| Équations équilibrées la veille |
143 H2S + 2 H{+} + 2 Cr2O72{-}� = 4 Cr + 143 S + 144 H2O
H2O3 + N2H4 = HNO3 + H2O =>
7 H2O3 + 2 N2H4 = 4 HNO3 + 9 H2O
Ca(NO3)2 = CaO + N2 + O2 =>
2 Ca(NO3)2 = 2 CaO + 2 N2 + 5 O2
FeS + HNO3 = NO + H2SO4 + Fe(NO3) + H2O =>
3 FeS + 10 HNO3 = 7 NO + 3 H2SO4 + 3 Fe(NO3) + 2 H2O
Na2(S2O3) + AgBr = NaBr + Na3[Ag(S2O3)2] =>
2 Na2(S2O3) + AgBr = NaBr + Na3[Ag(S2O3)2]
Cr2(SO4) + Br + KOH = K2CrO4 + KBr + K2SO4 + H2O =>
Cr2(SO4) + 10 Br + 16 KOH = 2 K2CrO4 + 10 KBr + K2SO4 + 8 H2O
Cr(OH)2 + H3Po4 = Cr3(Po4)2 + H2O =>
3 Cr(OH)2 + 2 H3Po4 = Cr3(Po4)2 + 6 H2O
HC2H4O2 + Ba(OH)2 = BaCH3CO2 + H2O =>
HC2H4O2 + Ba(OH)2 = BaCH3CO2 + 2 H2O
Na2CO3(aq) + Pb(NO3)2(aq) = Na(NO3) + PbCO3 =>
Na2CO3(aq) + Pb(NO3)2(aq) = 2 Na(NO3) + PbCO3
Na2O + HCI = H2O + NaCI =>
Na2O + 2 HCI = H2O + 2 NaCI
H2SO4 + H2O = SO4 + H3O =>
H2SO4 + 2 H2O = SO4 + 2 H3O
ClO4 + H2O = ClO3 + H2O2 =>
ClO4 + H2O = ClO3 + H2O2
CoCl2 + Ba(OH)3 = Co(OH)3 + BaCl2 =>
CoCl2 + Ba(OH)3 = Co(OH)3 + BaCl2
Cr(OH)3 + HNO3 = Cr(NO3)3 + H2O =>
Cr(OH)3 + 3 HNO3 = Cr(NO3)3 + 3 H2O
Al2(SO4)3 + NaH2PO4 + NaOH = AlPO4 + Na2SO4 + H2O =>
Al2(SO4)3 + 2 NaH2PO4 + 4 NaOH = 2 AlPO4 + 3 Na2SO4 + 4 H2O
Mn2O3 + Fe2O3 = MnFe2O4 + O2 =>
2 Mn2O3 + 4 Fe2O3 = 4 MnFe2O4 + O2
Fe(NO3)3(aq) + Na2CO3(aq) + H2O = Fe(OH)3 + NaNO3 + CO2 =>
2 Fe(NO3)3(aq) + 3 Na2CO3(aq) + 3 H2O = 2 Fe(OH)3 + 6 NaNO3 + 3 CO2
CH3OOH + CH3CH2H = CH3COOH2CH3 + H2O =>
5 CH3OOH + 2 CH3CH2H = 3 CH3COOH2CH3 + 4 H2O
Al + Hg{-2} = Hg + Al{-2} =>
Al + Hg{-2} = Hg + Al{-2}
KNO3 = O + KN =>
KNO3 = 3 O + KN
CH3COOCH3 + KOH = CH3COOK + CH3OK + H2O =>
CH3COOCH3 + 2 KOH = CH3COOK + CH3OK + H2O
COCuO = CO2Cu =>
COCuO = CO2Cu
MgCO2 + O2 = CO2 + MgO =>
2 MgCO2 + O2 = 2 CO2 + 2 MgO
ZrO(NO3)2 + HCl + Zn = ZrOCl + Zn(NO3)2 + H2 =>
2 ZrO(NO3)2 + 2 HCl + 2 Zn = 2 ZrOCl + 2 Zn(NO3)2 + H2
C85H12O + O2 = CO2 + H2O =>
