| Équations équilibrées la veille |
Na2CrO4 + 2 AgNO3 = Ag2CrO4 + 2 NaNO3
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
Fe2(SO4)3 + K2O = K2SO4 + Fe2O3 =>
Fe2(SO4)3 + 3 K2O = 3 K2SO4 + Fe2O3
MnO4{-} + H2O + Cu{+} = MnO2 + Cu{2+} + OH{-} =>
MnO4{-} + 2 H2O + 3 Cu{+} = MnO2 + 3 Cu{2+} + 4 OH{-}
C8H16 = C4H8 =>
C8H16 = 2 C4H8
Cu + NH3 + H2O2 = [Cu(NH3)4](OH)2 =>
Cu + 4 NH3 + H2O2 = [Cu(NH3)4](OH)2
CrO4 + PH3 = (Cr(OH)4) + P =>
3 CrO4 + 4 PH3 = 3(Cr(OH)4) + 4 P
CoBr3 + CaSO4 = CaBr2 + Co2 + Co(SO4)3 =>
4 CoBr3 + 6 CaSO4 = 6 CaBr2 + Co2 + 2 Co(SO4)3
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
(NH4)2SO3 + Ca(NO3)2 = (NH4)(NO3) + CaSO3 =>
(NH4)2SO3 + Ca(NO3)2 = 2(NH4)(NO3) + CaSO3
PbSO4 + NH4(CH3COO)2 = Pb(CH3COO)2 + NH4(SO4) =>
PbSO4 + NH4(CH3COO)2 = Pb(CH3COO)2 + NH4(SO4)
Al2O3 + HI = AlI3 + H2O =>
Al2O3 + 6 HI = 2 AlI3 + 3 H2O
CH3CH2CH2SH + MnO4{-} + H3O{+} = CH3CH2CH2OH + H2O + Mn{2+} + SO4{2-} =>
5 CH3CH2CH2SH + 8 MnO4{-} + 14 H3O{+} = 5 CH3CH2CH2OH + 21 H2O + 8 Mn{2+} + 5 SO4{2-}
PB(NO3)2 + H2SO4 = PBSO4 + H2(NO3)2 =>
PB(NO3)2 + H2SO4 = PBSO4 + H2(NO3)2
Sn2{+} + Fe3{+} = Sn4{+} + Fe2{+} =>
2 Sn2{+} + 2 Fe3{+} = Sn4{+} + 3 Fe2{+}
I2(s) + O2(g) = I2O2(s) =>
I2(s) + O2(g) = I2O2(s)
Calciumhydroxide + hydrogenfluoride = water + calciumfluoride =>
Ca(OH)2 + 2 HF = 2 H2O + CaF2
PbCl2 + HCl = PbCl4{2-} + H{+} =>
PbCl2 + 2 HCl = PbCl4{2-} + 2 H{+}
NH3 + O2O2 = N2O3 + H2O =>
4 NH3 + 3 O2O2 = 2 N2O3 + 6 H2O
(NH4)2MoO4 + KBr = NH4Br + K2MoO4 =>
(NH4)2MoO4 + 2 KBr = 2 NH4Br + K2MoO4
SnCl2 + K2Cr2O7 + H2SO4 = SnSO4 + SnCl4 + H2O + Cr2(SO4)3 + K2SO4 =>
6 SnCl2 + K2Cr2O7 + 7 H2SO4 = 3 SnSO4 + 3 SnCl4 + 7 H2O + Cr2(SO4)3 + K2SO4
Al + HNO3(konc) = Al(NO3)3 + H =>
Al + 3 HNO3(konc) = Al(NO3)3 + 3 H
K + MgSO4 = K2SO4 + Mg =>
2 K + MgSO4 = K2SO4 + Mg
CuSO4*5H2O + NH3*H2O = Cu(OH)2 + (NH4)2SO4 + H2O =>
CuSO4*5H2O + 2 NH3*H2O = Cu(OH)2 + (NH4)2SO4 + 5 H2O
PO4{-}3 + H2SO4{-}2 = SO4{-}2 + H2PO4{-}3 =>
