Équations équilibrées la veille |
Na2S + CaCO3 = CaS + Na2CO3
H2SO4 + KCI = K2SO4 + HCI =>
H2SO4 + 2 KCI = K2SO4 + 2 HCI
Na + H2S = NaS + H2 =>
Na + H2S = NaS + H2
PbO2 + S2O3 = PbO + SO3 =>
3 PbO2 + S2O3 = 3 PbO + 2 SO3
Ba(NO2)2 + H2O = BaO + HNO2 =>
Ba(NO2)2 + H2O = BaO + 2 HNO2
NH4Cl + Fe(OH)6 = FeCl6 + H2O + NH3 =>
6 NH4Cl + Fe(OH)6 = FeCl6 + 6 H2O + 6 NH3
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
K + HCl = H + KCl =>
K + HCl = H + KCl
Na2[Sn(OH)6] + HCl = SnCl4 + NaCl + H2O =>
Na2[Sn(OH)6] + 6 HCl = SnCl4 + 2 NaCl + 6 H2O
CuCO3(s) + H2SO4(aq) = CuSO4(aq) + H2CO3(aq) =>
CuCO3(s) + H2SO4(aq) = CuSO4(aq) + H2CO3(aq)
Ti(OH)2 = Ti + OH =>
Ti(OH)2 = Ti + 2 OH
AgOH + Na3PO4 = NaOH + Ag3PO4 =>
3 AgOH + Na3PO4 = 3 NaOH + Ag3PO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NaHCO3 + HCl(l) = NaCl + H2O + CO2(g) =>
NaHCO3 + HCl(l) = NaCl + H2O + CO2(g)
KMnO4 + H2SO4 + (NH4)2SO4*FeSO4*6H2O = MnSO4 + K2SO4 + Fe2(SO4)3 + (NH4)2SO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10(NH4)2SO4*FeSO4*6H2O = 2 MnSO4 + K2SO4 + 5 Fe2(SO4)3 + 10(NH4)2SO4 + 68 H2O
CH2O + Cr2O7{2-} + H{+} = CH2O2 + Cr{3+} + H2O =>
3 CH2O + Cr2O7{2-} + 8 H{+} = 3 CH2O2 + 2 Cr{3+} + 4 H2O
Zn(OH)2 = ZnO + H2O =>
Zn(OH)2 = ZnO + H2O
HBr + Ca(OH)2 = Ca(Br2) + H2O =>
2 HBr + Ca(OH)2 = Ca(Br2) + 2 H2O
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
Br{-} + Cr2O7{2-} + H3O{+} = Br2 + Cr{3+} + H2O =>
6 Br{-} + Cr2O7{2-} + 14 H3O{+} = 3 Br2 + 2 Cr{3+} + 21 H2O
CH3COOH + NaOH = CH3OH + CHOONa =>
CH3COOH + NaOH = CH3OH + CHOONa
AlF3 + K3PO4 = AlPO4 + K3F3 =>
AlF3 + K3PO4 = AlPO4 + K3F3
Fe(OH)2(aq) + H2O2(aq) = Fe2O3(s) + H2O =>
2 Fe(OH)2(aq) + H2O2(aq) = Fe2O3(s) + 3 H2O
CH4 + F = CF2 + HF =>
CH4 + 6 F = CF2 + 4 HF
Na(s) + CuCl(aq) = NaCl(aq) + Cu(s) =>
Na(s) + CuCl(aq) = NaCl(aq) + Cu(s)
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
HCI + K2S04 = KCI + H2S04 =>
2 HCI + K2S04 = 2 KCI + H2S04
Fe + V2O3 = Fe2O3 + VO =>
2 Fe + 3 V2O3 = Fe2O3 + 6 VO
Na2SO4 + PbCl2 = Na2Cl2 + PbSO4 =>
Na2SO4 + PbCl2 = Na2Cl2 + PbSO4
KMnO4 + H2C2O4*2H2O + H2SO4 = MnSO4 + K2SO4 + CO2 + H2O =>
2 KMnO4 + 5 H2C2O4*2H2O + 3 H2SO4 = 2 MnSO4 + K2SO4 + 10 CO2 + 18 H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
AuCN + Mg = MgCN + Au =>
AuCN + Mg = MgCN + Au
Na2S4O6 + KMnO4 + H2SO4 = MnSO4 + Na2SO4 + H2O + K2SO4 =>
5 Na2S4O6 + 14 KMnO4 + 6 H2SO4 = 14 MnSO4 + 5 Na2SO4 + 6 H2O + 7 K2SO4
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
CoCl2 + Ag2SO4 = AgCl + CoSO4 =>
CoCl2 + Ag2SO4 = 2 AgCl + CoSO4
(NH4)3PO4 + KOH = NH3H2O + K3PO4 =>
(NH4)3PO4 + 3 KOH = 3 NH3H2O + K3PO4
B + NaOH = NaBO2 + H2 + Na2O =>
2 B + 6 NaOH = 2 NaBO2 + 3 H2 + 2 Na2O
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
KCO2C6H4CO2H + NaOH = KCO2C6H4CO2Na + H2O =>
KCO2C6H4CO2H + NaOH = KCO2C6H4CO2Na + H2O
C2H6 = C2H4 + H2 =>
C2H6 = C2H4 + H2
P2O5 + C = P4 + CO =>
2 P2O5 + 10 C = P4 + 10 CO
Cu2SO4*5H2O + NaOH = Cu2O + H2O + Na2SO4 =>
Cu2SO4*5H2O + 2 NaOH = Cu2O + 6 H2O + Na2SO4
KOH + H2O + KNO3 + Zn = K2[Zn(OH)4] + NH3 =>
7 KOH + 6 H2O + KNO3 + 4 Zn = 4 K2[Zn(OH)4] + NH3
CO2 + CuO = CuCO3 =>
CO2 + CuO = CuCO3
C3H6O2 + H3O = C2H4O2 + CH4O =>
4 C3H6O2 + 4 H3O = 3 C2H4O2 + 6 CH4O
CuSO4 + KI + Na2S2O3 = CuI + K2SO4 + Na2S4O6 + Na2SO4 =>
2 CuSO4 + 2 KI + 2 Na2S2O3 = 2 CuI + K2SO4 + Na2S4O6 + Na2SO4
Au2O3 + Li2 = Li2O3 + Au2 =>
Au2O3 + Li2 = Li2O3 + Au2
H2SO4 + Ca3(PO4)2 + H2O = [CaSO4*2H2O] + H3PO4 =>
3 H2SO4 + Ca3(PO4)2 + 6 H2O = 3[CaSO4*2H2O] + 2 H3PO4
NaNo3 + O2 = NaO2 + No3 =>
NaNo3 + O2 = NaO2 + No3
KCIO = O2 + KCI =>
2 KCIO = O2 + 2 KCI
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