Équations équilibrées la veille |
3 S + 2 O3 = 3 SO2
K2CO3 + H2SO4 = K2S2O3 + H2CO3 + H2O + O2 =>
K2CO3 + 2 H2SO4 = K2S2O3 + H2CO3 + H2O + 2 O2
NaBrO3 + NH3 = N2 + NaBr + H2O =>
NaBrO3 + 2 NH3 = N2 + NaBr + 3 H2O
ClCH2COOH + Cu = CuCl + C2H4COOHCOOH =>
2 ClCH2COOH + 2 Cu = 2 CuCl + C2H4COOHCOOH
Br2 + K2S = KBr + S8 =>
8 Br2 + 8 K2S = 16 KBr + S8
Na2S2O + H2O2 = Na2SO4 + H2SO4 + H2O =>
Na2S2O + 6 H2O2 = Na2SO4 + H2SO4 + 5 H2O
CH3CH2CHCH2 + Br2 = CH3CH2CHBrCH2Br =>
CH3CH2CHCH2 + Br2 = CH3CH2CHBrCH2Br
ZnBr2 + Ca = Zn + CaBr2 =>
ZnBr2 + Ca = Zn + CaBr2
H3AlO3 + NaOH = NaAlO2 + H2O =>
H3AlO3 + NaOH = NaAlO2 + 2 H2O
Ba{2+} + NO3{2-} = Ba(NO3) =>
Ba{2+} + NO3{2-} = Ba(NO3)
Co + Sb = CoSb =>
Co + Sb = CoSb
ZnS + HCl + HNO3 = ZnCl2 + NO + S + H2O =>
3 ZnS + 6 HCl + 2 HNO3 = 3 ZnCl2 + 2 NO + 3 S + 4 H2O
K2CrO7 + SnCl2 + HCl = CrCl3 + H2O + KCl + SnCl4 =>
2 K2CrO7 + 9 SnCl2 + 28 HCl = 2 CrCl3 + 14 H2O + 4 KCl + 9 SnCl4
NaBrO2 = NaBr + O2 =>
NaBrO2 = NaBr + O2
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
MnO4{-} + S2{-} + H{+} = Mn2{+} + SO + H2O =>
10 MnO4{-} + 13 S2{-} + 28 H{+} = 5 Mn2{+} + 26 SO + 14 H2O
Ca + CH3COOH = CaCH3COO + H2 =>
2 Ca + 2 CH3COOH = 2 CaCH3COO + H2
Fe(OH)2 + HNO2 = Fe(NO3)3 + NO + H2O =>
Fe(OH)2 + 10 HNO2 = Fe(NO3)3 + 7 NO + 6 H2O
Cr(OH)3 + KOH = K[Cr(OH)4] =>
Cr(OH)3 + KOH = K[Cr(OH)4]
Mn + Au(NO3)3 = Mn(NO3)3 + Au =>
Mn + Au(NO3)3 = Mn(NO3)3 + Au
Na2O2 + H2O = NaOH + O2H2O = CO + H2 =>
2 Na2O2 + 3 H2O = 4 NaOH + O2H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
Ba(NO3)2 + K2SO4 = BaK2 + (NO3)2SO4 =>
Ba(NO3)2 + K2SO4 = BaK2 + (NO3)2SO4
Ag3PO4 + HNO3 = Ag2HPO4 + AgNO3 =>
Ag3PO4 + HNO3 = Ag2HPO4 + AgNO3
K2Cr2O7 + KI = K3CrO7 + CrI =>
K2Cr2O7 + KI = K3CrO7 + CrI
SnCl2 + HCl + Hg(NO3)2 = H2[SnCl6] + Hg2(NO3)2 + HNO3 =>
SnCl2 + 4 HCl + 2 Hg(NO3)2 = H2[SnCl6] + Hg2(NO3)2 + 2 HNO3
SrCl2(H20)6 + O2 = SrCl2 + H2O =>
SrCl2(H20)6 + 30 O2 = SrCl2 + 60 H2O
C8H9Cl + KMnO4 + H2SO4 = C8H5Cl + K2SO4 + MnSO4 + H2O =>
5 C8H9Cl + 4 KMnO4 + 6 H2SO4 = 5 C8H5Cl + 2 K2SO4 + 4 MnSO4 + 16 H2O
(NH4)2SO4 + RbBr = (NH4)2Br + RbSO4 =>
(NH4)2SO4 + RbBr = (NH4)2Br + RbSO4
SbS5 + HCl = SbCl3 + S + H2S =>
2 SbS5 + 6 HCl = 2 SbCl3 + 7 S + 3 H2S
Cu + S = Cu2S =>
2 Cu + S = Cu2S
LiOH + HNO3 = H2O + LiNO3 =>
LiOH + HNO3 = H2O + LiNO3
[Ni(NH3)6]2 + H2(g) = Ni(s) + NH4(aq) =>
[Ni(NH3)6]2 + 6 H2(g) = 2 Ni(s) + 12 NH4(aq)
C + F2 = CF4 =>
C + 2 F2 = CF4
S(s) + O2 = SO2(g) =>
S(s) + O2 = SO2(g)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CH3COOH + FeO = CH4 + Fe2CO4 =>
CH3COOH + 2 FeO = CH4 + Fe2CO4
B + HNO3 = B3NO3 + NO2 + H2O =>
3 B + 2 HNO3 = B3NO3 + NO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C6H5N2Cl + CuCN = C6H5CN + N2 + CuCl =>
C6H5N2Cl + CuCN = C6H5CN + N2 + CuCl
Pb + PbO2 + H2SO4 = PbSO4 + H2O =>
Pb + PbO2 + 2 H2SO4 = 2 PbSO4 + 2 H2O
C6H10 + HCl = C6H11Cl =>
C6H10 + HCl = C6H11Cl
BaS + O3 = BaSO4 =>
3 BaS + 4 O3 = 3 BaSO4
NaI + Cl2 = NaCl + I2 =>
2 NaI + Cl2 = 2 NaCl + I2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
[Co(NH3)6]{2+} + NH4{+} + O2 = [Co(NH3)6]{3+} + NH3 + H2O =>
4[Co(NH3)6]{2+} + 4 NH4{+} + O2 = 4[Co(NH3)6]{3+} + 4 NH3 + 2 H2O
Br2 + H2O + HI = HIO3 + HBr =>
3 Br2 + 3 H2O + HI = HIO3 + 6 HBr
Al{3+} + OH{-} = OH + Al =>
Al{3+} + 3 OH{-} = 3 OH + Al
Mg + Na2Cr2O7 = Na2 + MgCr2O7 =>
Mg + Na2Cr2O7 = Na2 + MgCr2O7
CuCO3 = CuO + C2 + O2 =>
2 CuCO3 = 2 CuO + C2 + 2 O2
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