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Au22S3 + 3 H2 = 22 Au + 3 H2S
HF + PbO = PbF2 + H2O =>
2 HF + PbO = PbF2 + H2O
H2O + Al + NO3 = AlO2{-} + H{+} + NH3 =>
3 H2O + 3 Al + NO3 = 3 AlO2{-} + 3 H{+} + NH3
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
I2 + Al2O3 = AlI + O2 =>
2 I2 + 2 Al2O3 = 4 AlI + 3 O2
HCl + Br = BrCl2 + H2 =>
2 HCl + Br = BrCl2 + H2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Pb(NO3)2 + HCl = PbCl2 + (HNO3) =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2(HNO3)
FeO + S = FeS2 + SO2 =>
2 FeO + 5 S = 2 FeS2 + SO2
NaFeO2 + HNO3 = NaNO3 + Fe(NO3)3 + H2O =>
NaFeO2 + 4 HNO3 = NaNO3 + Fe(NO3)3 + 2 H2O
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Fe + Cu = FeCu =>
Fe + Cu = FeCu
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
CuCl2 + H3(PO4) = Cu3(PO4)2 + HCl =>
3 CuCl2 + 2 H3(PO4) = Cu3(PO4)2 + 6 HCl
Cu + Fe + S2 = CuFeS2 =>
Cu + Fe + S2 = CuFeS2
H + P2 + O3 = H3PO3 =>
6 H + P2 + 2 O3 = 2 H3PO3
F2 + S2 = S8F10 =>
5 F2 + 4 S2 = S8F10
HF + PbO = PbF2 + H2O =>
2 HF + PbO = PbF2 + H2O
Al + BaCl2 = AlCl3 + Ba =>
2 Al + 3 BaCl2 = 2 AlCl3 + 3 Ba
Mg + (CuO) = MgO + Cu =>
Mg + (CuO) = MgO + Cu
CuS + H2O2 + HCl = S + H2O + CuCl2 =>
CuS + H2O2 + 2 HCl = S + 2 H2O + CuCl2
Lead(II)Nitrate + SodiumBromide = Lead(II)Bromide + SodiumNitrate =>
Lead(II)Nitrate + SodiumBromide = Lead(II)Bromide + SodiumNitrate
C2H4 + HCl = C2H4Cl2 + H2 =>
C2H4 + 2 HCl = C2H4Cl2 + H2
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Cr2S3 + HCl = S + CrCl2 + H2S =>
Cr2S3 + 4 HCl = S + 2 CrCl2 + 2 H2S
C2H4 + HCl = C2H4Cl2 + H2 =>
C2H4 + 2 HCl = C2H4Cl2 + H2
ZnO + K2O = K2ZnO2 =>
ZnO + K2O = K2ZnO2
NaOH + N2SO4 = NOH + Na2SO4 =>
2 NaOH + N2SO4 = 2 NOH + Na2SO4
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
PbCl2 + NH3 = Pb(NH3)2 + Cl =>
PbCl2 + 2 NH3 = Pb(NH3)2 + 2 Cl
C3H6 + Br2 = C3H5Br + HBr =>
C3H6 + Br2 = C3H5Br + HBr
Ba(OH)2 + H2SO3 = BaSO3 + H2(OH)2 =>
Ba(OH)2 + H2SO3 = BaSO3 + H2(OH)2
H2SO4 + NaNO3 = NaSO4 + H2NO3 =>
H2SO4 + NaNO3 = NaSO4 + H2NO3
C2H4 + HCl = C2H4Cl2 + H2 =>
C2H4 + 2 HCl = C2H4Cl2 + H2
H2S(g) + Br2(e) = HBr(g) + S(s) =>
H2S(g) + Br2(e) = 2 HBr(g) + S(s)
KBr + FeCl3 = Br2 + KCl + FeCl2 =>
2 KBr + 2 FeCl3 = Br2 + 2 KCl + 2 FeCl2
PbO2(aq) + NaCl(aq) = PbCl4(s) + Na2O(aq) =>
PbO2(aq) + 4 NaCl(aq) = PbCl4(s) + 2 Na2O(aq)
Fe(OH)2 + KMnO4 + KOH = K2MnO4 + Fe(OH)3 =>
Fe(OH)2 + KMnO4 + KOH = K2MnO4 + Fe(OH)3
Na2HPO4 + NH4Cl + NH3 + MgSO4 = Mg(NH4)PO4 + (NH4)2SO4 + NaCl =>
Na2HPO4 + 2 NH4Cl + NH3 + MgSO4 = Mg(NH4)PO4 + (NH4)2SO4 + 2 NaCl
K2CrO4 + KOH + H[SnCl3] + H2O = K[Cr(OH)4] + K3[Sn(OH)6] + KCl =>
K2CrO4 + 17 KOH + 3 H[SnCl3] + H2O = K[Cr(OH)4] + 3 K3[Sn(OH)6] + 9 KCl
CsSO3 = Cs + SO3 =>
CsSO3 = Cs + SO3
H2O + Al + NO3 = AlO2{-} + H{+} + NH3 =>
3 H2O + 3 Al + NO3 = 3 AlO2{-} + 3 H{+} + NH3
[S2O3]2{-} + I2 = [S4O6]2{-} + [I]{-}1 =>
4[S2O3]2{-} + I2 = 2[S4O6]2{-} + 2[I]{-}1
K2SO4(aq) + SrI2(aq) = KI + SrSO4 =>
K2SO4(aq) + SrI2(aq) = 2 KI + SrSO4
CuCO3 + O2 = CO3 + Cu2O =>
4 CuCO3 + O2 = 4 CO3 + 2 Cu2O
Ca2CO3 + HNO3 = CaNO3 + CO2 + H2O =>
Ca2CO3 + 2 HNO3 = 2 CaNO3 + CO2 + H2O
C2H4 + HCl = C2H4Cl2 + H2 =>
C2H4 + 2 HCl = C2H4Cl2 + H2
K2Cr2O7 + H2SO3 = H2O + H2SO4 + K2SO4 + CrSO4 =>
K2Cr2O7 + 4 H2SO3 = 3 H2O + H2SO4 + K2SO4 + 2 CrSO4
C2H4 + HCl = C2H4Cl2 + H2 =>
C2H4 + 2 HCl = C2H4Cl2 + H2
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