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2 Ni2O3 = 4 Ni + 3 O2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
V2O5 + KOH = K3VO4 + H2O =>
V2O5 + 6 KOH = 2 K3VO4 + 3 H2O
V2O5 + KOH = V(OH)5 + K2O =>
V2O5 + 10 KOH = 2 V(OH)5 + 5 K2O
CH3COCH3 + H2 = CH3CO + CH4 =>
2 CH3COCH3 + H2 = 2 CH3CO + 2 CH4
Cu2S + NO3{-} + H3O{+} = Cu{2+} + SO4{2-} + NO + H2O =>
3 Cu2S + 10 NO3{-} + 16 H3O{+} = 6 Cu{2+} + 3 SO4{2-} + 10 NO + 24 H2O
NH4Br + Ca(OH)2 = NH4OH + CaBr2 =>
2 NH4Br + Ca(OH)2 = 2 NH4OH + CaBr2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
NaOH + AgNo3 = NaNo3 + AgOH =>
NaOH + AgNo3 = NaNo3 + AgOH
C3H6O2S + O2 = CO2 + H2O + SO3 =>
C3H6O2S + 5 O2 = 3 CO2 + 3 H2O + SO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
H3O + CO2 = H4O2HC + H2O =>
5 H3O + CO2 = H4O2HC + 5 H2O
C3H6O + O2 = CO2 + H2O =>
C3H6O + 4 O2 = 3 CO2 + 3 H2O
KCl + S = K2S + Cl2 =>
2 KCl + S = K2S + Cl2
Fe2O3(s) + HNO3(aq) = Fe(NO3)3(aq) + H2O =>
Fe2O3(s) + 6 HNO3(aq) = 2 Fe(NO3)3(aq) + 3 H2O
Al(s) + Fe(NO3)2 = Fe(s) + Al(NO3)3 =>
2 Al(s) + 3 Fe(NO3)2 = 3 Fe(s) + 2 Al(NO3)3
C2H4O + Ag2O = C2H4O2 + Ag =>
C2H4O + Ag2O = C2H4O2 + 2 Ag
HNO3 + AgSO4 = AgNO3 + HSO4 =>
HNO3 + AgSO4 = AgNO3 + HSO4
C2H8 + O2 = CO2 + H2O =>
C2H8 + 4 O2 = 2 CO2 + 4 H2O
Hg(NO3)2 + Na2CO3 = NaNO3 + Hg4CO6 + CO2 =>
4 Hg(NO3)2 + 4 Na2CO3 = 8 NaNO3 + Hg4CO6 + 3 CO2
CuCO3*Cu(OH)2 + NH2CH2COOH = Cu(NH2CH2COO)2 + H2O + CO2 =>
CuCO3*Cu(OH)2 + 4 NH2CH2COOH = 2 Cu(NH2CH2COO)2 + 3 H2O + CO2
Al2(SO4)3*14H2O + HCO3{-} = Al(OH)3 + CO2 + H2O + SO4{2-} =>
Al2(SO4)3*14H2O + 6 HCO3{-} = 2 Al(OH)3 + 6 CO2 + 14 H2O + 3 SO4{2-}
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Fe2O3 + Ca3(PO4)2 = FePO4 + CaO =>
Fe2O3 + Ca3(PO4)2 = 2 FePO4 + 3 CaO
Pt + O2 = Pt(iv)O2 =>
Pt + O2 = Pt(iv)O2
CaCl2 + Na(CO3) = Ca(CO3)2 + NaCl =>
CaCl2 + 2 Na(CO3) = Ca(CO3)2 + 2 NaCl
Pb{2+} + HCl{-} = PbCl2 + H =>
Pb{2+} + 2 HCl{-} = PbCl2 + 2 H
GaCl3 + AgNO3 = Ga(NO3)3 + AgCl =>
GaCl3 + 3 AgNO3 = Ga(NO3)3 + 3 AgCl
Zn + AgNO3 = Zn(NO3)2 + Ag =>
Zn + 2 AgNO3 = Zn(NO3)2 + 2 Ag
KMnO4 + NaOH + Na2SO3 = Na2MnO4 + Na2SO4 + H2O + KOH =>
2 KMnO4 + 4 NaOH + Na2SO3 = 2 Na2MnO4 + Na2SO4 + H2O + 2 KOH
Fe(OH)2 + KClO + H2O = Fe(OH)3 + KCl =>
2 Fe(OH)2 + KClO + H2O = 2 Fe(OH)3 + KCl
CaO + NaNO3 = Na2O + Ca(NO3)2 =>
CaO + 2 NaNO3 = Na2O + Ca(NO3)2
H3Po4 + MgCl2 = Mg3(Po4)2 + HCl =>
2 H3Po4 + 3 MgCl2 = Mg3(Po4)2 + 6 HCl
C2H5OCH3 + NaOH = CH3OH + C2H5ONa =>
C2H5OCH3 + NaOH = CH3OH + C2H5ONa
CH4 + CI = CH3 + HCI =>
CH4 + CI = CH3 + HCI
C2H6 + I2 = C2H5I + HI =>
C2H6 + I2 = C2H5I + HI
SO3 + Ca(OH)2 = SO3(OH)2 + Ca =>
SO3 + Ca(OH)2 = SO3(OH)2 + Ca
Cl2O + Ca(OH)2 = Ca(ClO)2 + H2O =>
Cl2O + Ca(OH)2 = Ca(ClO)2 + H2O
BaO + NO2 = Ba(NO3)2 + NO =>
BaO + 3 NO2 = Ba(NO3)2 + NO
N + H2O = H2 + NO =>
N + H2O = H2 + NO
Na2HPO4 + HBr = NaBr + H2O + P2O5 =>
2 Na2HPO4 + 4 HBr = 4 NaBr + 3 H2O + P2O5
C23H43O + H2O = C6H12O6 + H2 =>
6 C23H43O + 132 H2O = 23 C6H12O6 + 123 H2
S8 + Na2SO3 + H2O = Na2S2O8H10 =>
S8 + 8 Na2SO3 + 40 H2O = 8 Na2S2O8H10
AgNO3 + CH3CSNH2 + H2O = (NH3)H2S + AgH2O + C(NO3) =>
2 AgNO3 + CH3CSNH2 + 2 H2O = (NH3)H2S + 2 AgH2O + 2 C(NO3)
MgSiO3 + HNO3 = Mg(NO3)2 + SiO3H2 =>
MgSiO3 + 2 HNO3 = Mg(NO3)2 + SiO3H2
CH4 + CI = CH3 + HCI =>
CH4 + CI = CH3 + HCI
Zn + HNO3 = Zn(NO3)2 + HNO3NH3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + HNO3NH3 + 3 H2O
Tb + H2SO4 = Tb2(SO4)3 + H2 =>
2 Tb + 3 H2SO4 = Tb2(SO4)3 + 3 H2
C10H8 + O2 = CO2 + H2O =>
C10H8 + 12 O2 = 10 CO2 + 4 H2O
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