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2 Ni2O3 = 4 Ni + 3 O2
NH4Cl + HCl = NH5 + Cl =>
NH4Cl + HCl = NH5 + 2 Cl
BeCO3 + HCl = BeCl2 + H2O + CO2 =>
BeCO3 + 2 HCl = BeCl2 + H2O + CO2
Cu(NO3)2 + NH3(NH4OH) = Cu(NH4OH) + NH4NO3 =>
4 Cu(NO3)2 + 7 NH3(NH4OH) = 4 Cu(NH4OH) + 9 NH4NO3
SiO2 + H2O = H2SiO3 =>
SiO2 + H2O = H2SiO3
Ag + K2SO4 = Ag2SO4 + K =>
2 Ag + K2SO4 = Ag2SO4 + 2 K
Mg(s) + Ca(NO3)2(aq) = Mg(NO3)(aq) + Ca(s) =>
2 Mg(s) + Ca(NO3)2(aq) = 2 Mg(NO3)(aq) + Ca(s)
CuCl + O2 + H2O = CuCl2 + Cu(OH)2 =>
4 CuCl + O2 + 2 H2O = 2 CuCl2 + 2 Cu(OH)2
CH2Cl2 + H2O = HCHO + HCl =>
CH2Cl2 + H2O = HCHO + 2 HCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
C6H3N3O7 = CO + H2 + H2O + N2 =>
2 C6H3N3O7 = 12 CO + H2 + 2 H2O + 3 N2
Cr(OH)3 + KOH = K3(Cr(OH)6) =>
Cr(OH)3 + 3 KOH = K3(Cr(OH)6)
(NH4)2SO3 + HNO3 = NO2 + SO + H2O =>
(NH4)2SO3 + 12 HNO3 = 14 NO2 + SO + 10 H2O
C6H7NO3S + Na2CO3 = C6H6NO3SNa + H2O + CO2 =>
2 C6H7NO3S + Na2CO3 = 2 C6H6NO3SNa + H2O + CO2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Fe(s) + CuCl2 = FeCl3 + Cu =>
2 Fe(s) + 3 CuCl2 = 2 FeCl3 + 3 Cu
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
FeS2 + CaO = CaS + FeO + SO2 =>
3 FeS2 + 5 CaO = 5 CaS + 3 FeO + SO2
*4H2O = H2 + O2 =>
*4H2O = 4 H2 + 2 O2
NH3OHCl + KMnO4 + H2SO4 = MnSO4 + N2O + K2SO4 + HCl + H2O =>
10 NH3OHCl + 4 KMnO4 + 6 H2SO4 = 4 MnSO4 + 5 N2O + 2 K2SO4 + 10 HCl + 21 H2O
*4H2O = H2 + O2 =>
*4H2O = 4 H2 + 2 O2
(NH4)2Cr2O7 + NH4SCN = NH4[Cr(SCN)4(NH3)2] + NH3 + CO2 + SO2 + H2O =>
(NH4)2Cr2O7 + 9 NH4SCN = 2 NH4[Cr(SCN)4(NH3)2] + 6 NH3 + CO2 + SO2 + 3 H2O
CuS + NHO3 = Cu(NO3)2 + NO2 + S8 + H2O =>
8 CuS + 32 NHO3 = 8 Cu(NO3)2 + 16 NO2 + S8 + 16 H2O
C25H52(s) + O2(g) = CO2(g) + H2O(g) =>
C25H52(s) + 38 O2(g) = 25 CO2(g) + 26 H2O(g)
HMnO4 + CuO = Cu(MnO4)2 + H2O =>
2 HMnO4 + CuO = Cu(MnO4)2 + H2O
CH3COOH(l) + O2 = H2O(l) + CO2(g) =>
CH3COOH(l) + 2 O2 = 2 H2O(l) + 2 CO2(g)
AcOH + NaOH = NaAc + HO =>
AcOH + NaOH = NaAc + 2 HO
CuCl + O2 + H2O = CuCl2 + Cu(OH)2 =>
4 CuCl + O2 + 2 H2O = 2 CuCl2 + 2 Cu(OH)2
C2H6Cl2 = C2H5Cl + HCl =>
C2H6Cl2 = C2H5Cl + HCl
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
CaMg(CO3)2 = Ca + Mg + CO3 =>
CaMg(CO3)2 = Ca + Mg + 2 CO3
ZnO + K2SO4 = ZnSO4 + K2O =>
ZnO + K2SO4 = ZnSO4 + K2O
FeS2 + CaO = CaS + FeO + SO2 =>
3 FeS2 + 5 CaO = 5 CaS + 3 FeO + SO2
Cr2(SO4)3 + Na2S = Cr2S3 + Na2SO4 =>
Cr2(SO4)3 + 3 Na2S = Cr2S3 + 3 Na2SO4
PbO + Al = Al2O3 + Pb =>
3 PbO + 2 Al = Al2O3 + 3 Pb
H2S + NaOCl = HOCl + Na2S =>
H2S + 2 NaOCl = 2 HOCl + Na2S
CdCl2 + NH4OH = [Cd(NH3)4]Cl2 + H2O =>
CdCl2 + 4 NH4OH = [Cd(NH3)4]Cl2 + 4 H2O
C4H8N2O2 + NH4OH + Ni(NO3)2 = (C4H7N2O2)2Ni + NH4(NO3) + H2O =>
2 C4H8N2O2 + 2 NH4OH + Ni(NO3)2 = (C4H7N2O2)2Ni + 2 NH4(NO3) + 2 H2O
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni =>
Zn(s) + Ni(NO3)2(aq) = Zn(NO3)2 + Ni
Fe(s) + I2(s) = Fe3I8(s) =>
3 Fe(s) + 4 I2(s) = Fe3I8(s)
Li + SmCl3 = Sm + LiCl =>
3 Li + SmCl3 = Sm + 3 LiCl
SiH4 + N2F4 = SiF4 + N2 + H2 =>
SiH4 + N2F4 = SiF4 + N2 + 2 H2
Cl + NH4OH = ClOH + NH4 =>
Cl + NH4OH = ClOH + NH4
Pt(s) + O2(g) = PtO2(s) =>
Pt(s) + O2(g) = PtO2(s)
C6H12O6 + NaOH = CO2 + H2O + Na =>
C6H12O6 + 24 NaOH = 6 CO2 + 18 H2O + 24 Na
CuCl2 + NaNO3 = Cu(NO3)2 + NaCl =>
CuCl2 + 2 NaNO3 = Cu(NO3)2 + 2 NaCl
MgN + H2O = N2 + H2 + MgO =>
2 MgN + 2 H2O = N2 + 2 H2 + 2 MgO
CuO + WO3 = Cu3WO6 =>
3 CuO + WO3 = Cu3WO6
FeSO4 + K3Fe(CN)6 = KFe[Fe(CN)6] + K2SO4 =>
FeSO4 + K3Fe(CN)6 = KFe[Fe(CN)6] + K2SO4
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