| Équations équilibrées la veille |
C2H6 + Br2 = C2H5Br + HBr
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
AgNO3 + Cu = Cu(NO3)2 + Ag =>
2 AgNO3 + Cu = Cu(NO3)2 + 2 Ag
KMnO4(s) + C3H5(OH)3(l) = K2CO3(s) + Mn2O3(s) + CO2(g) + H2O(l) =>
14 KMnO4(s) + 4 C3H5(OH)3(l) = 7 K2CO3(s) + 7 Mn2O3(s) + 5 CO2(g) + 16 H2O(l)
Na2HPO4 + KOH = K3PO4 + Na3PO4 + H2O =>
3 Na2HPO4 + 3 KOH = K3PO4 + 2 Na3PO4 + 3 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
Mg(CO3)2 = MgO2 + CO2 =>
Mg(CO3)2 = MgO2 + 2 CO2
Br2(g) + Na(s) = NaBr2(s) =>
Br2(g) + Na(s) = NaBr2(s)
CUO2 + H = CU + H2O =>
CUO2 + 4 H = CU + 2 H2O
FeCl3 + Na2SO3 + H2O = Fe(OH)3 + SO2 + NaCl =>
2 FeCl3 + 3 Na2SO3 + 3 H2O = 2 Fe(OH)3 + 3 SO2 + 6 NaCl
FeS + HBr = FeBr2 + H2S =>
FeS + 2 HBr = FeBr2 + H2S
Ca(OH)2 + K2O = CaO + KOH =>
Ca(OH)2 + K2O = CaO + 2 KOH
NH3 + P4 = H2 + P6N9H24 =>
18 NH3 + 3 P4 = 3 H2 + 2 P6N9H24
La(OH) + H1AtO2 = La(AtO2)H2O =>
La(OH) + H1AtO2 = La(AtO2)H2O
H2PtCl6 + NaBH4 = Pt + BH3 + NaCl + H2 =>
H2PtCl6 + 6 NaBH4 = Pt + 6 BH3 + 6 NaCl + 4 H2
AlSe = Al + Se =>
AlSe = Al + Se
Mg + Si + N = MgSi3N4 =>
Mg + 3 Si + 4 N = MgSi3N4
C7H16O = C7H14 + H2O =>
C7H16O = C7H14 + H2O
B + F = BF3 =>
B + 3 F = BF3
F2 + CuI = CuF + I2 =>
F2 + 2 CuI = 2 CuF + I2
KI + Zn = K + ZnI2 =>
2 KI + Zn = 2 K + ZnI2
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + MnSO4 + K2SO4 + H2O =>
10 FeSO4 + 2 KMnO4 + 8 H2SO4 = 5 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 8 H2O
Na2CrO4 + C2H5OH + H2SO4 = CH3CHO + H2O + Cr2(SO4)3 + Na2SO4 =>
2 Na2CrO4 + 3 C2H5OH + 5 H2SO4 = 3 CH3CHO + 8 H2O + Cr2(SO4)3 + 2 Na2SO4
KOH + H3PO4 = H2O + K3PO4 =>
3 KOH + H3PO4 = 3 H2O + K3PO4
C6H5OH + Br2 + H2O = C6H2BrOH + H3O{+} + Br{-} =>
C6H5OH + 2 Br2 + 3 H2O = C6H2BrOH + 3 H3O{+} + 3 Br{-}
P{-3} + Rb{+} = P1Rb3 =>
P{-3} + 3 Rb{+} = P1Rb3
MnS + H2O = MnO + H2S =>
MnS + H2O = MnO + H2S
C7H17 + O2 = CO2 + H2O =>
4 C7H17 + 45 O2 = 28 CO2 + 34 H2O
OH{-} + CH3COOH = CH3COO{-} + H2O =>
OH{-} + CH3COOH = CH3COO{-} + H2O
K2SO4 + KCl + HI = S + Cl2 + KI + H2O =>
K2SO4 + 6 KCl + 8 HI = S + 3 Cl2 + 8 KI + 4 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
NaI + NO2 = NaNO2 + I2 =>
2 NaI + 2 NO2 = 2 NaNO2 + I2
K2SO3 + H2O = K2O + H2SO3 =>
K2SO3 + H2O = K2O + H2SO3
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
K + HNO3 = NH4NO3 + H2O + KNO3 =>
8 K + 10 HNO3 = NH4NO3 + 3 H2O + 8 KNO3
S + NO3{-} = SO4{-2} + NO =>
S + 2 NO3{-} = SO4{-2} + 2 NO
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
H2NC2 + H2O = H8N4O4 + HC =>
4 H2NC2 + 4 H2O = H8N4O4 + 8 HC
C7H5N3O6(s) = N2(g) + H2(g) + CO(g) + C(s) =>
2 C7H5N3O6(s) = 3 N2(g) + 5 H2(g) + 12 CO(g) + 2 C(s)
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
KC + CaCl = KCl + CaC =>
KC + CaCl = KCl + CaC
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
PI6 = P + I2 =>
PI6 = P + 3 I2
Zn(NO3)2 + K3[Fe(CN)6] = Zn3[Fe(CN)6]2 + KNO3 =>
3 Zn(NO3)2 + 2 K3[Fe(CN)6] = Zn3[Fe(CN)6]2 + 6 KNO3
LeS + O2 = LeSO2 =>
LeS + O2 = LeSO2
Ca = Ca2{+} + e =>
2 Ca = Ca2{+} + e
W + Na2O2 = Na2WO4 + Na2O =>
W + 3 Na2O2 = Na2WO4 + 2 Na2O
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
MnSO4 + NH4OH = Mn(OH)2 + (NH4)2SO4 =>
MnSO4 + 2 NH4OH = Mn(OH)2 + (NH4)2SO4
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Équations équilibrées sur12/15/24
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