Équations équilibrées la veille |
HNO3 + HCl = Cl + H2O + NO2
PbSO4 + H2O = H2O2 + PbS =>
PbSO4 + 4 H2O = 4 H2O2 + PbS
H2SeO3 + H2[SnCl4] + HCl = Se + H2O + H2[SnCl6] =>
H2SeO3 + 2 H2[SnCl4] + 4 HCl = Se + 3 H2O + 2 H2[SnCl6]
Ca(OH)2(aq) + CH3COOH(aq) = H2O(l) + Ca(CH3COO)2(aq) =>
Ca(OH)2(aq) + 2 CH3COOH(aq) = 2 H2O(l) + Ca(CH3COO)2(aq)
H3PO4 + Ca(OH)2 = H2O + Ca5(PO4)3(OH) =>
3 H3PO4 + 5 Ca(OH)2 = 9 H2O + Ca5(PO4)3(OH)
NaI + PbCl4 = NaCl + PbI4 =>
4 NaI + PbCl4 = 4 NaCl + PbI4
C12H6 + O2 = CO + H2O =>
2 C12H6 + 15 O2 = 24 CO + 6 H2O
CaCl + HNO3 = Ca(NO3)2 + H2Cl =>
CaCl + 2 HNO3 = Ca(NO3)2 + H2Cl
B4O7Na2 + H2O + H2SO4 = H3BO3 + Na2SO4 =>
B4O7Na2 + 5 H2O + H2SO4 = 4 H3BO3 + Na2SO4
C47H19O08 + O2 = CO2 + H2O =>
4 C47H19O08 + 191 O2 = 188 CO2 + 38 H2O
Cd + Te = CdTe =>
Cd + Te = CdTe
H2O2(l) + SO2 = H2SO4(aq) =>
H2O2(l) + SO2 = H2SO4(aq)
FeCO3 + CH2(COOH)2 = FeCOOH + CO2 + H2O =>
8 FeCO3 + 3 CH2(COOH)2 = 8 FeCOOH + 9 CO2 + 2 H2O
KIBaCl2 = BaIKCl2 =>
KIBaCl2 = BaIKCl2
NaI + Fe = NaFe + I =>
NaI + Fe = NaFe + I
SeO2 + H2Se = Se + H2O2 =>
SeO2 + H2Se = 2 Se + H2O2
SiH4 + Ar = SiAr + H2 =>
SiH4 + Ar = SiAr + 2 H2
K2[PdCl4] + (NH4)2S2O8 + KCN = K2[Pd(CN)6] + K2SO4 + NH4Cl + KCl =>
K2[PdCl4] + (NH4)2S2O8 + 6 KCN = K2[Pd(CN)6] + 2 K2SO4 + 2 NH4Cl + 2 KCl
LiOHH2O + H3BO3 = LiBO2 + H2O =>
LiOHH2O + H3BO3 = LiBO2 + 3 H2O
C2H7NO + H2O + CO2 = HO3 + C3H8NO =>
C2H7NO + H2O + CO2 = HO3 + C3H8NO
Ga(NO3)3 + Mg(NO3)2 + Cr(NO3)3 + CH6N4O = MgGa2O4Cr + H2O + CO2 + N2 =>
8 Ga(NO3)3 + 4 Mg(NO3)2 + 4 Cr(NO3)3 + 29 CH6N4O = 4 MgGa2O4Cr + 87 H2O + 29 CO2 + 80 N2
Fe3O4 + C + Al = Fe3C + Al2O3 =>
3 Fe3O4 + 3 C + 8 Al = 3 Fe3C + 4 Al2O3
Na2C2O4(s) + H2SO4(ac) + KMnO4(ac) = MnSO4(ac) + CO2(g) + Na2SO4(ac) + K2SO4(ac) + H2O(l) =>
5 Na2C2O4(s) + 8 H2SO4(ac) + 2 KMnO4(ac) = 2 MnSO4(ac) + 10 CO2(g) + 5 Na2SO4(ac) + K2SO4(ac) + 8 H2O(l)
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
CaO(s) + SO3(g) = CaSO4(s) =>
CaO(s) + SO3(g) = CaSO4(s)
H3PO2 + Cl2 + H2O = H3PO4 + HCl =>
