| Équations équilibrées la veille |
H2 + I2 = 2 HI
MnO4K + HCl = ClK + Cl2Mn + Cl2 + H2O =>
2 MnO4K + 16 HCl = 2 ClK + 2 Cl2Mn + 5 Cl2 + 8 H2O
Ironoxide + carbonmonoxide = Fe + carbondioxide =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Cr{+2} + P{-3} = Cr3P2 =>
3 Cr{+2} + 2 P{-3} = Cr3P2
PbS + HBr + HNO3 = PbBr4 + NO + S + H2O =>
3 PbS + 12 HBr + 4 HNO3 = 3 PbBr4 + 4 NO + 3 S + 8 H2O
Cr2O7{2-} + HCl + H{+} = Cr{3+} + Cl2 + H2O =>
Cr2O7{2-} + 6 HCl + 8 H{+} = 2 Cr{3+} + 3 Cl2 + 7 H2O
SiH(N(CH3)2)3 + O2 = SiO2 + H2O + NO2 + CO2 =>
4 SiH(N(CH3)2)3 + 59 O2 = 4 SiO2 + 38 H2O + 12 NO2 + 24 CO2
H3SbO4 + HCl = H3SbO3 + Cl2 + H2O =>
H3SbO4 + 2 HCl = H3SbO3 + Cl2 + H2O
H2S + CU(OH)2 = CUS + H2O =>
H2S + CU(OH)2 = CUS + 2 H2O
Fe + NH4 = FeNH4 =>
Fe + NH4 = FeNH4
(Ca(NO3)2)(NH4NO3)10(H2O) + H2SO4 = HNO3 + H2O + CaSO4 + (NH4)2SO4 =>
(Ca(NO3)2)(NH4NO3)10(H2O) + 6 H2SO4 = 12 HNO3 + H2O + CaSO4 + 5(NH4)2SO4
K3PO4(aq) + Al(NO3)3(aq) = K3(NO3)3 + AlPO4 =>
K3PO4(aq) + Al(NO3)3(aq) = K3(NO3)3 + AlPO4
NaF + HNO3 = NaNO2 + HF + O2 =>
2 NaF + 2 HNO3 = 2 NaNO2 + 2 HF + O2
HCl + Cu = H + CuCl =>
HCl + Cu = H + CuCl
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ag2O + Cu = Cu2O + Ag =>
Ag2O + 2 Cu = Cu2O + 2 Ag
Co(NO3)2 + Na2CO3 = CoCO3 + NaNO3 =>
Co(NO3)2 + Na2CO3 = CoCO3 + 2 NaNO3
Cu + HNO3 + H2SO4 = Cu(SO4)2 + NO + H2O =>
3 Cu + 4 HNO3 + 6 H2SO4 = 3 Cu(SO4)2 + 4 NO + 8 H2O
Cl + SiO2 = ClSiO2 =>
Cl + SiO2 = ClSiO2
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
NO + P = N2 + P2O5 =>
10 NO + 4 P = 5 N2 + 2 P2O5
NH3 + I2 = NI3 + H2 =>
2 NH3 + 3 I2 = 2 NI3 + 3 H2
MnO4{-} + I{-} + H2O = MnO2 + I + OH{-} =>
MnO4{-} + 3 I{-} + 2 H2O = MnO2 + 3 I + 4 OH{-}
HCl + Cd(OH)2 = H2O + CdCl2 =>
2 HCl + Cd(OH)2 = 2 H2O + CdCl2
ZnCl2 + Pb(NO3)2 = ZnCl2Pb(NO3)2 =>
ZnCl2 + Pb(NO3)2 = ZnCl2Pb(NO3)2
CH2CHCH2CH3 + KMnO4 + H2O = CH2OHCH2OHCH2CH3 + MnO2 + KOH =>
3 CH2CHCH2CH3 + KMnO4 + 5 H2O = 3 CH2OHCH2OHCH2CH3 + MnO2 + KOH
