| Équations équilibrées la veille |
Be(OH)2 + 2 HCl = Be(Cl)2 + 2 H2O
H2SO4 + Ag2S = Ag2(SO4) + H2S =>
H2SO4 + Ag2S = Ag2(SO4) + H2S
CH3OH + MgSO4 = MgO + SO2 + CO + H2O =>
CH3OH + 2 MgSO4 = 2 MgO + 2 SO2 + CO + 2 H2O
C22 + H + O + N65 = C3H2O4N6 =>
195 C22 + 2860 H + 5720 O + 132 N65 = 1430 C3H2O4N6
MnO4{-} + OH{-} + SO3{2+} = MnO4{-2} + SO4{+2} + H2O =>
2 MnO4{-} + 2 OH{-} + SO3{2+} = 2 MnO4{-2} + SO4{+2} + H2O
IO3 + HI = I2 + H2O =>
2 IO3 + 12 HI = 7 I2 + 6 H2O
CaCl2 + LiBr = LiCl + CaBr2 =>
CaCl2 + 2 LiBr = 2 LiCl + CaBr2
(NH4)2CO3 + NaOH = NH3 + CO3 + Na + H2O =>
(NH4)2CO3 + 2 NaOH = 2 NH3 + CO3 + 2 Na + 2 H2O
TlO = Tl + O2 =>
2 TlO = 2 Tl + O2
FeS2 + HNO3 + HCl = NO + FeCl3 + H2SO4 + H2O =>
FeS2 + 5 HNO3 + 3 HCl = 5 NO + FeCl3 + 2 H2SO4 + 2 H2O
O3 + NaBr + H2SO4 = Na2SO4 + Br2 + H2O =>
O3 + 6 NaBr + 3 H2SO4 = 3 Na2SO4 + 3 Br2 + 3 H2O
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
WO3 + Mg(OH)2 = MgWO4 + H2O =>
WO3 + Mg(OH)2 = MgWO4 + H2O
CH4(s) + H2O(l) = H2(g) + CO =>
CH4(s) + H2O(l) = 3 H2(g) + CO
Co + Al3{+} = Co2{+} + Al =>
2 Co + Al3{+} = Co2{+} + 3 Al
K3N + MgBr2 = Mg3N2 + KBr =>
2 K3N + 3 MgBr2 = Mg3N2 + 6 KBr
CaCO3(S) + C = CO(g) + CaC2(S) =>
CaCO3(S) + 4 C = 3 CO(g) + CaC2(S)
HClO3(aq) + CaCO3(aq) = Ca(ClO3)2(aq) + H2O(l) + CO2(g) =>
2 HClO3(aq) + CaCO3(aq) = Ca(ClO3)2(aq) + H2O(l) + CO2(g)
KSCN + Ni(NH3)2 = NiSCN + NH3 + K =>
KSCN + Ni(NH3)2 = NiSCN + 2 NH3 + K
C4H6O5 + H2O = H3O + C4H5O5 =>
C4H6O5 + H2O = H3O + C4H5O5
AgC2H3O2(aq) + Sr12(aq) = Sr(C2H3O2)2(aq) + Ag1(s) =>
24 AgC2H3O2(aq) + Sr12(aq) = 12 Sr(C2H3O2)2(aq) + 24 Ag1(s)
Li + HNO3 = Li(NO3)2 + NO + H2O =>
3 Li + 8 HNO3 = 3 Li(NO3)2 + 2 NO + 4 H2O
P4 + C12 = PC13 =>
3 P4 + 13 C12 = 12 PC13
Mg(NO3)2 + H2O = Mg(OH)2 + NH3 + O2 =>
Mg(NO3)2 + 4 H2O = Mg(OH)2 + 2 NH3 + 4 O2
HN03 + H2O = H + NO3 =>
HN03 + 9 H2O = 19 H + 3 NO3
ZnI2 + Pb(CH3COO)2 = PbI2 + Zn(CH3COO)2 =>