H3PO2 + 2 Cl2 + 2 H2O = H3PO4 + 4 HCl
Cu(OH)2 + Na2S = Na(OH)2 + Cu2S =>
2 Cu(OH)2 + Na2S = 2 Na(OH)2 + Cu2S
CH4(H20)6 + CO2 = CH4 + CO2(H20)17 =>
17 CH4(H20)6 + 6 CO2 = 17 CH4 + 6 CO2(H20)17
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
KBr(aq) + MgSO4(aq) = MgBr2 + K2SO4 =>
2 KBr(aq) + MgSO4(aq) = MgBr2 + K2SO4
H2C6H6O6 + OH = C6H6O6 + H2O =>
H2C6H6O6 + 2 OH = C6H6O6 + 2 H2O
Al2(SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
Al2(SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
RbO + N2 = Rb3N + O2 =>
6 RbO + N2 = 2 Rb3N + 3 O2
Ca3(PO4)2 + SiO2 + C = CaSi03 + CO + P4 =>
2 Ca3(PO4)2 + 18 SiO2 + 52 C = 6 CaSi03 + 52 CO + P4
MgO + Na2CO3 = Na2O + MgCO3 =>
MgO + Na2CO3 = Na2O + MgCO3
K2CrO4 + K2S + H2SO4 = Cr2(SO4)3 + KHSO4 + H2O =>
8 K2CrO4 + 3 K2S + 31 H2SO4 = 4 Cr2(SO4)3 + 22 KHSO4 + 20 H2O
Ca(OH)2 + NH3 = Ca(NH2)2 + H2O =>
Ca(OH)2 + 2 NH3 = Ca(NH2)2 + 2 H2O
POBr3 + Ca(OH)2 = CaBr2 + Ca(H2PO4)2 + H2O =>
2 POBr3 + 4 Ca(OH)2 = 3 CaBr2 + Ca(H2PO4)2 + 2 H2O
H2C2O4 + Ce(SO4)2 = CO2 + H2SO4 + Ce2(SO4)3 =>
H2C2O4 + 2 Ce(SO4)2 = 2 CO2 + H2SO4 + Ce2(SO4)3
PbO2 = O2 + Pb =>
PbO2 = O2 + Pb
KMnO4 + KI + CH3COOH = CH3COOK + MnI2 + I2 + H2O =>
2 KMnO4 + 14 KI + 16 CH3COOH = 16 CH3COOK + 2 MnI2 + 5 I2 + 8 H2O
Fe + Ca = Ca2Fe =>
Fe + 2 Ca = Ca2Fe
Cl + O + H2O = HClO4 =>
2 Cl + 7 O + H2O = 2 HClO4
K4[Fe(CN)6] + O2 + CO2 + H2O = K3[Fe(CN)6] + KHCO3 =>
4 K4[Fe(CN)6] + O2 + 4 CO2 + 2 H2O = 4 K3[Fe(CN)6] + 4 KHCO3
Fe2 + Ca3O5 = O12Fe + Ca5 =>
25 Fe2 + 120 Ca3O5 = 50 O12Fe + 72 Ca5
HClO3 + KClO = KClO3 + HClO =>
HClO3 + KClO = KClO3 + HClO
C6H11OH + K2Cr2O7 + H2SO4 = CH3COH + Cr2(SO4)3 + K2SO4 + H2O =>
3 C6H11OH + 2 K2Cr2O7 + 8 H2SO4 = 9 CH3COH + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
H2O + SO2 + BrK = KS2O5 + BrSO3H4 =>
2 H2O + 3 SO2 + BrK = KS2O5 + BrSO3H4
P4 + N2O = N2 + P4O10 =>
P4 + 10 N2O = 10 N2 + P4O10
KClO3 = K + Cl2 + O2 =>
2 KClO3 = 2 K + Cl2 + 3 O2
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