Cr + Mo{3+} = Mo + Cr{2+} =>
3 Cr + 2 Mo{3+} = 2 Mo + 3 Cr{2+}
H3C6H5O7 + NaOH = Na3C6H5O7 + H2O =>
H3C6H5O7 + 3 NaOH = Na3C6H5O7 + 3 H2O
CO2 + H2O = O2 + C4H8O =>
8 CO2 + 8 H2O = 11 O2 + 2 C4H8O
nitrogendioxide + water + oxygen = Nitricacid =>
4 NO2 + 2 H2O + O2 = 4 HNO3
CaSiO3 + H2 = CaSi + H2O =>
CaSiO3 + 3 H2 = CaSi + 3 H2O
NaHCO3(aq) + H(aq) = Na(aq) + CO2(g) + H2O(l) =>
NaHCO3(aq) + H(aq) = Na(aq) + CO2(g) + H2O(l)
NaCl + HNo3 = NaNo3 + HCl =>
NaCl + HNo3 = NaNo3 + HCl
SO2 + NaOH = Na + SO3 + H2O =>
SO2 + 2 NaOH = 2 Na + SO3 + H2O
Mg2(s) + CO2(g) = MgO(s) + C(s) =>
Mg2(s) + CO2(g) = 2 MgO(s) + C(s)
Al2O3 + NH3 = AlN + H2O =>
Al2O3 + 2 NH3 = 2 AlN + 3 H2O
CsH + H2O = Cs2O + H3 =>
6 CsH + 3 H2O = 3 Cs2O + 4 H3
C2H4Cl2 + KCN = C2H4(CN)2 + KCl =>
C2H4Cl2 + 2 KCN = C2H4(CN)2 + 2 KCl
HOCl + H2SO4 + KI = I2 + HCl + K2SO4 + H2O =>
HOCl + H2SO4 + 2 KI = I2 + HCl + K2SO4 + H2O
CuOH + HMnO4 = CuMnO4 + H2O =>
CuOH + HMnO4 = CuMnO4 + H2O
Fe2O3(s) + H2 = Fe(s) + H2O(g) =>
Fe2O3(s) + 3 H2 = 2 Fe(s) + 3 H2O(g)
CH3CHCH2 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
10 CH3CHCH2 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 18 H2O + 12 MnSO4 + 6 K2SO4
LiPF6 + H2O = HF + PF5 + LiOH =>
LiPF6 + H2O = HF + PF5 + LiOH
Cl2 + FeN = FeCl3 + N2 =>
3 Cl2 + 2 FeN = 2 FeCl3 + N2
Co(NO3)2 + Fe(NO3)3 + C6H12O6 = CoFe2O4 + CO2 + H2O + N2 =>
3 Co(NO3)2 + 6 Fe(NO3)3 + 5 C6H12O6 = 3 CoFe2O4 + 30 CO2 + 30 H2O + 12 N2
KHSO4 + NaOH = Na2SO4 + K2SO4 + H2O =>
2 KHSO4 + 2 NaOH = Na2SO4 + K2SO4 + 2 H2O
I2(g) + HNO3(aq) = HIO3(aq) + NO2(g) + H2(g) =>
I2(g) + 6 HNO3(aq) = 2 HIO3(aq) + 6 NO2(g) + 2 H2(g)
Y2O3 + Al2O3 + Nd2O3 = Y297Nd3Al500O1200 =>
297 Y2O3 + 500 Al2O3 + 3 Nd2O3 = 2 Y297Nd3Al500O1200
C28H7O2 + O3 = CO2 + H2O =>
6 C28H7O2 + 115 O3 = 168 CO2 + 21 H2O
NH2CH3CHCOONa + O2 = CO2 + H2O + Na2CO3 + N2 =>
4 NH2CH3CHCOONa + 15 O2 = 10 CO2 + 12 H2O + 2 Na2CO3 + 2 N2
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