| Équations équilibrées la veille |
HCOOH + C2H5OH = HCOOC2H5 + HOH
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
C3H6ClCOOH + NaNo2 = NaCl + C3H6No2COOH =>
C3H6ClCOOH + NaNo2 = NaCl + C3H6No2COOH
PO + H2O = P(OH)2 =>
PO + H2O = P(OH)2
(NH4)2SO4 + CaCl2 = CaSO4 + NH4Cl =>
(NH4)2SO4 + CaCl2 = CaSO4 + 2 NH4Cl
Cu + H3NO3 = Cu(NO3)2 + H2 =>
Cu + 2 H3NO3 = Cu(NO3)2 + 3 H2
Al(NO3)3 + H2SO4 = HNO3 + (Al2)(SO4)3 =>
2 Al(NO3)3 + 3 H2SO4 = 6 HNO3 + (Al2)(SO4)3
C4H10O(l) + O2(g) = CO2(g) + H2O(s) =>
C4H10O(l) + 6 O2(g) = 4 CO2(g) + 5 H2O(s)
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Mg(OH)2 + Mg(No3)2 = MgOMg + H2(No3)2O =>
Mg(OH)2 + Mg(No3)2 = MgOMg + H2(No3)2O
C2H6O + HCl + CH4N2O + C6H8O7 = C12H14Cl2N2 + H2O =>
21 C2H6O + 12 HCl + 6 CH4N2O + 4 C6H8O7 = 6 C12H14Cl2N2 + 55 H2O
Zn3(PO4)2 + NaOH + H2O = Zn(OH)2 + Na2(HPO4) =>
Zn3(PO4)2 + 4 NaOH + 2 H2O = 3 Zn(OH)2 + 2 Na2(HPO4)
Fe + S = FeS =>
Fe + S = FeS
Cr(NO3)3 + ZnSO4 = Cr2(SO4)3 + Zn(NO3)2 =>
2 Cr(NO3)3 + 3 ZnSO4 = Cr2(SO4)3 + 3 Zn(NO3)2
H2SO4 + Na2(CO3) = Na2(SO4) + H2CO3 =>
H2SO4 + Na2(CO3) = Na2(SO4) + H2CO3
K3[Cr(OH)6] + HNO3 = Cr(OH)3 + H2O + KNO3 =>
K3[Cr(OH)6] + 3 HNO3 = Cr(OH)3 + 3 H2O + 3 KNO3
Na2S2O3 + Al2(C2O4)3 = Na2C2O4 + Al2(S2O3)3 =>
3 Na2S2O3 + Al2(C2O4)3 = 3 Na2C2O4 + Al2(S2O3)3
H2CO3 = CO2 + H2O =>
H2CO3 = CO2 + H2O
NaOH + TiO2 = Na4TiO4 + H2O =>
4 NaOH + TiO2 = Na4TiO4 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
S + O2 = SO2 =>
S + O2 = SO2
SO3 = SO2 + O2 =>
2 SO3 = 2 SO2 + O2
CH3OH + KMnO4 + NaOH = HCOOH + MnO2 + K[NaOH]2 + H2O =>
CH3OH + KMnO4 + 2 NaOH = HCOOH + MnO2 + K[NaOH]2 + H2O
CH3COOH + CaCO3 = CH3C00Ca + CO2 + H2O =>
13 CH3COOH + 8 CaCO3 = 8 CH3C00Ca + 18 CO2 + 14 H2O
H2SO4 + NaCI = Na2SO4 + CIH =>
H2SO4 + 2 NaCI = Na2SO4 + 2 CIH
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Na + HNO3 = NaNO3 + NH4NO3 + H2O =>
8 Na + 10 HNO3 = 8 NaNO3 + NH4NO3 + 3 H2O
NaHSO4 + HOH = NaOH + H2SO4 =>
NaHSO4 + HOH = NaOH + H2SO4
K2Cr2O7 + H2SO4 + Hg = Cr2(SO4)3 + K2SO4 + HgSO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 3 Hg = Cr2(SO4)3 + K2SO4 + 3 HgSO4 + 7 H2O
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
MgO = Mg + O2 =>
2 MgO = 2 Mg + O2
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl =>
CH3COOMgCl + H2O = CH3COOH + Mg(OH)Cl
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
NH4Cl + FeO = FeCl2 + N2 + H2O + Fe =>
2 NH4Cl + 4 FeO = FeCl2 + N2 + 4 H2O + 3 Fe
CuO + H2 = Cu + H20O =>
CuO + 10 H2 = Cu + H20O
WO3 + SnCl2 + HCl = W3O8 + H2SnCl6 + H2O =>
3 WO3 + SnCl2 + 4 HCl = W3O8 + H2SnCl6 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
KNO3(aq) + NaCl(aq) = KCl + Na(NO3) =>
KNO3(aq) + NaCl(aq) = KCl + Na(NO3)
CrO + P2O5 = Cr3(PO4)2 =>
3 CrO + P2O5 = Cr3(PO4)2
PCl3 = P4 + Cl2 =>
4 PCl3 = P4 + 6 Cl2
KI + FeCl3 + H2SO4 = Fe(SO4) + HCl + I2 + K2SO4 =>
2 KI + 2 FeCl3 + 3 H2SO4 = 2 Fe(SO4) + 6 HCl + I2 + K2SO4
Cr2O72{-} + H{+} + I{-} = Cr3{+} + I2 + H2O =>
6 Cr2O72{-} + 864 H{+} + 854 I{-} = 4 Cr3{+} + 427 I2 + 432 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + Ca(H2PO4)2 =>
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
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