| Équations équilibrées la veille |
Pb(NO3)2NaOH = PbNa(NO3)2OH
Si + NaOH = H2O + Na2SiO =>
Si + 2 NaOH = H2O + Na2SiO
H2CO3 + P2O3 = P2(CO3)3 + H2O =>
3 H2CO3 + P2O3 = P2(CO3)3 + 3 H2O
Al2O3 + H2SeO4 = Al2(SeO4)3 + H2O =>
Al2O3 + 3 H2SeO4 = Al2(SeO4)3 + 3 H2O
C2H4O2 + Na2CO3 = NaC2H4O2 + CO2 + H2O =>
9 C2H4O2 + 4 Na2CO3 = 8 NaC2H4O2 + 6 CO2 + 2 H2O
ZnSO4 + Na2S = Na2SO4 + S + Zn =>
ZnSO4 + Na2S = Na2SO4 + S + Zn
Zn + BiCl3 = Zn3Cl2 + Bi =>
9 Zn + 2 BiCl3 = 3 Zn3Cl2 + 2 Bi
Br2 + H2O = HBrO + HBr =>
Br2 + H2O = HBrO + HBr
H2O + Fe = H + FeO3 =>
3 H2O + Fe = 6 H + FeO3
H2 + C = CH4 =>
2 H2 + C = CH4
KCIO3 + HBr = KCI + Br2 + H2O =>
KCIO3 + 6 HBr = KCI + 3 Br2 + 3 H2O
Na2CO3 + C2H4O2 = H2O + CO2 + Na =>
4 Na2CO3 + C2H4O2 = 2 H2O + 6 CO2 + 8 Na
RCH = CHR =>
RCH = CHR
H2SO4 + BaCl2 = BaSO4 + HCl =>
H2SO4 + BaCl2 = BaSO4 + 2 HCl
NaAlO2 + NaOH = Al(OH)3 + Na + O2 =>
NaAlO2 + 3 NaOH = Al(OH)3 + 4 Na + O2
Br2 + NaCrO2 + NaOH = H2O + Na2CrO4 + NaBr =>
3 Br2 + 2 NaCrO2 + 8 NaOH = 4 H2O + 2 Na2CrO4 + 6 NaBr
C2H4O2 + Na2CO3 = CH3COONa + CO2 + H2O =>
2 C2H4O2 + Na2CO3 = 2 CH3COONa + CO2 + H2O
AgNO3(aq) + NaCH3COO(aq) = AgCH3COO(s) + NaNO3(aq) =>
AgNO3(aq) + NaCH3COO(aq) = AgCH3COO(s) + NaNO3(aq)
S + NaF = Na + SF =>
S + NaF = Na + SF
CaSiO3 + HCl = CaCl2 + SiO2 + H2O =>
CaSiO3 + 2 HCl = CaCl2 + SiO2 + H2O
Al + NaOH3 + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH3 + 6 H2O = 2 NaAl(OH)4 + 5 H2
C9H20 + O2 = CO2 + H2O =>
C9H20 + 14 O2 = 9 CO2 + 10 H2O
HCl(aq) + H2C2O4(aq) + MnO2(s) = MnCl2(aq) + CO2(g) + H2O(l) =>
2 HCl(aq) + H2C2O4(aq) + MnO2(s) = MnCl2(aq) + 2 CO2(g) + 2 H2O(l)
(NH4)3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + NH4(NO3)(aq) =>
(NH4)3PO4(aq) + Al(NO3)3(aq) = AlPO4(s) + 3 NH4(NO3)(aq)
Na2CO3 + C2H4O2 = C2H3O2Na + H2O + CO2 =>
Na2CO3 + 2 C2H4O2 = 2 C2H3O2Na + H2O + CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeBr3 + NaOH + Br2 = Na2FeO4 + NaBr + H2O =>
2 FeBr3 + 16 NaOH + 3 Br2 = 2 Na2FeO4 + 12 NaBr + 8 H2O
BCl3 + H2 = B + HCl =>
2 BCl3 + 3 H2 = 2 B + 6 HCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na2CO3 + NaBr = Na + BrO3 + CO2 =>
3 Na2CO3 + NaBr = 7 Na + BrO3 + 3 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
ClO3 + As2S3 + OH{-} = AsO4{3-} + SO4{2-} + Cl{-} + H2O =>
4 ClO3 + As2S3 + 16 OH{-} = 2 AsO4{3-} + 3 SO4{2-} + 4 Cl{-} + 8 H2O
H18 = H2 =>
H18 = 9 H2
N2O5H2O = HNO3 =>
N2O5H2O = 2 HNO3
Mn3O4 + Cs = Cs2O3 + Mn =>
3 Mn3O4 + 8 Cs = 4 Cs2O3 + 9 Mn
Cu(OH)2 + HNO3 = Cu(NO3)2 + H2O =>
Cu(OH)2 + 2 HNO3 = Cu(NO3)2 + 2 H2O
CuSO4 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + K2SO4 =>
2 CuSO4 + K4(Fe(CN)6) = Cu2(Fe(CN)6) + 2 K2SO4
NaI + KOH = KI + NaOH =>
NaI + KOH = KI + NaOH
F2 + Zn = F{-} + Zn{2+} =>
F2 + Zn = 2 F{-} + Zn{2+}
Zn + I2 + H2O = Zn(OH)2 + HI =>
Zn + I2 + 2 H2O = Zn(OH)2 + 2 HI
P2O3 + H2Cr2O7 + H2O = H3PO4 + CrPO4 =>
3 P2O3 + 2 H2Cr2O7 + H2O = 2 H3PO4 + 4 CrPO4
Zn + I2 + H2O = HI + ZnO =>
Zn + I2 + H2O = 2 HI + ZnO
H2SO4 + HI = SO2 + I2 + H2O =>
H2SO4 + 2 HI = SO2 + I2 + 2 H2O
SO2 + Pb(NO3)2 = PbS + N2 + O2 =>
SO2 + Pb(NO3)2 = PbS + N2 + 4 O2
C2H5Br + K = C4H10 + KBr =>
2 C2H5Br + 2 K = C4H10 + 2 KBr
AgCN + potassium = potassiumcyanide + silver =>
AgCN + K = KCN + Ag
Zn + F2 = ZnF2 =>
Zn + F2 = ZnF2
ZnO + HNO2 = Zn(NO2)2 + H2O =>
ZnO + 2 HNO2 = Zn(NO2)2 + H2O
C5H8 + CrO3 + H2SO4 = C3H4O4 + H2O + Cr2(SO4)3 =>
9 C5H8 + 44 CrO3 + 66 H2SO4 = 15 C3H4O4 + 72 H2O + 22 Cr2(SO4)3
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Équations équilibrées sur11/15/24
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