| Équations équilibrées la veille |
4 NaBr + Cr = CrBr4 + 4 Na
Ba + FeI = BaI2 + Fe =>
Ba + 2 FeI = BaI2 + 2 Fe
PbCo3 + Mg = MgCo3 + Pb =>
PbCo3 + Mg = MgCo3 + Pb
NH3 + SO2 = NO + S + H2O =>
4 NH3 + 5 SO2 = 4 NO + 5 S + 6 H2O
C18H3O16 + O2 = CO2 + H2O =>
4 C18H3O16 + 43 O2 = 72 CO2 + 6 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
Ag + [Cu(NH3)4]Cl2 = [Ag(NH3)2]Cl + Cu =>
2 Ag + [Cu(NH3)4]Cl2 = 2[Ag(NH3)2]Cl + Cu
AgSO + HCl = AgCl + HSO =>
AgSO + HCl = AgCl + HSO
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
C2H3OH + O2 = CO2 + H2O =>
2 C2H3OH + 5 O2 = 4 CO2 + 4 H2O
Zr(ClO2)4 + LiPO4 = Zr(PO4)4 + LiClO2 =>
Zr(ClO2)4 + 4 LiPO4 = Zr(PO4)4 + 4 LiClO2
HI + Cu = CuI2 + H =>
2 HI + Cu = CuI2 + 2 H
FeBr3 + AgNo3 = Fe(No3)3 + AgBr =>
FeBr3 + 3 AgNo3 = Fe(No3)3 + 3 AgBr
NaO + FeO = Fe2O3 + Na =>
NaO + 2 FeO = Fe2O3 + Na
NaHSO3 + H2O2 + NaOH = Na2SO4 + H2O =>
NaHSO3 + H2O2 + NaOH = Na2SO4 + 2 H2O
Al + AgNo3 = Al(No3) + Ag =>
Al + AgNo3 = Al(No3) + Ag
Ca(OH)2 + Ba = Ba(OH)2 + Ca =>
Ca(OH)2 + Ba = Ba(OH)2 + Ca
CuCl2 + K4FeCN6 = CuCl + KCl + K3FeCN6 =>
CuCl2 + K4FeCN6 = CuCl + KCl + K3FeCN6
AgNO3 + K3Fe(CN)6 = Ag(CN)6 + K3FeNO3 =>
AgNO3 + K3Fe(CN)6 = Ag(CN)6 + K3FeNO3
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
KBr + I2 = KI + Br =>
2 KBr + I2 = 2 KI + 2 Br
Fe + NaOH = Fe(NaOH)3 =>
Fe + 3 NaOH = Fe(NaOH)3
Al + HNO3 = Al(NO3)3 + NH4(NO)3 + H2O =>
6 Al + 22 HNO3 = 6 Al(NO3)3 + NH4(NO)3 + 9 H2O
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
CaCO3 + NaCl + H2O = Na2CO3 + CaCl2*H2O =>
CaCO3 + 2 NaCl + H2O = Na2CO3 + CaCl2*H2O
BaO + SO3 = BaS + O4 =>
BaO + SO3 = BaS + O4
NH2CH2COOH + KOH = H2NCH2COOK + H2O =>
NH2CH2COOH + KOH = H2NCH2COOK + H2O
K + S = K1S2 =>
K + 2 S = K1S2
Hg + NH3 = Hg(NH3)2 =>
Hg + 2 NH3 = Hg(NH3)2
RbF + BeSO4{2-} = RbSO4{2-} + BeF =>
RbF + BeSO4{2-} = RbSO4{2-} + BeF
Ca + P = Ca3P =>
3 Ca + P = Ca3P
C + H + O2 = C6H12O6 =>
6 C + 12 H + 3 O2 = C6H12O6
KMnO4 + HCl = MnCl + KCl2 + Cl + H2O =>
KMnO4 + 8 HCl = MnCl + KCl2 + 5 Cl + 4 H2O
CuSO4 + Ba(NO3)2 = BaSO4 + Cu + NO3 =>
CuSO4 + Ba(NO3)2 = BaSO4 + Cu + 2 NO3
SiO2 + CaCO3 = CaSiO3 + CO2 =>
SiO2 + CaCO3 = CaSiO3 + CO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
KMnO4 + Ba(NO2)2 + HCl = MnCl2 + K2MnO4 + H2O + Ba(NO3)2 =>
4 KMnO4 + 3 Ba(NO2)2 + 4 HCl = 2 MnCl2 + 2 K2MnO4 + 2 H2O + 3 Ba(NO3)2
CH2 + H2 = CH3 =>
2 CH2 + H2 = 2 CH3
P + N2O = N2 + P2O5(howcalculate) =>
2 P + 5 N2O = 5 N2 + P2O5(howcalculate)
Ba(s) + F2(g) = BaF2(s) =>
Ba(s) + F2(g) = BaF2(s)
NiCl2 + NaOH = Ni(OH)2 + NaCl =>
NiCl2 + 2 NaOH = Ni(OH)2 + 2 NaCl
HNO3 + HI = NO2 + HIO3 + H2O =>
6 HNO3 + HI = 6 NO2 + HIO3 + 3 H2O
Mn + O2 = MnO2 =>
Mn + O2 = MnO2
Li3(PO4) + Ba(OH)2 = Ba3(PO4)2 + LiOH =>
2 Li3(PO4) + 3 Ba(OH)2 = Ba3(PO4)2 + 6 LiOH
BaCl2 + K2Cr2O7 + CH3COONa + H2O = BaCrO4 + NaCl + KCl + CH3COOH =>
2 BaCl2 + K2Cr2O7 + 2 CH3COONa + H2O = 2 BaCrO4 + 2 NaCl + 2 KCl + 2 CH3COOH
C6H5OH + SO4 = CO2 + H2O + S =>
2 C6H5OH + 7 SO4 = 12 CO2 + 6 H2O + 7 S
NaHCO3 + HC6H8O7 = NaC6H7O7 + CO2 + H2O =>
19 NaHCO3 + 18 HC6H8O7 = 19 NaC6H7O7 + 13 CO2 + 24 H2O
C6H4ClC2H5 + KMnO4 + H2SO4 = C6H4ClCOOH + CO2 + K2SO4 + H2O + MnSO4 =>
5 C6H4ClC2H5 + 12 KMnO4 + 18 H2SO4 = 5 C6H4ClCOOH + 5 CO2 + 6 K2SO4 + 28 H2O + 12 MnSO4
NO = N2 + O2 =>
2 NO = N2 + O2
Zn + H2 = ZnH2 =>
Zn + H2 = ZnH2
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