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Ni(NO3)2 + Na2CO3 = NiCO3 + 2 NaNO3
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HNO3 + Mg(OH)2 = Mg(NO3)2 + H2O =>
2 HNO3 + Mg(OH)2 = Mg(NO3)2 + 2 H2O
TiCl4 + Ti = TiCl3 =>
3 TiCl4 + Ti = 4 TiCl3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeCl3 + H2S = FeCl2 + HCl + S =>
2 FeCl3 + H2S = 2 FeCl2 + 2 HCl + S
BaCO3 + H2O = Ba(OH)2 + H2(CO3) =>
BaCO3 + 2 H2O = Ba(OH)2 + H2(CO3)
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Pb + Zn(NO3)2 = Pb(NO3)2 + Zn =>
Pb + Zn(NO3)2 = Pb(NO3)2 + Zn
KOH(aq) + H3PO4(aq) = K3PO4(l) + H2O(aq) =>
3 KOH(aq) + H3PO4(aq) = K3PO4(l) + 3 H2O(aq)
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Cu(s) + HNO3(l) = Cu(NO3)2(aq) + NO2(g) + H2O(l) =>
Cu(s) + 4 HNO3(l) = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Sb + O2 = Sb4O6 =>
4 Sb + 3 O2 = Sb4O6
HgCl + NaOH + NH4Cl = Hg(NH3)2Cl + NaCl + H2O =>
HgCl + 2 NaOH + 2 NH4Cl = Hg(NH3)2Cl + 2 NaCl + 2 H2O
H2O + Mg = H2 + MgO =>
H2O + Mg = H2 + MgO
Ni(OH)2(s) + H2SO4 = NiSO4(aq) + H2O(aq) =>
Ni(OH)2(s) + H2SO4 = NiSO4(aq) + 2 H2O(aq)
LiOH + HNO2 = LiNO2 + HOH =>
LiOH + HNO2 = LiNO2 + HOH
C18H35O2Na + CaCl2 = Ca[CH3(CH2)16COO]2 + NaCl =>
2 C18H35O2Na + CaCl2 = Ca[CH3(CH2)16COO]2 + 2 NaCl
MgO + HCl = MgCl2 + H2O(classification) =>
MgO + 2 HCl = MgCl2 + H2O(classification)
Zn + Pb(No3)2 = Pb + Zn(No3)3 =>
2 Zn + 3 Pb(No3)2 = 3 Pb + 2 Zn(No3)3
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
C2H5COONa + NaOH = C2H6 + Na2CO3 =>
C2H5COONa + NaOH = C2H6 + Na2CO3
KOH + C3H4O4 = H2O + KC3H3O4 =>
KOH + C3H4O4 = H2O + KC3H3O4
H2CO3 + LiOH = O4H3 + CLi =>
H2CO3 + LiOH = O4H3 + CLi
Al2(CO3)3 + H2O = Al(OH)3 + CO2 =>
Al2(CO3)3 + 3 H2O = 2 Al(OH)3 + 3 CO2
SiH4 + KMnO4 + H2SO4 = SiO2 + K2SO4 + MnSO4 + H2O =>
5 SiH4 + 8 KMnO4 + 12 H2SO4 = 5 SiO2 + 4 K2SO4 + 8 MnSO4 + 22 H2O
C7H16 + O2 = C + H2O =>
C7H16 + 4 O2 = 7 C + 8 H2O
ZnO + CaCO3 = ZnCO3 + CaO =>
ZnO + CaCO3 = ZnCO3 + CaO
FeOH2 + HNO3 = Fe(NO3)3 + NO2 + H2O =>
FeOH2 + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 4 H2O
FeWO4 + Na2CO3 + O2 = Na2WO4 + Fe2O3 + CO2 =>
4 FeWO4 + 4 Na2CO3 + O2 = 4 Na2WO4 + 2 Fe2O3 + 4 CO2
CaCO3 = CO2 + CaO =>
CaCO3 = CO2 + CaO
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Mn(NO2)2 + BeCl2 = Be(NO2)2 + MnCl2 =>
Mn(NO2)2 + BeCl2 = Be(NO2)2 + MnCl2
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu =>
Fe + Cu(NO3)2 = Fe(NO3)2 + Cu
PaI5 = Pa + I2 =>
2 PaI5 = 2 Pa + 5 I2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Co(OH)2 + Zn = Zn(OH)2 + Co =>
Co(OH)2 + Zn = Zn(OH)2 + Co
Ca + Na3P = Ca3P2 + Na =>
3 Ca + 2 Na3P = Ca3P2 + 6 Na
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
NaOH + HgO = Na2O + Hg(OH)2 =>
2 NaOH + HgO = Na2O + Hg(OH)2
K2S + Zn = ZnS + K =>
K2S + Zn = ZnS + 2 K
MnO4{-} + [CO2H]2 + H{+} = Mn{+2} + H2O + CO2 =>
2 MnO4{-} + 5[CO2H]2 + 6 H{+} = 2 Mn{+2} + 8 H2O + 10 CO2
Ca(OH)2 + Na2HPO4 = Ca3(PO4)2 + NaOH + H2O =>
3 Ca(OH)2 + 2 Na2HPO4 = Ca3(PO4)2 + 4 NaOH + 2 H2O
Zn(CH3COO)2 + NaOH = CH3COONa + ZnO + H2O =>
Zn(CH3COO)2 + 2 NaOH = 2 CH3COONa + ZnO + H2O
C6H5CHCH2 + KMnO4 = C6H5COOK + MnO2 + KOH + H2O =>
21 C6H5CHCH2 + 40 KMnO4 = 24 C6H5COOK + 40 MnO2 + 16 KOH + 16 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
I2 + NH4F = NH4I + F2 =>
I2 + 2 NH4F = 2 NH4I + F2
GrCl3 + NaOH = NaCl + Gr(OH)3 =>
GrCl3 + 3 NaOH = 3 NaCl + Gr(OH)3
Al2(CO3)3 + H2O = Al(OH)3 + H2CO3 =>
Al2(CO3)3 + 6 H2O = 2 Al(OH)3 + 3 H2CO3
Re2(CO3)3 + HCl = ReCl3 + H2O + CO2 =>
Re2(CO3)3 + 6 HCl = 2 ReCl3 + 3 H2O + 3 CO2
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