ZnI2 + Pb(CH3COO)2 = PbI2 + Zn(CH3COO)2
Mg3P2 + HNO3 = H3PO4 + Mg(NO3)2 + NO2 + H2O =>
Mg3P2 + 22 HNO3 = 2 H3PO4 + 3 Mg(NO3)2 + 16 NO2 + 8 H2O
MgBr2 + (NH4)2(CO3) = Mg(CO3) + Br(NH4) =>
MgBr2 + (NH4)2(CO3) = Mg(CO3) + 2 Br(NH4)
SiF4 + H2O = HF + SiO2 =>
SiF4 + 2 H2O = 4 HF + SiO2
(C10H22) + O2 = H2O + CO2 =>
2(C10H22) + 31 O2 = 22 H2O + 20 CO2
Ca(NO3)2(aq) + K2SO4(aq) = KNO3(aq) + CaSO4(s) =>
Ca(NO3)2(aq) + K2SO4(aq) = 2 KNO3(aq) + CaSO4(s)
Na2CO3*H2O = Na2CO3H2O =>
Na2CO3*H2O = Na2CO3H2O
Bi2O3 + NaOH + ClONa = BiO3Na + ClNa + H2O =>
Bi2O3 + 2 NaOH + 2 ClONa = 2 BiO3Na + 2 ClNa + H2O
PbS + O2 + H2O = Pb2{+} + SO42{-} + H{+} =>
8 PbS + 167 O2 + 2 H2O = 4 Pb2{+} + 8 SO42{-} + 4 H{+}
C8H18(g) + O2(g) = CO2(g) + H2O(g) =>
2 C8H18(g) + 25 O2(g) = 16 CO2(g) + 18 H2O(g)
Be + HCl = BeHCl =>
Be + HCl = BeHCl
PtNO3 + K = Pt + KNO3 =>
PtNO3 + K = Pt + KNO3
C41H80 + O2 = CO2 + H2O =>
C41H80 + 61 O2 = 41 CO2 + 40 H2O
Ca(CH3COO)2 + Al(OH)3 = Ca(OH)2 + Al(CH3COO)3 =>
3 Ca(CH3COO)2 + 2 Al(OH)3 = 3 Ca(OH)2 + 2 Al(CH3COO)3
Cu(SO4) + Na3(PO4) = Na2(SO4) + Cu3(PO4)2 =>
3 Cu(SO4) + 2 Na3(PO4) = 3 Na2(SO4) + Cu3(PO4)2
Ca(NO3)2 + NaCN = Ca(CN)2 + NaNO3 =>
Ca(NO3)2 + 2 NaCN = Ca(CN)2 + 2 NaNO3
CuH10O9S + NaOH = CuO + Na2SO4 + H2O =>
CuH10O9S + 2 NaOH = CuO + Na2SO4 + 6 H2O
PtO2 + H2O = H2Pt + O2 =>
2 PtO2 + 2 H2O = 2 H2Pt + 3 O2
KHCO3 + Zn = ZnHCO3 + K =>
KHCO3 + Zn = ZnHCO3 + K
H2CO3 + K(OH) = K + (CO3)2 + H2O =>
2 H2CO3 + 4 K(OH) = 4 K + (CO3)2 + 4 H2O
C8H18 = C + C3H8 =>
4 C8H18 = 5 C + 9 C3H8
S2 + OH = SO4 + H2O =>
S2 + 16 OH = 2 SO4 + 8 H2O
Cu(CN)2 + Na2S = CuS + NaCN =>
Cu(CN)2 + Na2S = CuS + 2 NaCN
CH2CHCH3 + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO4 + H2O =>
2 CH2CHCH3 + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 K2SO4 + 8 H2O
FeCrO + K2CO3 + O2 = Fe2O3 + K2CrO4 + CO2 =>
4 FeCrO + 4 K2CO3 + 7 O2 = 2 Fe2O3 + 4 K2CrO4 + 4 CO2
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