca(OH)2 = K2CO3 + CaCO3 + 2 H2O
K2MnO4 + H2SO4 = MnO2 + KMnO4K2SO4 + H2O =>
3 K2MnO4 + 2 H2SO4 = MnO2 + 2 KMnO4K2SO4 + 2 H2O
Na2S + CdSO4 = Na2SO4 + CdS =>
Na2S + CdSO4 = Na2SO4 + CdS
Ba(NO3)2(aq) + KBr(aq) = BaBr2(s) + KNO3(aq) =>
Ba(NO3)2(aq) + 2 KBr(aq) = BaBr2(s) + 2 KNO3(aq)
Ni(NO3)2*6H2O + Fe(NO3)3*9H2O + C2H5NO2 = NiFe2O4 + H2O + N2 + CO2 =>
9 Ni(NO3)2*6H2O + 18 Fe(NO3)3*9H2O + 40 C2H5NO2 = 9 NiFe2O4 + 316 H2O + 56 N2 + 80 CO2
P4S3 + HNO3 = H3PO4 + SO2 + H2O + NO2 =>
P4S3 + 32 HNO3 = 4 H3PO4 + 3 SO2 + 10 H2O + 32 NO2
BiCl3 + H2S = Bi2S3 + HCl =>
2 BiCl3 + 3 H2S = Bi2S3 + 6 HCl
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Na2B4O7*10H2O + NaOH + H2O2 + H2O = Na2[B2(OH)4(O2)2]*6H2O =>
Na2B4O7*10H2O + 2 NaOH + 4 H2O2 + H2O = 2 Na2[B2(OH)4(O2)2]*6H2O
CH3CHOH + PBr3 = CH3CHBr + PBr2OH =>
CH3CHOH + PBr3 = CH3CHBr + PBr2OH
O5 = O2 =>
2 O5 = 5 O2
CdCO3 + NH4OH = [Cd(NH3)4]CO3 + H2O =>
CdCO3 + 4 NH4OH = [Cd(NH3)4]CO3 + 4 H2O
Au + O3 = Au2O3 =>
2 Au + O3 = Au2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Au2S3(aq) + H2(g) = Au(s) + H2S(g) =>
Au2S3(aq) + 3 H2(g) = 2 Au(s) + 3 H2S(g)
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