| Équations équilibrées la veille |
H2SO4 + 2 NaBH4 = 4 H2 + Na2SO4 + B2H2
Fe(PO4)2 + NaSO3 = Fe(SO3)2 + NaPO4 =>
Fe(PO4)2 + 2 NaSO3 = Fe(SO3)2 + 2 NaPO4
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
NaFeO3 + NaI + HCl = NaCl + Fe + I2 + H2O =>
2 NaFeO3 + 10 NaI + 12 HCl = 12 NaCl + 2 Fe + 5 I2 + 6 H2O
Mg + H2O = HMg2 + OH =>
2 Mg + H2O = HMg2 + OH
PbO2 + MnSO4 + HNO3 = PbSO4 + Pb(NO3)2 + HMnO4 + H2O =>
5 PbO2 + 2 MnSO4 + 6 HNO3 = 2 PbSO4 + 3 Pb(NO3)2 + 2 HMnO4 + 2 H2O
Fe + NaNO3 + NaOH = Na2FeO4 + N2 + H2O =>
5 Fe + 6 NaNO3 + 4 NaOH = 5 Na2FeO4 + 3 N2 + 2 H2O
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
KNO3(aq) + Ba(OH)2(aq) = KOH(aq) + Ba(NO3)2(aq) =>
2 KNO3(aq) + Ba(OH)2(aq) = 2 KOH(aq) + Ba(NO3)2(aq)
Fe + H2SO4 = FeSO4 + H =>
Fe + H2SO4 = FeSO4 + 2 H
V2O5 + HCl = VOCl3 + H2O =>
V2O5 + 6 HCl = 2 VOCl3 + 3 H2O
Na2SiO3 + RbOH = Rb2SiO3 + NaOH =>
Na2SiO3 + 2 RbOH = Rb2SiO3 + 2 NaOH
NaOH + NCl = NaCl + NOH =>
NaOH + NCl = NaCl + NOH
NaOH + Ag2CO3 = Na2CO3 + AgOH =>
2 NaOH + Ag2CO3 = Na2CO3 + 2 AgOH
H2 + SO4 = H2SO4 =>
H2 + SO4 = H2SO4
Pb(NO3)2(aq) + H2S(g) = HNO3(aq) + PbS =>
Pb(NO3)2(aq) + H2S(g) = 2 HNO3(aq) + PbS
HAsO4 + AgNO3 = AgAsO4 + HNO3 =>
HAsO4 + AgNO3 = AgAsO4 + HNO3
Na2S + HBr = H2S + NaBr =>
Na2S + 2 HBr = H2S + 2 NaBr
SnO2 + Rb2SO4 = Rb2O + Sn(SO4)2 =>
SnO2 + 2 Rb2SO4 = 2 Rb2O + Sn(SO4)2
(NH3)2S + I2 = NH3I + S =>
(NH3)2S + I2 = 2 NH3I + S
Cu2O2 + NH4 = Cu + H2O + N =>
Cu2O2 + NH4 = 2 Cu + 2 H2O + N
Ba(OH)2 + CH3COOH = BaCOOH + CH3(OH)2 =>
Ba(OH)2 + CH3COOH = BaCOOH + CH3(OH)2
(CH2)6N4 + O2 = CO2 + H2O + N2 =>
(CH2)6N4 + 9 O2 = 6 CO2 + 6 H2O + 2 N2
Mn2O3 + H2O = Mn(OH)2 + OH =>
Mn2O3 + 3 H2O = 2 Mn(OH)2 + 2 OH
Fe + KOH = K + Fe(OH) =>
Fe + KOH = K + Fe(OH)
CH3CH2OH(g) + O2(g) = C2H3O2H(g) + H2O(g) =>
CH3CH2OH(g) + O2(g) = C2H3O2H(g) + H2O(g)
AuSe3 + H = Au + HSe =>
AuSe3 + 3 H = Au + 3 HSe
Sodium + water = NaHO + H2 =>
2 Na + 2 H2O = 2 NaHO + H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
ZnCl2 + NH4OH + H2O = Zn2(OH)3Cl*2H2O + NH4Cl =>
2 ZnCl2 + 3 NH4OH + 2 H2O = Zn2(OH)3Cl*2H2O + 3 NH4Cl
C12H7NCl2O2 + O2 = NO2 + Cl2 + CO2 + H2O =>
4 C12H7NCl2O2 + 55 O2 = 4 NO2 + 4 Cl2 + 48 CO2 + 14 H2O
Ni(OH)2(s) + H2SO4(aq) = NiSO4(s) + H2O(l) =>
Ni(OH)2(s) + H2SO4(aq) = NiSO4(s) + 2 H2O(l)
WO3 = O2 + WO =>
WO3 = O2 + WO
Na2CO3 + Pb(NO3) = PbCO3 + Na2(NO3) =>
Na2CO3 + Pb(NO3) = PbCO3 + Na2(NO3)
H4C + N2Cl4 = CCl + N2 + H2 =>
4 H4C + N2Cl4 = 4 CCl + N2 + 8 H2
KHCO3 = CO2 + H2O + K2CO3 =>
2 KHCO3 = CO2 + H2O + K2CO3
Al(s) + ZnSO4(aq) = Al(SO4)3(aq) + Zn(s) =>
Al(s) + 3 ZnSO4(aq) = Al(SO4)3(aq) + 3 Zn(s)
Pb(OH)2 + OH{-} = PbO2{2-} + H2O =>
Pb(OH)2 + 2 OH{-} = PbO2{2-} + 2 H2O
K2CrO4 + KI + H2O = I2 + KCrO2 + KOH =>
2 K2CrO4 + 6 KI + 4 H2O = 3 I2 + 2 KCrO2 + 8 KOH
CuSO4 + Na2PO4 = Cu(PO4) + Na2SO4 =>
CuSO4 + Na2PO4 = Cu(PO4) + Na2SO4
C7H16 + KMnO4 + H2O = C2H4O2 + MnO2 + KOH =>
6 C7H16 + 32 KMnO4 + 10 H2O = 21 C2H4O2 + 32 MnO2 + 32 KOH
UO2 + NaOH + H2O2 = Na2U2O7 + H2O =>
2 UO2 + 2 NaOH + 2 H2O2 = Na2U2O7 + 3 H2O
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
BaCl2 + K3PO4 = KCl + Ba3(PO4)2 =>
3 BaCl2 + 2 K3PO4 = 6 KCl + Ba3(PO4)2
(Cr2O7){-}– + H{+} + H2S = Cr3{+} + H2O + S =>
6(Cr2O7){-}– + 10 H{+} + 37 H2S = 4 Cr3{+} + 42 H2O + 37 S
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
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