Équations équilibrées la veille |
8 K2CrO4 + 3 K2S + 20 H2SO4 = 4 Cr2(SO4)3 + 11 K2SO4 + 20 H2O
C6H10O5 + O2 = CO2 + H2O =>
C6H10O5 + 6 O2 = 6 CO2 + 5 H2O
As2O3 + KOH + KCIO3 = KAsO3 + KCI + H2O =>
3 As2O3 + 6 KOH + 2 KCIO3 = 6 KAsO3 + 2 KCI + 3 H2O
KH2S = KSH2 =>
KH2S = KSH2
PbS + PbO2 = PbO + SO2 =>
PbS + 3 PbO2 = 4 PbO + SO2
CuO + CO2 + H2O = Cu2(OH)2CO3 =>
2 CuO + CO2 + H2O = Cu2(OH)2CO3
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
CaCO3 + HBrO3 = Ca(BrO3)2 + H2O + CO2 =>
CaCO3 + 2 HBrO3 = Ca(BrO3)2 + H2O + CO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
NaHPO4KCl = NaClKHPO4 =>
NaHPO4KCl = NaClKHPO4
H2SO4 + KMnO4 + H2O2 = MnO4 + K2SO4 + H2O =>
H2SO4 + 2 KMnO4 + H2O2 = 2 MnO4 + K2SO4 + 2 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Al(OH)3 + H2O = Al(OH2)3 + OH =>
Al(OH)3 + 3 H2O = Al(OH2)3 + 3 OH
K + HBr = KH + Br =>
K + HBr = KH + Br
NCu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
NCu + 8 HNO3 = Cu(NO3)2 + 7 NO2 + 4 H2O
Na + MgCl2 = Mg + NaCl =>
2 Na + MgCl2 = Mg + 2 NaCl
ZnCl2 + H3PO4 = Zn3(PO4)2 + HCl =>
3 ZnCl2 + 2 H3PO4 = Zn3(PO4)2 + 6 HCl
AlC + H2O = Al(OH) + CH =>
AlC + H2O = Al(OH) + CH
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
K2CrO4 + K2S + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O =>
8 K2CrO4 + 3 K2S + 20 H2SO4 = 11 K2SO4 + 4 Cr2(SO4)3 + 20 H2O
HCOOH + Na2CO3 = H2O + CO2 + NaHCOO =>
2 HCOOH + Na2CO3 = H2O + CO2 + 2 NaHCOO
P + O2 = P4O10 =>
4 P + 5 O2 = P4O10
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
Ba + NaOH = Ba(OH) + Na =>
Ba + NaOH = Ba(OH) + Na
Ag2O = Ag + O2 =>
2 Ag2O = 4 Ag + O2
Mg(OH) + SiO2 = Si(OH) + MgO + H2O =>
3 Mg(OH) + SiO2 = Si(OH) + 3 MgO + H2O
C12H22CaO14 = CaO + C + CO2 + H2O =>
C12H22CaO14 = CaO + 11 C + CO2 + 11 H2O
Cr2O3 + NO3{-} + OH{-} = CrO4{-} + NO2{-} + H2O =>
Cr2O3 + 4 NO3{-} + 2 OH{-} = 2 CrO4{-} + 4 NO2{-} + H2O
C2H4 + H2O = C2H5OH =>
C2H4 + H2O = C2H5OH
Cu(NO3)2 + Na2(C2O4) = Cu(C2O4) + Na(NO3) =>
Cu(NO3)2 + Na2(C2O4) = Cu(C2O4) + 2 Na(NO3)
AlC + H2O = Al(OH) + CH =>
AlC + H2O = Al(OH) + CH
BaOH2 = Ba + H2O =>
BaOH2 = Ba + H2O
PbS + H2SO4 = PbSO4 + H2S =>
PbS + H2SO4 = PbSO4 + H2S
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H4ClNO3 + NaOH = C6H5NO4 + NaCl =>
C6H4ClNO3 + NaOH = C6H5NO4 + NaCl
ZnSO4Zn = ZnZnSO4 =>
ZnSO4Zn = ZnZnSO4
HClO2 = ClO2 + HCl + H2O =>
5 HClO2 = 4 ClO2 + HCl + 2 H2O
Fe + CuS = Fe2S3 + Cu =>
2 Fe + 3 CuS = Fe2S3 + 3 Cu
CH3COOCH3 + H2 = C2H5OH + CH3OH =>
CH3COOCH3 + 2 H2 = C2H5OH + CH3OH
N2 + H2 = NH6 =>
N2 + 6 H2 = 2 NH6
FeCl3 + HNO3 = Fe(NO3)3 + NO2 + Cl2 + H2O =>
2 FeCl3 + 12 HNO3 = 2 Fe(NO3)3 + 6 NO2 + 3 Cl2 + 6 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
C12H22CaO16 = CaO + C + CO2 + H2O =>
C12H22CaO16 = CaO + 10 C + 2 CO2 + 11 H2O
HI + Cl2 = HCl + I2 =>
2 HI + Cl2 = 2 HCl + I2
N2O5(g) = NO2(g) + O2(g) =>
2 N2O5(g) = 4 NO2(g) + O2(g)
P4 + KOH + H2O = PH3 + KH2PO3 =>
P4 + 2 KOH + 4 H2O = 2 PH3 + 2 KH2PO3
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
ClCH2CH2CH2CH2Cl + KOH = KCl + H2O + CH2CHCHCH2 =>
ClCH2CH2CH2CH2Cl + 2 KOH = 2 KCl + 2 H2O + CH2CHCHCH2
C2H2O4 + CH3OH + HNO3 = C5H9NO4 + H2O =>
2 C2H2O4 + 21 CH3OH + 5 HNO3 = 5 C5H9NO4 + 24 H2O
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