2 C85H12O + 175 O2 = 170 CO2 + 12 H2O
K4Fe(CN)6 + H2SO4H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
KNO3 + CaSO4 = K2SO4 + Ca(NO3)2 =>
2 KNO3 + CaSO4 = K2SO4 + Ca(NO3)2
Al2O3 + CaCl2 = AlCl3 + CaO =>
Al2O3 + 3 CaCl2 = 2 AlCl3 + 3 CaO
C6H8O6 + FeCl2 + H2O + C2H5OH = CH2Cl2 + FeO =>
C6H8O6 + 8 FeCl2 + H2O + C2H5OH = 8 CH2Cl2 + 8 FeO
SF6(g) = S8 + F2 =>
8 SF6(g) = S8 + 24 F2
copper(ii)chloride + sodiumhydroxide = copper(ii)hydroxide + sodiumchloride =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
Sc(NO3)3 = Sc(NO2)3 + O3 =>
Sc(NO3)3 = Sc(NO2)3 + O3
C9H20 = C4H10 + C5H10 =>
C9H20 = C4H10 + C5H10
SiO2 + CaO = CaSiO3 =>
SiO2 + CaO = CaSiO3
PbO2 + H2SO4 = PbSO4 + SO4 + H2O =>
PbO2 + 2 H2SO4 = PbSO4 + SO4 + 2 H2O
H2S + Mg(OH)2 = Mg2S2 + H2O =>
2 H2S + 2 Mg(OH)2 = Mg2S2 + 4 H2O
NH3 + CrO3 = N + Cr2O3 + H2O =>
2 NH3 + 2 CrO3 = 2 N + Cr2O3 + 3 H2O
H2SO4 + MnCl3 = Mn2(SO4)3 + HCl =>
3 H2SO4 + 2 MnCl3 = Mn2(SO4)3 + 6 HCl
Cr(OH)5 = Cr2 + O5 + H2O =>
2 Cr(OH)5 = Cr2 + O5 + 5 H2O
CaCO3 + P2O5 + H2O = CaHPO4 + CO2 =>
2 CaCO3 + P2O5 + H2O = 2 CaHPO4 + 2 CO2
K3[Fe(CN)6] + KCNS = K4[Fe(CN)6] + SCN =>
K3[Fe(CN)6] + KCNS = K4[Fe(CN)6] + SCN
Fe + AgCH3COO = Ag + Fe(CH3COO)2 =>
Fe + 2 AgCH3COO = 2 Ag + Fe(CH3COO)2
(NH4)2 + O2 = (NO3) + H2O =>
(NH4)2 + 5 O2 = 2(NO3) + 4 H2O
Al + H2O + NO3{-} = AlO2{-} + H{+} + NH3 =>
8 Al + 7 H2O + 3 NO3{-} = 8 AlO2{-} + 5 H{+} + 3 NH3
TiAl6V4 + HF + HNO3 = H2TiF6 + NO2 + H2O + V + Al =>
TiAl6V4 + 6 HF + 4 HNO3 = H2TiF6 + 4 NO2 + 4 H2O + 4 V + 6 Al
N2H4 + O = NO2 + H2O2 =>
N2H4 + 8 O = 2 NO2 + 2 H2O2
Fe + C + N2 = FeCN =>
2 Fe + 2 C + N2 = 2 FeCN
Cu2O(cr) + H2(g) = Cu(cr) + H2O(l) =>
Cu2O(cr) + H2(g) = 2 Cu(cr) + H2O(l)
Na2B4O7 + Co(NO3)2 = CoB4O7 + NaNO3 =>
Na2B4O7 + Co(NO3)2 = CoB4O7 + 2 NaNO3
RbNO3 + BeF2 = RbF2 + NO3Be =>
RbNO3 + BeF2 = RbF2 + NO3Be
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