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CuFeS2 + 2(NH4)2SO4 = CuSO4 + FeSO4 + 2 H2S + 4 NH3
Fe + Si = Fe2Si =>
2 Fe + Si = Fe2Si
Cu + H2SO4 + NaNO3 = NO2 + Na2SO4 + H2O + CuSO4 =>
Cu + 2 H2SO4 + 2 NaNO3 = 2 NO2 + Na2SO4 + 2 H2O + CuSO4
NH4OH = NH4 + OH =>
NH4OH = NH4 + OH
Al2S3O12 + CaCl2 = AlCl3 + CaSO4 =>
Al2S3O12 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
K2Cr(SO4) + K2SO8 + H2O = K2CrO7 + H2SO4 + K2SO4 =>
2 K2Cr(SO4) + 3 K2SO8 + 2 H2O = 2 K2CrO7 + 2 H2SO4 + 3 K2SO4
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
N2H4HCl + K2Cr2O7 + HCl = N2 + CrCl3 + KCl + H2O =>
3 N2H4HCl + 2 K2Cr2O7 + 13 HCl = 3 N2 + 4 CrCl3 + 4 KCl + 14 H2O
CH3CHOHCH2CH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CH3CH2CH2CHO + H2O =>
5 CH3CHOHCH2CH3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 CH3CH2CH2CHO + 8 H2O
Zn + K2CrO4 + KOH = K2ZnO2 + KCrO2 + H2O =>
3 Zn + 2 K2CrO4 + 4 KOH = 3 K2ZnO2 + 2 KCrO2 + 2 H2O
NaHCO3 + H3C6H5O7 = CO2 + H2O + Na3C6H5O7 =>
3 NaHCO3 + H3C6H5O7 = 3 CO2 + 3 H2O + Na3C6H5O7
CaO + Cl2 = CaCl2 + O2 =>
2 CaO + 2 Cl2 = 2 CaCl2 + O2
CuSO4 + NaOH + CH3HO = Cu2O + CH3COOH + Na2SO4 + H2O =>
4 CuSO4 + 8 NaOH + 2 CH3HO = 2 Cu2O + CH3COOH + 4 Na2SO4 + 6 H2O
KO2 + K = K2O =>
KO2 + 3 K = 2 K2O
Hg(C2H3O2)2 + Na2S = HgS + Na(C2H3O2) =>
Hg(C2H3O2)2 + Na2S = HgS + 2 Na(C2H3O2)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(NH4)2SO3 + HCl = NH4Cl + SO2 + H2O =>
(NH4)2SO3 + 2 HCl = 2 NH4Cl + SO2 + H2O
LiCl + Br2 = LiBr + Cl2 =>
2 LiCl + Br2 = 2 LiBr + Cl2
C + O2 = CO2 =>
C + O2 = CO2
HNO3 + HI = NO2 + HIO3 + H2O =>
6 HNO3 + HI = 6 NO2 + HIO3 + 3 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CdCl2(aq) + O2(g) = CdO(s) + Cl2(g) =>
2 CdCl2(aq) + O2(g) = 2 CdO(s) + 2 Cl2(g)
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Da(OH)3 = Da2O3 + H2O =>
2 Da(OH)3 = Da2O3 + 3 H2O
PBr3 = P + Br =>
PBr3 = P + 3 Br
AlBr3 + Cl2 = AlCl3 + Br2 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 3 Br2
Co + S = Co4S =>
4 Co + S = Co4S
HCIO3 + KOH = K(CIO3) + H2O =>
HCIO3 + KOH = K(CIO3) + H2O
H2C2O4 + KOH = C2O4 + H2O + K =>
H2C2O4 + 2 KOH = C2O4 + 2 H2O + 2 K
L2 + Fe = FeL3 =>
3 L2 + 2 Fe = 2 FeL3
CaH2 + NH4NO3 = Ca(NO3)2 + NH3 + H2O =>
2 CaH2 + 5 NH4NO3 = 2 Ca(NO3)2 + 6 NH3 + 3 H2O
C2H2 + KMnO4 + H2O = C2H2(OH)4 + MnO2 + KOH =>
3 C2H2 + 4 KMnO4 + 8 H2O = 3 C2H2(OH)4 + 4 MnO2 + 4 KOH
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
H{3}PO{4} + KOH = H2O + K{3}PO{4} =>
H{3}PO{4} + KOH = H2O + K{3}PO{4}
CH3OH + CO = CH3COOH =>
CH3OH + CO = CH3COOH
AgNO3 + H2SO4 = AgNO3H2SO4 =>
AgNO3 + H2SO4 = AgNO3H2SO4
NaOH + I2 = NaI2 + NaIO3 + H2O =>
12 NaOH + 11 I2 = 10 NaI2 + 2 NaIO3 + 6 H2O
AlBr3 + Cl2 = AlCl3 + Br3 =>
2 AlBr3 + 3 Cl2 = 2 AlCl3 + 2 Br3
K2S + FeBr2 = FeS + KBr =>
K2S + FeBr2 = FeS + 2 KBr
MgN + H2O = MgHO2 + NH3 =>
MgN + 2 H2O = MgHO2 + NH3
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Co + S2 = CoS =>
2 Co + S2 = 2 CoS
Na2S2O3 + HNO3 = NO2 + NaHSO4 + H2O =>
Na2S2O3 + 8 HNO3 = 8 NO2 + 2 NaHSO4 + 3 H2O
C2H2 = C + H =>
C2H2 = 2 C + 2 H
N2O2 + H2 = NH3 + H2O =>
N2O2 + 5 H2 = 2 NH3 + 2 H2O
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
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