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2 NaOH + H2SO4 = Na2SO4 + 2 H2O
(NH4)2S(aq) + SrCl2(aq) = (NH4)Cl + SrS =>
(NH4)2S(aq) + SrCl2(aq) = 2(NH4)Cl + SrS
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
Ag + FePO4 = Ag3PO4 + Fe =>
3 Ag + FePO4 = Ag3PO4 + Fe
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
I2 + IO3{-} + H{+} + Cl{-} = ICl2 + H2O =>
3 I2 + 4 IO3{-} + 24 H{+} + 20 Cl{-} = 10 ICl2 + 12 H2O
Co(NO3)2 + NH4 + SCN = Co(SCN)2 + NH4(NO3)2 =>
Co(NO3)2 + NH4 + 2 SCN = Co(SCN)2 + NH4(NO3)2
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
FeS + O2 + H2O = Fe2O3 + H2SO4 =>
4 FeS + 9 O2 + 4 H2O = 2 Fe2O3 + 4 H2SO4
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
Cr2(CO3)3 + Ca(OH)2 = Cr(OH)3 + CaCO3 =>
Cr2(CO3)3 + 3 Ca(OH)2 = 2 Cr(OH)3 + 3 CaCO3
NH4I + Cl2 = NH4Cl + I2 =>
2 NH4I + Cl2 = 2 NH4Cl + I2
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
AgNO3 + NaCl = NaNO3 + AgCl =>
AgNO3 + NaCl = NaNO3 + AgCl
KI + HCl = KCl + HI =>
KI + HCl = KCl + HI
Al2(CO3)3 = Al2O3 + CO2 =>
Al2(CO3)3 = Al2O3 + 3 CO2
NiSO4 + Ca(NO3)2 = CaSO4 + Ni(NO3)2 =>
NiSO4 + Ca(NO3)2 = CaSO4 + Ni(NO3)2
Co(NO3)2 + NH4 + SCN = [Co(SCN)2] + NH4(NO3)2 =>
Co(NO3)2 + NH4 + 2 SCN = [Co(SCN)2] + NH4(NO3)2
Zn + PbNO3 = ZnNO3 + Pb =>
Zn + PbNO3 = ZnNO3 + Pb
Co(NO3)2 + NH4 + SCN = [Co(SCN)4] + NH4(NO3)2 =>
Co(NO3)2 + NH4 + 4 SCN = [Co(SCN)4] + NH4(NO3)2
LiAlH4 = LiH + Al + H2 =>
2 LiAlH4 = 2 LiH + 2 Al + 3 H2
AgNO3 + NaBr = NaNO3 + AgBr =>
AgNO3 + NaBr = NaNO3 + AgBr
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
PbO2 = PbO + O2 =>
2 PbO2 = 2 PbO + O2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CaO + MnI4 = MnO2 + CaI2 =>
2 CaO + MnI4 = MnO2 + 2 CaI2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Zn + H2S = ZnS + H2 =>
Zn + H2S = ZnS + H2
Mg(NO3)2 + HCl = H(NO3) + MgCl2 =>
Mg(NO3)2 + 2 HCl = 2 H(NO3) + MgCl2
(NH4)3PO4 + Pb(NO3)4 = Pb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Pb(NO3)4 = Pb3(PO4)4 + 12 NH4NO3
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Co(NO3)2 + NH4 + SCN = [Co(SCN)4] + NH4(NO3)2 =>
Co(NO3)2 + NH4 + 4 SCN = [Co(SCN)4] + NH4(NO3)2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
C3H5(NO3)3 = CO2 + H2O + N2 + O2 =>
4 C3H5(NO3)3 = 12 CO2 + 10 H2O + 6 N2 + O2
CoI3 + KMnO4 = Co(MnO4)3 + KI =>
CoI3 + 3 KMnO4 = Co(MnO4)3 + 3 KI
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Fe2O3 + H2O = Fe(OH)3 =>
Fe2O3 + 3 H2O = 2 Fe(OH)3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Pb + OH = Pb(OH)2 =>
Pb + 2 OH = Pb(OH)2
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
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