| Équations équilibrées la veille |
CaCl2 + C2O4 = CaC2O4 + Cl2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
FeSO4*7H2O + H2C2O4 = FeC2O4 + H2SO4 + H2O =>
FeSO4*7H2O + H2C2O4 = FeC2O4 + H2SO4 + 7 H2O
PCl3(s) + H2O(l) = H3PO3(aq) + HCl(aq) =>
PCl3(s) + 3 H2O(l) = H3PO3(aq) + 3 HCl(aq)
C2O4 + CaCl2 = CaO + CCl4 =>
C2O4 + 4 CaCl2 = 4 CaO + 2 CCl4
HCN + H2O2 = H2O + CO2 + NO2 =>
2 HCN + 9 H2O2 = 10 H2O + 2 CO2 + 2 NO2
Na2Cr2O7 + H2O = NaOH + H2Cr2O7 =>
Na2Cr2O7 + 2 H2O = 2 NaOH + H2Cr2O7
NaClO + Na2S2O3 = Na + SO4 + Cl2 =>
10 NaClO + 2 Na2S2O3 = 14 Na + 4 SO4 + 5 Cl2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Si + HNO3 + HF = H2[SiF6] + NO + H2O =>
3 Si + 4 HNO3 + 18 HF = 3 H2[SiF6] + 4 NO + 8 H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Sn + H2O = SnO + H2 =>
Sn + H2O = SnO + H2
K(s) + H2O(g) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(g) = 2 KOH(aq) + H2(g)
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Sn + H2O = SnO2 + H2 =>
Sn + 2 H2O = SnO2 + 2 H2
CoCl2 + NaOH = Co(OH)2 + NaCl =>
CoCl2 + 2 NaOH = Co(OH)2 + 2 NaCl
Al4C3 + HOH = Al(OH)3 + CH4 =>
Al4C3 + 12 HOH = 4 Al(OH)3 + 3 CH4
H2Si + Cl2 = HCl2 + SiCl4 =>
H2Si + 4 Cl2 = 2 HCl2 + SiCl4
Sn + NaOH = Na2SnO2 + H2 =>
Sn + 2 NaOH = Na2SnO2 + H2
H2O(g) + K(s) = KOH(s) + H2(g) =>
2 H2O(g) + 2 K(s) = 2 KOH(s) + H2(g)
Sn + H2O = Sn(OH)2 + H2 =>
Sn + 2 H2O = Sn(OH)2 + H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
K(s) + H2O(g) = KOH + H2 =>
2 K(s) + 2 H2O(g) = 2 KOH + H2
Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*NH4NO3*10H2O + Na2CO3*10H2O = NaNO3 + CaCO3 + NH3 + CO2 + H2O =>
2 Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*Ca(NO3)2*NH4NO3*10H2O + 11 Na2CO3*10H2O = 22 NaNO3 + 10 CaCO3 + 2 NH3 + CO2 + 131 H2O
AgNO3 + ZnSO4 = Ag2SO4 + Zn(NO3)2 =>
2 AgNO3 + ZnSO4 = Ag2SO4 + Zn(NO3)2
NO + H2SO4 = H2O + NSO4 =>
NO + H2SO4 = H2O + NSO4
KIO3 + KI + H2O = I2 + KOH =>
KIO3 + 5 KI + 3 H2O = 3 I2 + 6 KOH
MnO2 + KCl03 + K0H = K2Mn04 + KCl + H2O =>
4 MnO2 + 7 KCl03 + 16 K0H = K2Mn04 + 21 KCl + 8 H2O
NH4Fe(SO4)2*12H2O + BaCl = BaCl(SO4)2*12H2O + NH4Fe =>
NH4Fe(SO4)2*12H2O + BaCl = BaCl(SO4)2*12H2O + NH4Fe
Bi + KI = BiI3 + K =>
Bi + 3 KI = BiI3 + 3 K
H2O2 + I{-} + H{+} = H2O + I2 =>
H2O2 + 2 I{-} + 2 H{+} = 2 H2O + I2
Sn + H2O = Sn(OH)4 + H2 =>
Sn + 4 H2O = Sn(OH)4 + 2 H2
Ni + Br = Ni(Br)2 =>
Ni + 2 Br = Ni(Br)2
FeSO4 + LiBr + LiBrO3 + H2O = Fe(OH)2 + Li2SO4 + Br2 =>
3 FeSO4 + 5 LiBr + LiBrO3 + 3 H2O = 3 Fe(OH)2 + 3 Li2SO4 + 3 Br2
C5H11OH(l) + O2(g) = CO2(g) + H2O(l) =>
2 C5H11OH(l) + 15 O2(g) = 10 CO2(g) + 12 H2O(l)
Zn + HCI = ZnCI + H =>
Zn + HCI = ZnCI + H
Ba2(s) + Ni(NO3)2(aq) = Ba(NO3)2 + Ni2 =>
Ba2(s) + 2 Ni(NO3)2(aq) = 2 Ba(NO3)2 + Ni2
H2O(l) + KI(s) = HI(aq) + KOH(aq) =>
H2O(l) + KI(s) = HI(aq) + KOH(aq)
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
C5H11OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 C5H11OH(l) + 15 O2(g) = 10 CO2(g) + 12 H2O(g)
Na2CrO4 = Na + Cr + O2 =>
Na2CrO4 = 2 Na + Cr + 2 O2
GaF3 = Ga + F2 =>
2 GaF3 = 2 Ga + 3 F2
C5H11OH(l) + O2(g) = CO2 + H2O =>
2 C5H11OH(l) + 15 O2(g) = 10 CO2 + 12 H2O
MgCO3(s) + HBr(aq) = MgBr2(aq) + CO2(g) + H2O(l) =>
MgCO3(s) + 2 HBr(aq) = MgBr2(aq) + CO2(g) + H2O(l)
Zn = Zn2{+} + e =>
2 Zn = Zn2{+} + e
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Zn = Zn{2+} + {-} =>
Zn = Zn{2+} + 2e
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
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