Équations équilibrées la veille |
CaC2O4 = CaCO3CO
KHSO4 = K2S2O7 + H2O =>
2 KHSO4 = K2S2O7 + H2O
Na + Al(NO3)3 = Al + NaNO3 =>
3 Na + Al(NO3)3 = Al + 3 NaNO3
K2SiO3 + CO2 = CSiO3 + KO =>
K2SiO3 + CO2 = CSiO3 + 2 KO
C6H5COOK + H2 = C6H6 + KOH + CO2 =>
12 C6H5COOK + 15 H2 = 13 C6H6 + 12 KOH + 6 CO2
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
Fe(OH)2 + Na2SO4 = NaOH + FeSO4 =>
Fe(OH)2 + Na2SO4 = 2 NaOH + FeSO4
SrSO4 + K3PO4 = Sr3(PO4)2 + K2SO4 =>
3 SrSO4 + 2 K3PO4 = Sr3(PO4)2 + 3 K2SO4
N2 + C2H6 = N2H4 + C2H2 =>
N2 + C2H6 = N2H4 + C2H2
KMnO4 + C4H8 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
8 KMnO4 + 5 C4H8 + 12 H2SO4 = 10 CH3COOH + 8 MnSO4 + 4 K2SO4 + 12 H2O
H2 + C + N2 = HCN =>
H2 + 2 C + N2 = 2 HCN
K3PO4 + Ag = Ag3PO4 + K =>
K3PO4 + 3 Ag = Ag3PO4 + 3 K
PCI5 + H2O = H3PO4 + H + C + I =>
PCI5 + 4 H2O = H3PO4 + 5 H + C + 5 I
CO2 = CO + O2 =>
2 CO2 = 2 CO + O2
CrO3 + ZnO = ZnCrO4 =>
CrO3 + ZnO = ZnCrO4
FeCl3 + H2O = Fe(OH)3 + HCl =>
FeCl3 + 3 H2O = Fe(OH)3 + 3 HCl
FeCl3 + KOH = Fe(OH)3 + KCl =>
FeCl3 + 3 KOH = Fe(OH)3 + 3 KCl
FeCl3 + NaOH = NaCl + Fe(OH)3 =>
FeCl3 + 3 NaOH = 3 NaCl + Fe(OH)3
H2SO4 + CaO = CaSO4 + H2O =>
H2SO4 + CaO = CaSO4 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H2SO4 + CCl4 = C(SO4)2 + HCl =>
2 H2SO4 + CCl4 = C(SO4)2 + 4 HCl
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
V2O3 + Cl2 + C = VCl3 + CO2 =>
2 V2O3 + 6 Cl2 + 3 C = 4 VCl3 + 3 CO2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Cr2O3 + K2CO3 + KNO3 = K2CrO4 + KNO2 + CO2 =>
Cr2O3 + 2 K2CO3 + 3 KNO3 = 2 K2CrO4 + 3 KNO2 + 2 CO2
HMnO4 = MnO2 + O2 + H2O =>
4 HMnO4 = 4 MnO2 + 3 O2 + 2 H2O
Pb + HNO3 = Pb(NO3)2 + NO2 + H2O =>
Pb + 4 HNO3 = Pb(NO3)2 + 2 NO2 + 2 H2O
Be(OH)2 + NaOH = Na2(Be(OH)4) =>
Be(OH)2 + 2 NaOH = Na2(Be(OH)4)
NaI + KClO3 + H2SO4 = I2 + KCl + Na2SO4 + H2O =>
6 NaI + KClO3 + 3 H2SO4 = 3 I2 + KCl + 3 Na2SO4 + 3 H2O
C13H28(l) + O2(g) = CO(g) + H2O(g) =>
2 C13H28(l) + 27 O2(g) = 26 CO(g) + 28 H2O(g)
C6H5CHO + CuO = C6H5COOH + Cu =>
C6H5CHO + CuO = C6H5COOH + Cu
NH4OH + H3PO4 = (NH4)3PO4 + H2O =>
3 NH4OH + H3PO4 = (NH4)3PO4 + 3 H2O
NO2 = NO + O2 =>
2 NO2 = 2 NO + O2
Ag2S + CuCl2 = AgCl + CuS =>
Ag2S + CuCl2 = 2 AgCl + CuS
KOI3 = K + O + I =>
KOI3 = K + O + 3 I
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
K2Cr2O7 + H2SO4 + CH3CH2OH = Cr2(SO4)3 + K2SO4 + CH3CHO + H2O =>
K2Cr2O7 + 4 H2SO4 + 3 CH3CH2OH = Cr2(SO4)3 + K2SO4 + 3 CH3CHO + 7 H2O
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
HNO3 + CaO3 = Ca(NO3)2 + H2O + O2 =>
2 HNO3 + CaO3 = Ca(NO3)2 + H2O + O2
K2SiO3 + CO2 = CSiO3 + KO =>
K2SiO3 + CO2 = CSiO3 + 2 KO
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Fe2Cl + Li = LiCl + Fe2 =>
Fe2Cl + Li = LiCl + Fe2
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
C6H8O7 + CH4N2O + C7H6O2 = C13H11NO5 + H2O =>
25 C6H8O7 + 27 CH4N2O + 75 C7H6O2 = 54 C13H11NO5 + 82 H2O
Cu(H2O)6 + NaOH = Cu(OH)2 + Na + (H2O) =>
Cu(H2O)6 + 2 NaOH = Cu(OH)2 + 2 Na + 6(H2O)
NH2NH2 + H2O2 = N + H2O =>
NH2NH2 + 2 H2O2 = 2 N + 4 H2O
(NH4)2Fe(SO4)2 + Na2H(C3H5O(COO)3) = (NH4)2H(C3H5O(COO)3) + Na2Fe(SO4)2 =>
(NH4)2Fe(SO4)2 + Na2H(C3H5O(COO)3) = (NH4)2H(C3H5O(COO)3) + Na2Fe(SO4)2
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