| Équations équilibrées la veille |
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
BaCl2 + CuSO4 = CuCl + Ba(SO4)2 =>
BaCl2 + 2 CuSO4 = 2 CuCl + Ba(SO4)2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH40(l) + O2(g) = CO2(g) + H2O =>
CH40(l) + 11 O2(g) = CO2(g) + 20 H2O
HBr(aq) + LiOH(aq) = HOH(s) + LiBr(aq) =>
HBr(aq) + LiOH(aq) = HOH(s) + LiBr(aq)
C8H12S2 + O2 = CO2 + H2O + SO2 =>
C8H12S2 + 13 O2 = 8 CO2 + 6 H2O + 2 SO2
NiCl2Cu = CuCl2Ni =>
NiCl2Cu = CuCl2Ni
Mn(NO3)2 + PbO2 + H2SO4 = PbSO4 + HNO3 + HMnO4 + H2O =>
2 Mn(NO3)2 + 5 PbO2 + 5 H2SO4 = 5 PbSO4 + 4 HNO3 + 2 HMnO4 + 2 H2O
NaI + BaCl2 = BaI2 + NaCl =>
2 NaI + BaCl2 = BaI2 + 2 NaCl
B2O3 + H2O = H3BO3 =>
B2O3 + 3 H2O = 2 H3BO3
K + HNO3 = KNO3 + NH3 + H2O =>
8 K + 9 HNO3 = 8 KNO3 + NH3 + 3 H2O
Si + KOH = K2SiO2 + H2 =>
Si + 2 KOH = K2SiO2 + H2
C6H8O3 + O2 = C6H6O3 + H2O =>
2 C6H8O3 + O2 = 2 C6H6O3 + 2 H2O
K2Cr2O7 + H2SO4 + H2S = Cr2(SO4)3 + H2O + K2SO4 =>
4 K2Cr2O7 + 13 H2SO4 + 3 H2S = 4 Cr2(SO4)3 + 16 H2O + 4 K2SO4
NaI + BaCl2 = BaI2 + NaCl =>
2 NaI + BaCl2 = BaI2 + 2 NaCl
KMnO4 + SO2 + KOH = MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 SO2 + 4 KOH = 2 MnSO4 + 3 K2SO4 + 2 H2O
S + O2 = SO2 =>
S + O2 = SO2
C17H35COOCH3(aq) + O2(g) = CO2(g) + H2O(l) =>
2 C17H35COOCH3(aq) + 55 O2(g) = 38 CO2(g) + 38 H2O(l)
NaI + BaCl2 = BaI2 + NaCl =>
2 NaI + BaCl2 = BaI2 + 2 NaCl
In2(SO4)3 + Ag(NO3) = In(NO3)3 + Ag2(SO4) =>
In2(SO4)3 + 6 Ag(NO3) = 2 In(NO3)3 + 3 Ag2(SO4)
Zn(NO3)2 + KI = ZnI2 + K(NO3) =>
Zn(NO3)2 + 2 KI = ZnI2 + 2 K(NO3)
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Br + O2 = BrO =>
2 Br + O2 = 2 BrO
CoCl2 + NH3 + H2O2 + NH4Cl = [Co(NH3)6]Cl3 + H2O =>
2 CoCl2 + 10 NH3 + H2O2 + 2 NH4Cl = 2[Co(NH3)6]Cl3 + 2 H2O
CuCl2(aq) + KI(aq) = CuI(s) + I2(s) + KCl(aq) =>
2 CuCl2(aq) + 4 KI(aq) = 2 CuI(s) + I2(s) + 4 KCl(aq)
NaI + BaCl2 = BaI2 + NaCl =>
2 NaI + BaCl2 = BaI2 + 2 NaCl
C2H4Br2 + KOH = C2H2 + KBr + H2O =>
C2H4Br2 + 2 KOH = C2H2 + 2 KBr + 2 H2O
CH3COOHCuSO4 = HSO4CuCH3COO =>
CH3COOHCuSO4 = HSO4CuCH3COO
ZnS + H2SO4 = Zn(SO4) + H2S =>
ZnS + H2SO4 = Zn(SO4) + H2S
Al + H2S = H2 + Al2S5 =>
2 Al + 5 H2S = 5 H2 + Al2S5
Cu(NO2)2 + NH4CN = Cu(CN)2 + NH4NO2 =>
Cu(NO2)2 + 2 NH4CN = Cu(CN)2 + 2 NH4NO2
Silvernitrate + hydrochloricacid = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
KBr + H2O = HBr + K2O =>
2 KBr + H2O = 2 HBr + K2O
P4 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H3PO4 + H2O =>
3 P4 + 10 K2Cr2O7 + 40 H2SO4 = 10 K2SO4 + 10 Cr2(SO4)3 + 12 H3PO4 + 22 H2O
C6H5Cl + CH3Cl + Na = NaCl + C6H5CH3 =>
C6H5Cl + CH3Cl + 2 Na = 2 NaCl + C6H5CH3
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
CaO + S = CaS + CaSO4 =>
4 CaO + 4 S = 3 CaS + CaSO4
K2Cr2O7 + H2SO4 = H2CrO4 + K2SO4CrO3 =>
K2Cr2O7 + H2SO4 = H2CrO4 + K2SO4CrO3
Si + H2SO4 = H2SiO3 + H2O + SO2 =>
Si + 2 H2SO4 = H2SiO3 + H2O + 2 SO2
Cr2O7 + FeSO4 + H2 = Cr2SO4 + Fe2O3 + H2O =>
2 Cr2O7 + 2 FeSO4 + 11 H2 = 2 Cr2SO4 + Fe2O3 + 11 H2O
Cl{-} + H3O{+} + Cr2O7{2-} = H2O + Cl2 + Cr{3+} =>
6 Cl{-} + 14 H3O{+} + Cr2O7{2-} = 21 H2O + 3 Cl2 + 2 Cr{3+}
CeC2 + H2O = Ce(OH)4 + C2H4 =>
CeC2 + 4 H2O = Ce(OH)4 + C2H4
H3BO3 + NaOH = H2O + Na2B4O7 =>
4 H3BO3 + 2 NaOH = 7 H2O + Na2B4O7
H3PO3 + Ba(OH)2 = Ba2(HPO3)2 + H2O =>
2 H3PO3 + 2 Ba(OH)2 = Ba2(HPO3)2 + 4 H2O
Mg + ClH = MgCl2 + H =>
Mg + 2 ClH = MgCl2 + 2 H
Mg(OH)2 + HCl = H2O + MgCl + OH =>
Mg(OH)2 + HCl = H2O + MgCl + OH
Si + H2SO4 = SiSO4 + H2 =>
Si + H2SO4 = SiSO4 + H2
PBO + NaOH + H2O = Na2PB(OH)4 =>
PBO + 2 NaOH + H2O = Na2PB(OH)4
H2SO4 + HNO3 = HNO3SO3 + H2O =>
H2SO4 + HNO3 = HNO3SO3 + H2O
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O2 =>
2 K2Cr2O7 + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 8 H2O + 3 O2
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