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PbS2 + 2 O2 = Pb + 2 SO2
CH3Cl = CH3* + Cl* =>
CH3Cl = CH3* + Cl*
Ce(SO4)2 + H2O = Ce(OH)4 + H2SO4 =>
Ce(SO4)2 + 4 H2O = Ce(OH)4 + 2 H2SO4
Na{+} + CrO4{2-} = Na2CrO4 =>
2 Na{+} + CrO4{2-} = Na2CrO4
Al + N2SO4 = Al(SO4)3 + N2 =>
Al + 3 N2SO4 = Al(SO4)3 + 3 N2
(NH4)2Cr2O7 + H2SO4 = CrO3 + (NH4)2SO4 + H2O =>
(NH4)2Cr2O7 + H2SO4 = 2 CrO3 + (NH4)2SO4 + H2O
CH4 + CH3Cl = C2H5Cl + H2 =>
CH4 + CH3Cl = C2H5Cl + H2
MnSO4 + MgCl2 = MgSO4 + MnCl2 =>
MnSO4 + MgCl2 = MgSO4 + MnCl2
NH4F = NH4 + F =>
NH4F = NH4 + F
Ca(BrO2)2 + HI = I2 + H2O + CaBr2 =>
Ca(BrO2)2 + 8 HI = 4 I2 + 4 H2O + CaBr2
NaHCO3 + CHOOH = NaCH3COO + H2O + CO2 =>
NaHCO3 + 4 CHOOH = NaCH3COO + 3 H2O + 3 CO2
HNO3 + Mg(C2H3O2)2 = HC2H3O2 + Mg(NO3)2 =>
2 HNO3 + Mg(C2H3O2)2 = 2 HC2H3O2 + Mg(NO3)2
C4H9NO2 + HNO3 = H2O + NO + C4H6O2 =>
3 C4H9NO2 + 5 HNO3 = 7 H2O + 8 NO + 3 C4H6O2
P + K2O = P2O5 + K =>
2 P + 5 K2O = P2O5 + 10 K
Ca + MgSO4 = CaSO4 + Mg =>
Ca + MgSO4 = CaSO4 + Mg
Co + Br = CoBr4 =>
Co + 4 Br = CoBr4
ClF3 + O2 = Cl2O + OF =>
4 ClF3 + 7 O2 = 2 Cl2O + 12 OF
C12 + O2 = CO =>
C12 + 6 O2 = 12 CO
CrBr2(aq) + Na2CO3(aq) = CrCO3 + NaBr =>
CrBr2(aq) + Na2CO3(aq) = CrCO3 + 2 NaBr
BaCl2 + K2HPO4 = BaHPO4 + K2Cl2 =>
BaCl2 + K2HPO4 = BaHPO4 + K2Cl2
Na2MnO4 + SO2 + H2O = NaMnO4 + NaHSO3 + MnO2 =>
3 Na2MnO4 + 4 SO2 + 2 H2O = 2 NaMnO4 + 4 NaHSO3 + MnO2
K3 + N = KN =>
K3 + 3 N = 3 KN
CH3OH + SOCl2 = CH3Cl + SO2 + HCl =>
CH3OH + SOCl2 = CH3Cl + SO2 + HCl
C6H8O7 + C2H6O + CH4N2O = C7H10N4O3 + H2O =>
10 C6H8O7 + 15 C2H6O + 36 CH4N2O = 18 C7H10N4O3 + 67 H2O
C3O2 + O2 = CO2 =>
C3O2 + 2 O2 = 3 CO2
Na2S + K2CrO4 + HCl = NaCl + KCl + CrCl3 + S + H2O =>
3 Na2S + 2 K2CrO4 + 16 HCl = 6 NaCl + 4 KCl + 2 CrCl3 + 3 S + 8 H2O
MgSO4 + Fe(NO3)3 = Fe2(SO4)3 + Mg(NO3)2 =>
3 MgSO4 + 2 Fe(NO3)3 = Fe2(SO4)3 + 3 Mg(NO3)2
PCl3 + CH3OH = C3H9O3P + HCl =>
PCl3 + 3 CH3OH = C3H9O3P + 3 HCl