PO4{-}3 + H2SO4{-}2 = SO4{-}2 + H2PO4{-}3
Al + Pb3O4 = Al2O3 + Pb =>
8 Al + 3 Pb3O4 = 4 Al2O3 + 9 Pb
HF + NaC6H5COO = NaF + HC6H5COO =>
HF + NaC6H5COO = NaF + HC6H5COO
BaHCO3 = Ba + HCO3 =>
BaHCO3 = Ba + HCO3
SnS2 + HNO3 = Sn(NO3)4 + H2SO4 + NO + H2O =>
3 SnS2 + 28 HNO3 = 3 Sn(NO3)4 + 6 H2SO4 + 16 NO + 8 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C + Cl2 = C4Cl7 =>
8 C + 7 Cl2 = 2 C4Cl7
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuO2 + Zn = Cu + ZnO =>
CuO2 + 2 Zn = Cu + 2 ZnO
NaCl + HNO3 + PbO2 = Pb(NO3)2 + Cl2 + H2O + NaNO3 =>
2 NaCl + 4 HNO3 + PbO2 = Pb(NO3)2 + Cl2 + 2 H2O + 2 NaNO3
SiH4 + KOH + H2O = K2SiO3 + H2 =>
SiH4 + 2 KOH + H2O = K2SiO3 + 4 H2
Si + BaO = SiO2 + Ba =>
Si + 2 BaO = SiO2 + 2 Ba
H{+} + Cr2O72{-} + Cl{-} = Cr{3+} + Cl2 + H2O =>
288 H{+} + 2 Cr2O72{-} + 274 Cl{-} = 4 Cr{3+} + 137 Cl2 + 144 H2O
CH3OHCH3CH2CH2COOH = CH3CH2CH2COOCH3H2O =>
CH3OHCH3CH2CH2COOH = CH3CH2CH2COOCH3H2O
Na2SO3*7H2O + H2SO4 = H2O + SO2 + Na2SO4 =>
Na2SO3*7H2O + H2SO4 = 8 H2O + SO2 + Na2SO4
Fe + Na2Co3 = FeCo3 + Na =>
Fe + Na2Co3 = FeCo3 + 2 Na
C12H21O9 + H2O = C2H6O + CO2 =>
4 C12H21O9 + 9 H2O = 17 C2H6O + 14 CO2
C240H90O4NS + O2 = CO2 + H2O + SO2 + NO =>
C240H90O4NS + 262 O2 = 240 CO2 + 45 H2O + SO2 + NO
C2H6O + Mn3FeO6 = H2O + CO2 + Mn + Fe =>
C2H6O + Mn3FeO6 = 3 H2O + 2 CO2 + 3 Mn + Fe
Fe + CO3 = Fe2O3 + CO2 =>
2 Fe + 3 CO3 = Fe2O3 + 3 CO2
CaSiO3 + P2O5 + H2O = CaHPO4*2H2O + H2SiO3 =>
2 CaSiO3 + P2O5 + 7 H2O = 2 CaHPO4*2H2O + 2 H2SiO3
Fe + CuSO4*5H2O = Fe*5H2O + CuSO4 =>
Fe + CuSO4*5H2O = Fe*5H2O + CuSO4
K(NO3) = K(NO2) + O =>
K(NO3) = K(NO2) + O
KI + HCl + K3[Fe(Cn6)3] = KCl + I2 + H4[Fe(Cn6)3] =>
2 KI + 8 HCl + 2 K3[Fe(Cn6)3] = 8 KCl + I2 + 2 H4[Fe(Cn6)3]
Si(OH)4(s) = H2O(l) + SiO2(s) =>
Si(OH)4(s) = 2 H2O(l) + SiO2(s)
H2O + Cr2O7{-2} + Cl{-} = Cr{+3} + Cl2 + OH{-} =>
7 H2O + Cr2O7{-2} + 6 Cl{-} = 2 Cr{+3} + 3 Cl2 + 14 OH{-}
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