Équations équilibrées la veille |
Cu2C2 + 16 HNO3 = 2 Cu(NO3)2 + 2 CO2 + 8 H2O + 12 NO2
O21 = O14 =>
2 O21 = 3 O14
Ag(s) + Pb(NO3)2 = Ag(NO3)2 + Pb =>
Ag(s) + Pb(NO3)2 = Ag(NO3)2 + Pb
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
As3S5 + HNO3 = H3AsO4 + H2SO4 + H2O + NO2 =>
As3S5 + 45 HNO3 = 3 H3AsO4 + 5 H2SO4 + 13 H2O + 45 NO2
Al(NO3)3*6H2O + Mg(NO3)2*9H2O + C4H6O6 = H2O + CO2 + N2 + MgAl2O6 =>
10 Al(NO3)3*6H2O + 5 Mg(NO3)2*9H2O + 18 C4H6O6 = 159 H2O + 72 CO2 + 20 N2 + 5 MgAl2O6
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
H{+} + IO3{-} + Fe{2+} = Fe{3+} + I2 + H2O =>
12 H{+} + 2 IO3{-} + 10 Fe{2+} = 10 Fe{3+} + I2 + 6 H2O
NaBr + HCl = NaCl + Br + H2 =>
2 NaBr + 2 HCl = 2 NaCl + 2 Br + H2
C10H16N5O13P3 + C10H13N4O9P + H3N = C10H14N5O7P + H4O7P2 + C10H14N5O8P =>
C10H16N5O13P3 + C10H13N4O9P + H3N = C10H14N5O7P + H4O7P2 + C10H14N5O8P
KBrO3 = KBr + O2 =>
2 KBrO3 = 2 KBr + 3 O2
SrBr2 + K2(SO4) = Sr(SO4) + KBr =>
SrBr2 + K2(SO4) = Sr(SO4) + 2 KBr
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cd + HNO2 = Cd(NO2)2 + H2 =>
Cd + 2 HNO2 = Cd(NO2)2 + H2
Sr(ClO3)2 = SrCl2 + O2 =>
Sr(ClO3)2 = SrCl2 + 3 O2
HCn + Sn(OH)3 = SnCn3 + H2O =>
3 HCn + Sn(OH)3 = SnCn3 + 3 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
ZnCu(NO3)2 = Zn(NO3)2Cu =>
ZnCu(NO3)2 = Zn(NO3)2Cu
CsOH + HNO3 = CsNO3 + H2O =>
CsOH + HNO3 = CsNO3 + H2O
Ba + Al1(NO3)3 = Al + Ba(NO3)2 =>
3 Ba + 2 Al1(NO3)3 = 2 Al + 3 Ba(NO3)2
silvernitrate + potassiumiodide = potassiumnitrate + silveriodide =>
AgNO3 + KI = KNO3 + AgI
Sr(ClO3)2 = SrCl2 + O2 =>
Sr(ClO3)2 = SrCl2 + 3 O2
MgNO3 + HNO3 = MgNO3HNO3 =>
MgNO3 + HNO3 = MgNO3HNO3
H2SO4 + Pb(OH)4 = H2O + Pb(SO4)2 =>
2 H2SO4 + Pb(OH)4 = 4 H2O + Pb(SO4)2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe(s)F2(g) = FeF2(s) =>
Fe(s)F2(g) = FeF2(s)
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
KMnO4 + FeO + HCl = MnCl2 + H2O + FeCl3 + KCl =>
KMnO4 + 5 FeO + 18 HCl = MnCl2 + 9 H2O + 5 FeCl3 + KCl
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
NH4Cl + HNO3 = NH4NO3 + HCl =>
NH4Cl + HNO3 = NH4NO3 + HCl
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
Na2Cr2O7 + H2SO4 + NaHSO3 = CrOHSO4 + Na2SO4 + H2O =>
2 Na2Cr2O7 + 3 H2SO4 + 6 NaHSO3 = 4 CrOHSO4 + 5 Na2SO4 + 4 H2O
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
LiOH + NH4NaCO3 = NaOH + Li + NH4CO3 =>
LiOH + NH4NaCO3 = NaOH + Li + NH4CO3
MgCl2 + Li = LiCl + Mg =>
MgCl2 + 2 Li = 2 LiCl + Mg
(NH4)2[Hg(SCN)4] + ZnSO4 = Zn[Hg(SCN)4] + (NH4)2SO4 =>
(NH4)2[Hg(SCN)4] + ZnSO4 = Zn[Hg(SCN)4] + (NH4)2SO4
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + Na2SO4 + H2O =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 3 Na2SO4 + 8 H2O
Na + Al = AlNa3 =>
3 Na + Al = AlNa3
CaOH2SiO3 = CaSiO3H2O =>
CaOH2SiO3 = CaSiO3H2O
CuOH2SO4 = CuSO4H2O =>
CuOH2SO4 = CuSO4H2O
C10H7OH + CH3OH = C10H7OCH3 + H2O =>
C10H7OH + CH3OH = C10H7OCH3 + H2O
Sb + H2O = Sb2O3 + H2 =>
2 Sb + 3 H2O = Sb2O3 + 3 H2
AlS + HNO3 = Al(NO3)3 + NO + S + H2O =>
AlS + 4 HNO3 = Al(NO3)3 + NO + S + 2 H2O
K3PO4 + CaCl2 = CaPO4 + K3Cl2 =>
K3PO4 + CaCl2 = CaPO4 + K3Cl2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuOH2 = CuH2O =>
CuOH2 = CuH2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
CdSO4(aq) + H2S(aq) = CdS(s) + H2SO4(aq) =>
CdSO4(aq) + H2S(aq) = CdS(s) + H2SO4(aq)
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