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4 NH3 + 5 O2 = 4 NO + 6 H2O
Mg + SO2 = MgO + S =>
2 Mg + SO2 = 2 MgO + S
Cu{+} = Cu{2+} + {-} =>
Cu{+} = Cu{2+} + e
HNO3 + KOH = H2 + KNO3 + O2 =>
2 HNO3 + 2 KOH = 2 H2 + 2 KNO3 + O2
FeCO3 + HNO3 = Fe(NO3)3 + NO2 + CO2 + H2O =>
FeCO3 + 4 HNO3 = Fe(NO3)3 + NO2 + CO2 + 2 H2O
HPO2 = *P2O3 + H2O =>
2 HPO2 = *P2O3 + H2O
Na2SiO3 + HCl = NaCl + H2SiO3 =>
Na2SiO3 + 2 HCl = 2 NaCl + H2SiO3
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
HNO3(aq) + NH4OH(aq) = H2O(l) + NH4NO3(aq) =>
HNO3(aq) + NH4OH(aq) = H2O(l) + NH4NO3(aq)
NaOH + KHC6H4 = KHC6OH + NaH4 =>
NaOH + KHC6H4 = KHC6OH + NaH4
Zn + HCI = ZnCI + H =>
Zn + HCI = ZnCI + H
SiN2 + O2 = N2O + Si =>
2 SiN2 + O2 = 2 N2O + 2 Si
S(S) + O2 = SO2(g) =>
S(S) + 2 O2 = 2 SO2(g)
Cu + Ag(NO4) = Cu(NO4) + Ag =>
Cu + Ag(NO4) = Cu(NO4) + Ag
C9H21N3O3 = C9 + NH2 + H2O + H2 =>
2 C9H21N3O3 = 2 C9 + 6 NH2 + 6 H2O + 9 H2
CuSO4 + Fe(s) = Fe2(SO4)3 + Cu =>
3 CuSO4 + 2 Fe(s) = Fe2(SO4)3 + 3 Cu
H2SO3 + BaCl2 = H2Cl2 + BaSO3 =>
H2SO3 + BaCl2 = H2Cl2 + BaSO3
Cu2 + Na2CO3 = CuCO3 + Na =>
Cu2 + 2 Na2CO3 = 2 CuCO3 + 4 Na
toluene + O2 = CO2 + H2O =>
C7H8 + 9 O2 = 7 CO2 + 4 H2O
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
Hg + O2 = Hg2O =>
4 Hg + O2 = 2 Hg2O
LiCl + K3PO4 = Li3PO4 + KCl =>
3 LiCl + K3PO4 = Li3PO4 + 3 KCl
Cr2O3(s) + Al(s) = Al2O3(s) + Cr(s) =>
Cr2O3(s) + 2 Al(s) = Al2O3(s) + 2 Cr(s)
Fe2O3 + Zn = Fe + ZnO =>
Fe2O3 + 3 Zn = 2 Fe + 3 ZnO
Pb(OH)2 + KCl = PbCl2 + KOH =>
Pb(OH)2 + 2 KCl = PbCl2 + 2 KOH
Na(CO3)2 + CH3COOH = NaCH3COO + CO2 + H2O =>
8 Na(CO3)2 + 11 CH3COOH = 8 NaCH3COO + 22 CO2 + 10 H2O
CO2 + S3 = CS2 + SO2 =>
CO2 + S3 = CS2 + SO2
O2 + Fe(CO)9 = CO2 + Fe2O3 =>
21 O2 + 4 Fe(CO)9 = 36 CO2 + 2 Fe2O3
Mg + Li3PO4 = Li + MgPO4 =>
Mg + Li3PO4 = 3 Li + MgPO4
C2H6O + HCl + NaMnO4 = C2H4O + H2O + MnCl2 + NaCl =>
5 C2H6O + 6 HCl + 2 NaMnO4 = 5 C2H4O + 8 H2O + 2 MnCl2 + 2 NaCl
P4(s) + O2(g) = P2O5(s) =>
P4(s) + 5 O2(g) = 2 P2O5(s)
S(s) + Cl2(g) = SCl2(g) =>
S(s) + Cl2(g) = SCl2(g)
Ca(NO2)2 + H2O = CaO + (HNO2)2 =>
Ca(NO2)2 + H2O = CaO + (HNO2)2
Cl2 + OH{+}{-} = Cl{+}{-} + ClO3{+}{-} + H2O =>
3 Cl2 + 6 OH{+}{-} = 5 Cl{+}{-} + ClO3{+}{-} + 3 H2O
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
Ca(OH)2 + NO3 = Ca(NO3)2 + OH =>
Ca(OH)2 + 2 NO3 = Ca(NO3)2 + 2 OH
KMnO4 + ZnCl2 = KCl + MnCl2 + ZnO + Cl2 =>
2 KMnO4 + 8 ZnCl2 = 2 KCl + 2 MnCl2 + 8 ZnO + 5 Cl2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
H2S + O2 + Ag = H2O + Ag2S =>
2 H2S + O2 + 4 Ag = 2 H2O + 2 Ag2S
Cl2O7 + Ba(OH)2 = Ba(ClO4)2H2O =>
Cl2O7 + Ba(OH)2 = Ba(ClO4)2H2O
KNO3 + Mg + KOH = NH3 + Mg(OH)2 + K2O =>
KNO3 + 4 Mg + 11 KOH = NH3 + 4 Mg(OH)2 + 6 K2O
Ca(OH)2 + Cl = CaCl2 + OH =>
Ca(OH)2 + 2 Cl = CaCl2 + 2 OH
HNO3 + Mg = Mg(NO3)2 + H2O + N2O =>
10 HNO3 + 4 Mg = 4 Mg(NO3)2 + 5 H2O + N2O
CO2 + H2O + HF = C2H3O2F + O2 =>
4 CO2 + 2 H2O + 2 HF = 2 C2H3O2F + 3 O2
Cu3Zn2 + HNO3 = Cu3Zn2OH + NO2 =>
Cu3Zn2 + HNO3 = Cu3Zn2OH + NO2
Cu2O + NaCN + H2O = Na2Cu(CN)3 + NaOH =>
Cu2O + 6 NaCN + H2O = 2 Na2Cu(CN)3 + 2 NaOH
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KAl(SO4)2*12H2O = K + Al + SO4 + H2O =>
KAl(SO4)2*12H2O = K + Al + 2 SO4 + 12 H2O
CaO + H2S = CaS + H2O =>
CaO + H2S = CaS + H2O
Br2 + KI = KBr + I2 =>
Br2 + 2 KI = 2 KBr + I2
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