Équations équilibrées la veille |
Na2SO3 + 2 Ca(OH)2 = Ca2SO3 + 2 Na(OH)2
Fe2 + O2 = Fe2O3 =>
2 Fe2 + 3 O2 = 2 Fe2O3
Mg(s) + HCl(aq) = H2(g) + Mg{2+} + Cl{-}(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + Mg{2+} + 2 Cl{-}(aq)
Cd + I2 = CdI2 =>
Cd + I2 = CdI2
N(CH3)3 + HCl = NH(CH3)3 + Cl =>
N(CH3)3 + HCl = NH(CH3)3 + Cl
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Ca(NO3)2 + CH3OH = CaO + H2O + N2 + CO2 =>
3 Ca(NO3)2 + 5 CH3OH = 3 CaO + 10 H2O + 3 N2 + 5 CO2
*2CH3OH + *3O2 = *2CO2 + *4H2O =>
*2CH3OH + *3O2 = *2CO2 + *4H2O
Ba(OH)2 + NH4Br = H2O + NH3 + BaBr2 =>
Ba(OH)2 + 2 NH4Br = 2 H2O + 2 NH3 + BaBr2
HNiO3 + Cu = Cu(NiO3)2 + H2 =>
2 HNiO3 + Cu = Cu(NiO3)2 + H2
MgCl2 + Zn = MgZnCl2 =>
MgCl2 + Zn = MgZnCl2
XFe + O2 + H2O = XFe(OH)2 =>
2 XFe + O2 + 2 H2O = 2 XFe(OH)2
CuCl2 + NH2OH*HCl = CuCl + N2 + HCl + H2O =>
2 CuCl2 + 2 NH2OH*HCl = 2 CuCl + N2 + 4 HCl + 2 H2O
NaCN + HCl = NaCl + HCN =>
NaCN + HCl = NaCl + HCN
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
DMSO + O2 = DMSO2 =>
2 DMSO + O2 = 2 DMSO2
NaHCO3 + CO2 = NaHC2O5 =>
NaHCO3 + CO2 = NaHC2O5
HBr + Zn(OH)2 = ZnBr2 + H2O =>
2 HBr + Zn(OH)2 = ZnBr2 + 2 H2O
Ba(OH)2 + KH2PO4 = KBaPO4 + H2O =>
Ba(OH)2 + KH2PO4 = KBaPO4 + 2 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KMnO4 + K2S + HCl = MnO2 + KCl + S + H2O =>
2 KMnO4 + 3 K2S + 8 HCl = 2 MnO2 + 8 KCl + 3 S + 4 H2O
CuCl2 + NaI = CuI + I2 + NaCl =>
2 CuCl2 + 4 NaI = 2 CuI + I2 + 4 NaCl
(CH3)3CCl(aq) + H2O(l) = (CH3)3COH(aq) + HCl =>
(CH3)3CCl(aq) + H2O(l) = (CH3)3COH(aq) + HCl
C2H4 + KCrO7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
5 C2H4 + 6 KCrO7 + 12 H2SO4 = 10 CO2 + 3 Cr2(SO4)3 + 3 K2SO4 + 22 H2O
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
C3H6O2 + O2 = CO2 + H2O =>
2 C3H6O2 + 7 O2 = 6 CO2 + 6 H2O
Mg(s) + HCl(aq) = H2(g) + MgCl2(aq) =>
Mg(s) + 2 HCl(aq) = H2(g) + MgCl2(aq)
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ni2O3 + Fe + H2O = Ni(OH)2 + Fe(OH)2 =>
Ni2O3 + Fe + 3 H2O = 2 Ni(OH)2 + Fe(OH)2
CuCl2 + NaI = CuI + I2 + NaCl =>
2 CuCl2 + 4 NaI = 2 CuI + I2 + 4 NaCl
BeOKOHH2O = KBe(OH)3 =>
BeOKOHH2O = KBe(OH)3
zinc + iron(iii)chloride = zincchloride + iron =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
W + KClO4 = WO2 + KCl =>
2 W + KClO4 = 2 WO2 + KCl
Zn + FeC13 = ZnC12 + Fe =>
13 Zn + 12 FeC13 = 13 ZnC12 + 12 Fe
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
CuOZnO = CuO2Zn =>
CuOZnO = CuO2Zn
Na2S + Fe = Na + FeS =>
Na2S + Fe = 2 Na + FeS
Na2SO3 + Ca(OH)2 = Ca2SO3 + Na(OH)2 =>
Na2SO3 + 2 Ca(OH)2 = Ca2SO3 + 2 Na(OH)2
HAsO2 + KMnO4 + H2SO4 + H2O = H3AsO4 + MnSO4 + K2SO4 =>
5 HAsO2 + 2 KMnO4 + 3 H2SO4 + 2 H2O = 5 H3AsO4 + 2 MnSO4 + K2SO4
Hg + HI = H2[HgI4] + H2 =>
Hg + 4 HI = H2[HgI4] + H2
CO3 + O2 = CO2O3 =>
CO3 + O2 = CO2O3
CO2 + Br2 = CBr4 + O2 =>
CO2 + 2 Br2 = CBr4 + O2
P2O3 + NaClO3 + NaOH = NaCl + Na3PO4 + H2O =>
3 P2O3 + 2 NaClO3 + 18 NaOH = 2 NaCl + 6 Na3PO4 + 9 H2O
BaCl2(s) + NaIO3(s) = Ba(IO3)2(s) + NaCl(s) =>
BaCl2(s) + 2 NaIO3(s) = Ba(IO3)2(s) + 2 NaCl(s)
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + H2O + CH3COO + K2SO4 =>
5 K2Cr2O7 + 20 H2SO4 + 6 CH3CH2OH = 5 Cr2(SO4)3 + 29 H2O + 6 CH3COO + 5 K2SO4
FeS + O2 + NaCN + H2O = Fe(OH)3 + NaCNS =>
4 FeS + 3 O2 + 4 NaCN + 6 H2O = 4 Fe(OH)3 + 4 NaCNS
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
ZnS + O2 = ZnO + SO4 =>
2 ZnS + 5 O2 = 2 ZnO + 2 SO4
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