| Équations équilibrées la veille |
6 FeCl2 + K2Cr2O7 + 14 HCl = 6 FeCl3 + 2 KCl + 2 CrCl3 + 7 H2O
CaCO3 + HNO3 = Ca(NO3)2 + CO2 + H2O =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + CO2 + H2O
H{+} + MnO4{-} + X2O4{-2} = Mn{+2} + XO2 + H2O =>
16 H{+} + 2 MnO4{-} + 5 X2O4{-2} = 2 Mn{+2} + 10 XO2 + 8 H2O
H + NaOH = HNaOH =>
H + NaOH = HNaOH
FeCl3 + AgCl = Cl3 + FeAg2 =>
3 FeCl3 + 6 AgCl = 5 Cl3 + 3 FeAg2
CH3COONa + HNO3 = CH3COOH + NaNO3 =>
CH3COONa + HNO3 = CH3COOH + NaNO3
MnSO4 + CaCO3 = MnCO3 + CaSO4 =>
MnSO4 + CaCO3 = MnCO3 + CaSO4
CO(g) + H2(g) = H2O(g) + CH4(g) =>
CO(g) + 3 H2(g) = H2O(g) + CH4(g)
H(C2H3O2)NaOH = H2ONa(C2H3O2) =>
H(C2H3O2)NaOH = H2ONa(C2H3O2)
Al(OH)3(s) + HNO3 = Al(NO3)3(aq) + H2O =>
Al(OH)3(s) + 3 HNO3 = Al(NO3)3(aq) + 3 H2O
Cs + N2 = Cs3N =>
6 Cs + N2 = 2 Cs3N
Na + Li2O = Na2O + Li =>
2 Na + Li2O = Na2O + 2 Li
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
H3PO4(aq) + Ba(OH)2(aq) = Ba3(PO4)2(s) + H2O(l) =>
2 H3PO4(aq) + 3 Ba(OH)2(aq) = Ba3(PO4)2(s) + 6 H2O(l)
Ca(OH)2(s) + HCl(aq) = CaCl2(aq) + H2O(l) =>
Ca(OH)2(s) + 2 HCl(aq) = CaCl2(aq) + 2 H2O(l)
H2(g)I2(s) = HI(g) =>
H2(g)I2(s) = 2 HI(g)
NH3(g) + HCl(g) = NH4Cl(s) =>
NH3(g) + HCl(g) = NH4Cl(s)
H2 + HCl = ClH3 =>
H2 + HCl = ClH3
H2SO4(l) + CaCO3(s) = CaSO4 + H2O + CO2 =>
H2SO4(l) + CaCO3(s) = CaSO4 + H2O + CO2
CO + Fe3O4 = CO2 + Fe =>
4 CO + Fe3O4 = 4 CO2 + 3 Fe
H2N2O = H2ON2 =>
H2N2O = H2ON2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2MnO4 + Na2SO3 + H2SO4 = MnSO4 + Na2SO4 + K2SO4 + H2O =>
K2MnO4 + 2 Na2SO3 + 2 H2SO4 = MnSO4 + 2 Na2SO4 + K2SO4 + 2 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
CO(g) + H2(g) = CH3OH(g) =>
CO(g) + 2 H2(g) = CH3OH(g)
CHN + O = CO2 + H2O + N2 =>
2 CHN + 5 O = 2 CO2 + H2O + N2
NaBr + H2SO4 = Br2 + SO2 + H2O + Na2SO4 =>
2 NaBr + 2 H2SO4 = Br2 + SO2 + 2 H2O + Na2SO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CO(g) + H2(g) = H2O(g) + CH4(g) =>
CO(g) + 3 H2(g) = H2O(g) + CH4(g)
Zn + H2 = ZnH2 =>
Zn + H2 = ZnH2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2CO3 + NaOH + KOH = NaKCO3 + H2O =>
H2CO3 + NaOH + KOH = NaKCO3 + 2 H2O
HC2H3O2(aq) + Ba(OH)2(aq) = H2O(l) + Ba(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ba(OH)2(aq) = 2 H2O(l) + Ba(C2H3O2)2(aq)
CO + Fe3O4 = CO2 + Fe =>
4 CO + Fe3O4 = 4 CO2 + 3 Fe
Ba + H3PO4 = Ba3(PO4)2 + H2 =>
3 Ba + 2 H3PO4 = Ba3(PO4)2 + 3 H2
C6H5CHO + Ag(NH3)2OH = C6H5COOH + Ag + NH3 + H2O =>
C6H5CHO + 2 Ag(NH3)2OH = C6H5COOH + 2 Ag + 4 NH3 + H2O
H2O + H2C2O4 = H2CO3 + H =>
2 H2O + H2C2O4 = 2 H2CO3 + 2 H
H3PO3 + Na = NaPO3 + H =>
H3PO3 + Na = NaPO3 + 3 H
HC2H3O2(aq) + Ba(OH)2(aq) = H2O(l) + Ba(C2H3O2)2(aq) =>
2 HC2H3O2(aq) + Ba(OH)2(aq) = 2 H2O(l) + Ba(C2H3O2)2(aq)
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
CuSO4 + Na2CO3 = CuCO3 + Na2SO4 =>
CuSO4 + Na2CO3 = CuCO3 + Na2SO4
SiC + Cl = SiCl4 + C =>
SiC + 4 Cl = SiCl4 + C
CO(g) + H2(g) = CH3OH(g) =>
CO(g) + 2 H2(g) = CH3OH(g)
Br + NaOH = NaBr + NaOBr + H2O =>
2 Br + 2 NaOH = NaBr + NaOBr + H2O
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + HBr(g) =>
CaBr2(aq) + H2SO4(aq) = CaSO4(s) + 2 HBr(g)
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Na(s) + O2(g) = Na2O =>
4 Na(s) + O2(g) = 2 Na2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
Fe(NO3)3 + Na2CO3 = Fe2(CO3)3 + NaNO3 =>
2 Fe(NO3)3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaNO3
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