Équations équilibrées la veille |
MgO + H2SO4 = MgSO4 + H2O
I + KOH = KIO2 + KI + H2O =>
4 I + 4 KOH = KIO2 + 3 KI + 2 H2O
KAg(CN)2 + KOH = Ag + KCN + O2 + H2 =>
2 KAg(CN)2 + 2 KOH = 2 Ag + 4 KCN + O2 + H2
NaNO3 + C = NaNO + CO2 =>
NaNO3 + C = NaNO + CO2
Hg(s) + HNO3(g) + HCl = HgCl2(g) + NO(aq) + H2O(l) =>
3 Hg(s) + 2 HNO3(g) + 6 HCl = 3 HgCl2(g) + 2 NO(aq) + 4 H2O(l)
NH4Cl + Na + OH = NH3 + NaCl + H2O =>
NH4Cl + Na + OH = NH3 + NaCl + H2O
C6H12O6 = CH3CO2H =>
C6H12O6 = 3 CH3CO2H
CH3NH2 + H3PO4 = CH6NH2 + PO4 =>
CH3NH2 + H3PO4 = CH6NH2 + PO4
CaO3B2O = CaOB2O3 =>
CaO3B2O = CaOB2O3
HClO3 + Fe = H2O + Fe(ClO3)3 + Cl2 =>
36 HClO3 + 10 Fe = 18 H2O + 10 Fe(ClO3)3 + 3 Cl2
Cd(OH)2 + HBr = Cd(Br)2 + H2O =>
Cd(OH)2 + 2 HBr = Cd(Br)2 + 2 H2O
CuS + NaOH = Cu(OH)2 + Na2S =>
CuS + 2 NaOH = Cu(OH)2 + Na2S
HClO4 + H2S = HCl + H2SO4 =>
HClO4 + H2S = HCl + H2SO4
NaCl + Co = CoCl2 + Na =>
2 NaCl + Co = CoCl2 + 2 Na
Eu2O3 + Fe2O3 = Eu3Fe5O12 =>
3 Eu2O3 + 5 Fe2O3 = 2 Eu3Fe5O12
CH3COCH3 + KMnO4 + Br2 + H2SO4 = CH3COCH2Br + MnSO4 + K2SO4 + H2O =>
10 CH3COCH3 + 2 KMnO4 + 5 Br2 + 3 H2SO4 = 10 CH3COCH2Br + 2 MnSO4 + K2SO4 + 8 H2O
K2C2O4 + H2C2O4 + K2Cr2O7 = K3[Cr(C2O4)3] + CO2 + H2O =>
2 K2C2O4 + 7 H2C2O4 + K2Cr2O7 = 2 K3[Cr(C2O4)3] + 6 CO2 + 7 H2O
AlCl3 + Na2(CO3)1 = Al2(CO3)3(s) + NaCl =>
2 AlCl3 + 3 Na2(CO3)1 = Al2(CO3)3(s) + 6 NaCl
CuSO4 + KI + Na2S2O5 + H2O = CuI + K2SO4 + H2SO4 + Na2SO4 =>
4 CuSO4 + 4 KI + Na2S2O5 + 3 H2O = 4 CuI + 2 K2SO4 + 3 H2SO4 + Na2SO4
Cr2O7 + Cl = Cr + Cl2O =>
Cr2O7 + 14 Cl = 2 Cr + 7 Cl2O
PCl3 + H2SO4 = P2(SO4)3 + HCl =>
2 PCl3 + 3 H2SO4 = P2(SO4)3 + 6 HCl
I + NaCl = NaI + Cl2 =>
2 I + 2 NaCl = 2 NaI + Cl2
Mg(HCO3)2 + BaCl2 = MgCl2 + BaCO3 + H2O + CO2 =>
Mg(HCO3)2 + BaCl2 = MgCl2 + BaCO3 + H2O + CO2
C10H10 + O2 = CO2 + H2O2 =>
C10H10 + 15 O2 = 10 CO2 + 5 H2O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ca(OH)2 + (NH4)2S = CaS + NH4(HO) =>
Ca(OH)2 + (NH4)2S = CaS + 2 NH4(HO)
KBrO3 + HCl + As2O3 = KCl + HBr + As2O5 =>
2 KBrO3 + 2 HCl + 3 As2O3 = 2 KCl + 2 HBr + 3 As2O5
AgNO3 + HNO3 = Ag(NO3)2 + H2 =>
2 AgNO3 + 2 HNO3 = 2 Ag(NO3)2 + H2
OH = O3 + H3 =>
3 OH = O3 + H3
Na2S2O3 + Br2 = Na2S4O6 + NaBr =>
2 Na2S2O3 + Br2 = Na2S4O6 + 2 NaBr
SO2 + H2 = S + H2O =>
SO2 + 2 H2 = S + 2 H2O
K2SO4 + Pb(NO3)2 = PbSO4 + KNO3 =>
K2SO4 + Pb(NO3)2 = PbSO4 + 2 KNO3
KI + AgNO3 + NH4OH = AgI + KOH + NH4NO3 =>
KI + AgNO3 + NH4OH = AgI + KOH + NH4NO3
Mn(OH)3 + KI = K(OH) + Mn(OH)2 + I2 =>
2 Mn(OH)3 + 2 KI = 2 K(OH) + 2 Mn(OH)2 + I2
P3 + Cl2 = PCl3 =>
2 P3 + 9 Cl2 = 6 PCl3
MgCl2 + NaOH = ClOH + MgNa2 =>
MgCl2 + 2 NaOH = 2 ClOH + MgNa2
H2O + NH3 + HgCl2 = HNO3 + Hg + HCl =>
3 H2O + NH3 + 4 HgCl2 = HNO3 + 4 Hg + 8 HCl
Cu(NO3) + KOH = KNO3 + Cu(OH) =>
Cu(NO3) + KOH = KNO3 + Cu(OH)
HF + MgO = H2O + MgF2 =>
2 HF + MgO = H2O + MgF2
Pb(NO3)2 + NaOH = Pb(OH) + Na(NO3)2 =>
Pb(NO3)2 + NaOH = Pb(OH) + Na(NO3)2
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
H2S + SO2 = S + H2O =>
2 H2S + SO2 = 3 S + 2 H2O
NH4Cl + NaOH = NaCl + H2O + NH3 =>
NH4Cl + NaOH = NaCl + H2O + NH3
O2 + HCl = H2O + Cl =>
O2 + 4 HCl = 2 H2O + 4 Cl
FeS + S = FeS2 =>
FeS + S = FeS2
NO2{-} + CH4 + H{+} = N2O + H2CO3 + H2O =>
4 NO2{-} + CH4 + 4 H{+} = 2 N2O + H2CO3 + 3 H2O
CO2(g) = C2 + O2 =>
2 CO2(g) = C2 + 2 O2
CH3CHCH2 + KMnO4 + H2SO4 = K2SO4 + H2O + MnSO4 + CH3CH2COOH =>
5 CH3CHCH2 + 4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 6 H2O + 4 MnSO4 + 5 CH3CH2COOH
CaCl2 + K2CO3 + HCl = CaCl + HCO3 + K2Cl2 =>
CaCl2 + K2CO3 + HCl = CaCl + HCO3 + K2Cl2
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