| Équations équilibrées la veille |
Br2 + 2 HF = 2 BrF + H2
CrI3 + Cl2 + NaOH = Na2CrO4 + NaIO4 + NaCl + H2O =>
2 CrI3 + 27 Cl2 + 64 NaOH = 2 Na2CrO4 + 6 NaIO4 + 54 NaCl + 32 H2O
CH3COOAg = CH3COO{-} + Ag{+} =>
CH3COOAg = CH3COO{-} + Ag{+}
NaCHO3 + CH3COOH = CO2 + H2O + C2H3NaO2 =>
NaCHO3 + CH3COOH = CO2 + H2O + C2H3NaO2
Na2SO3 + HClO3 = NaClO3 + H2SO3 =>
Na2SO3 + 2 HClO3 = 2 NaClO3 + H2SO3
NaBH4 + AgNO3 + H2O = Na[B(OH)4] + Ag + HNO3 =>
NaBH4 + 8 AgNO3 + 4 H2O = Na[B(OH)4] + 8 Ag + 8 HNO3
Cr + F2 = CrF6 =>
Cr + 3 F2 = CrF6
P2O3 + HNO3 = P2O5 + NO2 + H2O =>
P2O3 + 4 HNO3 = P2O5 + 4 NO2 + 2 H2O
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
Ca(NO3)2 + NaH2PO4 = Ca(H2PO4)2 + NaNO3 =>
Ca(NO3)2 + 2 NaH2PO4 = Ca(H2PO4)2 + 2 NaNO3
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O(l) =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O(l)
H2S2O3 = H2O + SO2 + S =>
H2S2O3 = H2O + SO2 + S
CaCl2(aq) + KBr(aq) = CaBr2 + KCl =>
CaCl2(aq) + 2 KBr(aq) = CaBr2 + 2 KCl
Cu(OH)4 = CuO2 + H2O =>
Cu(OH)4 = CuO2 + 2 H2O
S + N2 = SN =>
2 S + N2 = 2 SN
KMnO4 + C6H6 + H2SO4 = H2C2O4 + MnSO4 + K2SO4 + H2O =>
24 KMnO4 + 5 C6H6 + 36 H2SO4 = 15 H2C2O4 + 24 MnSO4 + 12 K2SO4 + 36 H2O
XCl2(aq) + AgNO3(aq) = AgCl(s) + X(NO3)2(aq) =>
XCl2(aq) + 2 AgNO3(aq) = 2 AgCl(s) + X(NO3)2(aq)
Z + S = ZS =>
Z + S = ZS
HCOH + Cu(OH)2 = Cu2O + CO2 + H2O =>
HCOH + 4 Cu(OH)2 = 2 Cu2O + CO2 + 5 H2O
CSO + H2O = CSO2 + H2 =>
CSO + H2O = CSO2 + H2
(NH4)2CrO4 = CrO3 + NH3 + H2O =>
(NH4)2CrO4 = CrO3 + 2 NH3 + H2O
Zn(No3)2 + KOH = Zn(OH)2 + KNo3 =>
Zn(No3)2 + 2 KOH = Zn(OH)2 + 2 KNo3
NO + K2Cr2O7 + H2SO4 = HNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
2 NO + K2Cr2O7 + 4 H2SO4 = 2 HNO3 + K2SO4 + Cr2(SO4)3 + 3 H2O
FeS2 + H2O + O = FeSO4 + H2SO4 =>
FeS2 + H2O + 7 O = FeSO4 + H2SO4
NaVO3 + H2SO4 + Zn = VSO4 + ZnSO4 + H2O + Na2SO4 =>
2 NaVO3 + 6 H2SO4 + 3 Zn = 2 VSO4 + 3 ZnSO4 + 6 H2O + Na2SO4
C6H5CHO + KOH = C6H5COOH + C6H5CH2OH + K =>
3 C6H5CHO + 2 KOH = 2 C6H5COOH + C6H5CH2OH + 2 K
AgCl(s) + NH3(aq) = Ag(NH3)2{+}(aq) + Cl{-}(aq) =>
AgCl(s) + 2 NH3(aq) = Ag(NH3)2{+}(aq) + Cl{-}(aq)
C6H5ONa + CO2 = NaOC6H4COONa + C6H5OH =>
2 C6H5ONa + CO2 = NaOC6H4COONa + C6H5OH
Na{+} + Cu = Na + Cu{2+} =>
2 Na{+} + Cu = 2 Na + Cu{2+}
Fe(CN)2 = Fe + C + N2 =>
Fe(CN)2 = Fe + 2 C + N2
Mg(OH)2(s) + H3PO4(aq) = Mg3(PO4)2(s) + H2O(l) =>
3 Mg(OH)2(s) + 2 H3PO4(aq) = Mg3(PO4)2(s) + 6 H2O(l)
SiO2 + Mn = Si + MnO =>
SiO2 + 2 Mn = Si + 2 MnO
C2H5OH + CrO3 + H2SO4 = C3H6O + H2O + Cr2(SO4)3 =>
9 C2H5OH + 4 CrO3 + 6 H2SO4 = 6 C3H6O + 15 H2O + 2 Cr2(SO4)3
As + O = AsO =>
As + O = AsO
B + H2 = B2H6 =>
2 B + 3 H2 = B2H6
O13 = O =>
O13 = 13 O
NaNH2 + N2O = NaN3 + H2O =>
NaNH2 + N2O = NaN3 + H2O
Mg + LiNO3 = Mg(NO3)2 + Li =>
Mg + 2 LiNO3 = Mg(NO3)2 + 2 Li
PH4I + HNO3 = H3PO4 + NO + H2O + I2 =>
2 PH4I + 6 HNO3 = 2 H3PO4 + 6 NO + 4 H2O + I2
CaO2 + NO2 = CaN2O6 =>
CaO2 + 2 NO2 = CaN2O6
BaCl2 + HNO3 = Ba(NO3)2 + HCl =>
BaCl2 + 2 HNO3 = Ba(NO3)2 + 2 HCl
CuC2O4*H2O + (NH4)2C2O4*H2O = (NH4)2[Cu(C2O4)2]*2H2O =>
CuC2O4*H2O + (NH4)2C2O4*H2O = (NH4)2[Cu(C2O4)2]*2H2O
NaI + Pb(SO4)2 = Na4Pb + I2SO4 =>
4 NaI + Pb(SO4)2 = Na4Pb + 2 I2SO4
K2CO3 + NH4NO3 = KNO3 + CO2 + NH3 + H2O =>
K2CO3 + 2 NH4NO3 = 2 KNO3 + CO2 + 2 NH3 + H2O
C11H15O3N + O2 = HNO3 + CO2 + H2O =>
2 C11H15O3N + 29 O2 = 2 HNO3 + 22 CO2 + 14 H2O
CaBr2 + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2 + 2 AgNO3 = 2 AgBr + Ca(NO3)2
NaCl + H2SO4 + O2 = Na2SO4 + H2O + Cl =>
4 NaCl + 2 H2SO4 + O2 = 2 Na2SO4 + 2 H2O + 4 Cl
P2O3 + Fe(NO3)2 = P2O5 + Fe + NO2 =>
P2O3 + Fe(NO3)2 = P2O5 + Fe + 2 NO2
CH3CH2COOH + NaOH = NaCH3CH2COO + H2O =>
CH3CH2COOH + NaOH = NaCH3CH2COO + H2O
Zn(OH)2 + Na2O = Na2ZnO2 + H2O =>
Zn(OH)2 + Na2O = Na2ZnO2 + H2O
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