| Équations équilibrées la veille |
Sn + 40 HNO3 = Sn(NO3)32 + 4 NH4NO3 + 12 H2O
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
HNO3 + Fe = H2O + NH4NO3 + Fe(NO3)2 =>
10 HNO3 + 4 Fe = 3 H2O + NH4NO3 + 4 Fe(NO3)2
CoCl2(aq) + CuSO4(aq) = CoSO4(aq) + CuCl2(s) =>
CoCl2(aq) + CuSO4(aq) = CoSO4(aq) + CuCl2(s)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cr2(SO4)3 + Cl2 + KOH = K2CrO4 + KCl + K2SO4 + H2O =>
Cr2(SO4)3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 6 KCl + 3 K2SO4 + 8 H2O
Li(s) + ZnCl2(aq) = LiCl + Zn(s) =>
2 Li(s) + ZnCl2(aq) = 2 LiCl + Zn(s)
Fe(OH)2 + H3PO4 = Fe + (PO4)2 + H2O =>
3 Fe(OH)2 + 2 H3PO4 = 3 Fe + (PO4)2 + 6 H2O
Al + NiSO2 = Al2O3 + Ni + S =>
4 Al + 3 NiSO2 = 2 Al2O3 + 3 Ni + 3 S
H3PO4 + KOH = H2O + K3PO4 =>
H3PO4 + 3 KOH = 3 H2O + K3PO4
Fe(SO4) + NO = FeNOSO4 =>
Fe(SO4) + NO = FeNOSO4
Mn2O3 + Hg + CN{-} + H2O = Mn(CN)6{4-} + Hg(CN)2 + OH{-} =>
Mn2O3 + Hg + 14 CN{-} + 3 H2O = 2 Mn(CN)6{4-} + Hg(CN)2 + 6 OH{-}
Na2Co3 + Ca(No3)2 = CaCo3 + NaNo3 =>
Na2Co3 + Ca(No3)2 = CaCo3 + 2 NaNo3
B + O3 = B3O =>
9 B + O3 = 3 B3O
Au + CN{-} + H2O2 = [Au(CN)2]{-} + OH{-} =>
2 Au + 4 CN{-} + H2O2 = 2[Au(CN)2]{-} + 2 OH{-}
Cu(OH)2 + HCOOH = Cu(HCOO)2 + H2O =>
Cu(OH)2 + 2 HCOOH = Cu(HCOO)2 + 2 H2O
Y2 + H2O = HY + O2 =>
2 Y2 + 2 H2O = 4 HY + O2
CaOH(aq) + HBr2(aq) = CaBr2(aq) + H2O(l) =>
CaOH(aq) + HBr2(aq) = CaBr2(aq) + H2O(l)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Na2CO3 + HCI = NaCI + H2O + CO2 =>
Na2CO3 + 2 HCI = 2 NaCI + H2O + CO2
V2O5 + CaS = CaO + V2S5 =>
V2O5 + 5 CaS = 5 CaO + V2S5
NaH + H2O = NaOH + H2 =>
NaH + H2O = NaOH + H2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al + NiSO4 = Al2O3 + Ni + S =>
8 Al + 3 NiSO4 = 4 Al2O3 + 3 Ni + 3 S
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NaSO2 + O2 = NaSO4 =>
NaSO2 + O2 = NaSO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
HCl + potassiumcarbonate = carbondioxide + potassiumchloride + water =>
2 HCl + K2CO3 = CO2 + 2 KCl + H2O
Fe3O4 + O2 = Fe2O3 =>
4 Fe3O4 + O2 = 6 Fe2O3
Pt + HNO3 + HCl = PtCl4 + NO + H2O =>
3 Pt + 4 HNO3 + 12 HCl = 3 PtCl4 + 4 NO + 8 H2O
ZnF2 + Cs2O = ZnO + Cs2F2 =>
ZnF2 + Cs2O = ZnO + Cs2F2
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + NH4NO2 =>
Cr(NO2)2 + (NH4)2SO4 = CrSO4 + 2 NH4NO2
C3H8(g) + O2(g) = CO2(g) + H2O(g) =>
C3H8(g) + 5 O2(g) = 3 CO2(g) + 4 H2O(g)
K3PO4 + AgNO3 = K3PO4AgNO3 =>
K3PO4 + AgNO3 = K3PO4AgNO3
F2 + CH3F = CF4 + H3 =>
3 F2 + 2 CH3F = 2 CF4 + 2 H3
NH4Cl + NaNO2 = NaCl + N2 + H2O =>
NH4Cl + NaNO2 = NaCl + N2 + 2 H2O
C14H18O4 + O2 = CO2 + H2O =>
2 C14H18O4 + 33 O2 = 28 CO2 + 18 H2O
K2CO3(s) + Cr(C2H3O2)3(s) = Cr2(CO3)3(s) + KC2H3O2(aq) =>
3 K2CO3(s) + 2 Cr(C2H3O2)3(s) = Cr2(CO3)3(s) + 6 KC2H3O2(aq)
Ca3*(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3*(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
Ra2OH2O = RaOH =>
Ra2OH2O = 2 RaOH
K2S + Ni(NO3)2 = KNO3 + NiS =>
K2S + Ni(NO3)2 = 2 KNO3 + NiS
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CuSO4 + NaHCO3 = CuCO3Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4 + 4 NaHCO3 = CuCO3Cu(OH)2 + 2 Na2SO4 + 3 CO2 + H2O
Pb(OH)2 + SO2 = PbSO3 + H2O =>
Pb(OH)2 + SO2 = PbSO3 + H2O
Na2CO3(aq) + Pb(NO3)2(aq) = PbCO3 + Na2(NO3)2 =>
Na2CO3(aq) + Pb(NO3)2(aq) = PbCO3 + Na2(NO3)2
Cs + F2 = CsF =>
2 Cs + F2 = 2 CsF
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
Al + NiSO4 = Al2O3 + Ni + S =>
8 Al + 3 NiSO4 = 4 Al2O3 + 3 Ni + 3 S
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