C6H8 = C + H2 =>
C6H8 = 6 C + 4 H2
MnO2 + Ca = CaO + Mn =>
MnO2 + 2 Ca = 2 CaO + Mn
SnCl2 + NaOH + NaBiO3 + H2O = Na2(Sn(OH)6) + Bi(OH)3 + NaCl =>
SnCl2 + 3 NaOH + NaBiO3 + 3 H2O = Na2(Sn(OH)6) + Bi(OH)3 + 2 NaCl
Ca(PO4)2 + C + SiO = CaSiO3 + P + CO =>
Ca(PO4)2 + 6 C + SiO = CaSiO3 + 2 P + 6 CO
CH3COONa + H3PO4 = CH3COOH + NaH2PO4 =>
CH3COONa + H3PO4 = CH3COOH + NaH2PO4
H2MnO4 + Al(OH)3 = Al2(MnO4)3 + H2O =>
3 H2MnO4 + 2 Al(OH)3 = Al2(MnO4)3 + 6 H2O
H2CO + Ag(NH3)2OH = (NH4)2CO3 + Ag + NH3 + H2O =>
H2CO + 4 Ag(NH3)2OH = (NH4)2CO3 + 4 Ag + 6 NH3 + 2 H2O
(NH4)2CO3 + Mn(NO3)2 = (NH4)2(NO3)2 + MnCO3 =>
(NH4)2CO3 + Mn(NO3)2 = (NH4)2(NO3)2 + MnCO3
NaHCO3AgNO3 = NaNO3AgOHCO2 =>
NaHCO3AgNO3 = NaNO3AgOHCO2
C6H5OH + H2SO4 = HOC6H4SO3H + H2O =>
C6H5OH + H2SO4 = HOC6H4SO3H + H2O
SrO + H2O = SrH2 + O3 =>
3 SrO + 3 H2O = 3 SrH2 + 2 O3
MgSO4*7H2O + NaHCO3 = Mg(HCO3)2 + Na2SO4 + H2O =>
MgSO4*7H2O + 2 NaHCO3 = Mg(HCO3)2 + Na2SO4 + 7 H2O
HgSO4 + NH4(NO3) = Hg(NO3)2 + (NH4)2SO4 =>
HgSO4 + 2 NH4(NO3) = Hg(NO3)2 + (NH4)2SO4
BaO2 + Mg = Ba + MgO =>
BaO2 + 2 Mg = Ba + 2 MgO
C6H4(CH3)2 + KMnO4 = C6H4(COOK)2 + MnO2 + KOH + H2O =>
C6H4(CH3)2 + 4 KMnO4 = C6H4(COOK)2 + 4 MnO2 + 2 KOH + 2 H2O
NaHSO3 + Br2 + H2O = NaBr + H2SO4 + HBr =>
NaHSO3 + Br2 + H2O = NaBr + H2SO4 + HBr
C6H5CH2OH + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
5 C6H5CH2OH + 4 KMnO4 + 6 H2SO4 = 5 C6H5COOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
P2O5 + NaOH = POH + Na2O5 =>
P2O5 + 2 NaOH = 2 POH + Na2O5
SCl2 + H2O = S + H2SO4 + HCl =>
3 SCl2 + 4 H2O = 2 S + H2SO4 + 6 HCl
CH3COCl + CH3CH3CH3COH = CH3COCH3CH3CH3CO + HCl =>
CH3COCl + CH3CH3CH3COH = CH3COCH3CH3CH3CO + HCl
CO + K2Cr2O7 + KOH + H2O = Cr(OH)3 + KHCO3 =>
3 CO + K2Cr2O7 + KOH + 4 H2O = 2 Cr(OH)3 + 3 KHCO3
KI + NaNO2 + H2O = I2 + NO + KOH + NaOH =>
2 KI + 2 NaNO2 + 2 H2O = I2 + 2 NO + 2 KOH + 2 NaOH
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