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2 Cr + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 Pb
Al + HSO4 = Al2O3 + SO2 + H2O =>
2 Al + 2 HSO4 = Al2O3 + 2 SO2 + H2O
AgC2H3O2 + AlBr3 = Al(C2H3O2)3 + AgBr =>
3 AgC2H3O2 + AlBr3 = Al(C2H3O2)3 + 3 AgBr
Ca + HNO3 = Ca(NO3)2 + N2 + H2O =>
5 Ca + 12 HNO3 = 5 Ca(NO3)2 + N2 + 6 H2O
Pb + Cu(NO3)2 = Cu + Pb(NO3)2 =>
Pb + Cu(NO3)2 = Cu + Pb(NO3)2
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C6H5NO2 + Sn + H3O{+} = C6H5NH2 + Sn{4}{+} + H2O =>
2 C6H5NO2 + 3 Sn + 12 H3O{+} = 2 C6H5NH2 + 3 Sn{4}{+} + 16 H2O
FeSO4 + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + H2O + K2SO =>
12 FeSO4 + K2Cr2O7 + 10 H2SO4 = 6 Fe2(SO4)3 + Cr2(SO4)3 + 10 H2O + K2SO
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
Mn + Br2 + H2O = HBr + Mn(OH)2 =>
Mn + Br2 + 2 H2O = 2 HBr + Mn(OH)2
TeCl4 + HOCH2CH2OH + CH3CN = CH3CO2CH2CH2Cl + OCH2CH2OTeCl3NH4 =>
TeCl4 + 2 HOCH2CH2OH + CH3CN = CH3CO2CH2CH2Cl + OCH2CH2OTeCl3NH4
Mg(NO3)2 + NaCl = MgCl2 + NO3Na =>
Mg(NO3)2 + 2 NaCl = MgCl2 + 2 NO3Na
Na2CO3 + CHCOOH = NaCHCOOH + H2O + CO2 =>
3 Na2CO3 + 7 CHCOOH = 6 NaCHCOOH + H2O + 5 CO2
S + O = S4O =>
4 S + O = S4O
C6H5NH2 + C5H6Br3N = C6H6BrN + HBr + C5H6BrN =>
C6H5NH2 + C5H6Br3N = C6H6BrN + HBr + C5H6BrN
Na2CO3 + CHCOOH = NaCHCOOH + H2O + CO2 =>
3 Na2CO3 + 7 CHCOOH = 6 NaCHCOOH + H2O + 5 CO2
H2SiF6 + Ti2O3 = TiF3 + SiO2 + H2O =>
H2SiF6 + Ti2O3 = 2 TiF3 + SiO2 + H2O
C4H6N2 + CH3(CH2)3Br = C8H15BrN2 =>
C4H6N2 + CH3(CH2)3Br = C8H15BrN2
A2 = A =>
A2 = 2 A
AlS + Ca(OH)2 = Al(OH)2 + CaS =>
AlS + Ca(OH)2 = Al(OH)2 + CaS
I1 = I =>
I1 = I
CaS + O = CaO + SO2 =>
CaS + 3 O = CaO + SO2
Ti(OH)4 + H2SO4 = Ti(SO4)2 + H2O =>
Ti(OH)4 + 2 H2SO4 = Ti(SO4)2 + 4 H2O
K2SO3 + NH4Cl = (NH4)2SO3 + KCl =>
K2SO3 + 2 NH4Cl = (NH4)2SO3 + 2 KCl
HNO3 + H2O + CH4 = CH3OH + NH3 =>
HNO3 + H2O + 4 CH4 = 4 CH3OH + NH3
HNo2 + NaNO2 = HNO2 + NaNo2 =>
HNo2 + NaNO2 = HNO2 + NaNo2
BaS + (NH4)2SO3 = BaSO3 + S(NH4)2 =>
BaS + (NH4)2SO3 = BaSO3 + S(NH4)2
Li2 + O2 = Li2O3 =>
2 Li2 + 3 O2 = 2 Li2O3
FeCl2*4H2O + NH4OH = Fe(OH)2 + NH4Cl + H2O =>
FeCl2*4H2O + 2 NH4OH = Fe(OH)2 + 2 NH4Cl + 4 H2O
H2SO4 + Ti(OH)4 = Ti2(SO4)4 + H2O =>
4 H2SO4 + 2 Ti(OH)4 = Ti2(SO4)4 + 8 H2O
Cu + Cl2 + H2S = CuS + HCl =>
Cu + Cl2 + H2S = CuS + 2 HCl
C3H6N2 + H2O = C3H7NO2 + N2 + H2 =>
2 C3H6N2 + 4 H2O = 2 C3H7NO2 + N2 + 3 H2
Cr(OH)3 + Br2 = CrO4 + CrBr3 + H2O =>
16 Cr(OH)3 + 15 Br2 = 6 CrO4 + 10 CrBr3 + 24 H2O
H + N7 = NH =>
7 H + N7 = 7 NH
H4 + C = H2C6 =>
H4 + 12 C = 2 H2C6
NaI(aq) + CuCl2(aq) = CuI2 + NaCl =>
2 NaI(aq) + CuCl2(aq) = CuI2 + 2 NaCl
NH3(g) + Cl2(g) = NH4Cl(s) + NCl3(g) =>
4 NH3(g) + 3 Cl2(g) = 3 NH4Cl(s) + NCl3(g)
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
I2 + NaCl = ICl + Na =>
I2 + 2 NaCl = 2 ICl + 2 Na
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
HBrO3 + Mg(OH)2 = Mg(BrO3)2 + H2O =>
2 HBrO3 + Mg(OH)2 = Mg(BrO3)2 + 2 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
NaCl + I2 = NaI + Cl =>
2 NaCl + I2 = 2 NaI + 2 Cl
CH3CHCHCH2CH3 + O2 = CO2 + H2O =>
2 CH3CHCHCH2CH3 + 15 O2 = 10 CO2 + 10 H2O
Na3PO4 + Pb(NO3)2 = Na3(NO3)2 + PbPO4 =>
Na3PO4 + Pb(NO3)2 = Na3(NO3)2 + PbPO4
KOHNaCl = KClNaOH =>
KOHNaCl = KClNaOH
(NH4)2CO3 + HCl = NH4Cl + H2O + CO2 =>
(NH4)2CO3 + 2 HCl = 2 NH4Cl + H2O + CO2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
(NH3)2 = NH3 =>
(NH3)2 = 2 NH3
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