Équations équilibrées la veille |
6 KMnO4 + 5 Na2C2O2 + 14 H2SO4 = 3 K2SO4 + 10 CO2 + 6 MnSO4 + 5 Na2SO4 + 14 H2O
KBr + NaBr + H2O = HBr + KNa(OH)2 =>
KBr + NaBr + 2 H2O = 2 HBr + KNa(OH)2
C7H5(NO2)3 = C + CO + H2 + N2 =>
2 C7H5(NO2)3 = 2 C + 12 CO + 5 H2 + 3 N2
CuSO4*5H2O + KOH = K2SO4 + CuO + H2O =>
CuSO4*5H2O + 2 KOH = K2SO4 + CuO + 6 H2O
KMnO4 + HBr = KBr + H2O + MnBr + Br2 =>
KMnO4 + 8 HBr = KBr + 4 H2O + MnBr + 3 Br2
H2CO3 + Ca = Ca(HCO3)2 + H2 =>
2 H2CO3 + Ca = Ca(HCO3)2 + H2
C6H12O2 + O2 = H2O + CO2 =>
C6H12O2 + 8 O2 = 6 H2O + 6 CO2
K2Cr2O7 + H2O2 + H2SO4 = CrO5 + H2O + K2SO4 =>
K2Cr2O7 + 4 H2O2 + H2SO4 = 2 CrO5 + 5 H2O + K2SO4
CH3OH + CrO7{2-} + H{+} = CH2O + Cr{3+} + H2O =>
9 CH3OH + 2 CrO7{2-} + 10 H{+} = 9 CH2O + 2 Cr{3+} + 14 H2O
(NH4)2S + NaBr = NH4Br + Na2S =>
(NH4)2S + 2 NaBr = 2 NH4Br + Na2S
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
NaB(OH)4 + HCl = B(OH)3 + H2O + NaCl =>
NaB(OH)4 + HCl = B(OH)3 + H2O + NaCl
(NH4)2S + NaBr = NH4Br + Na2S =>
(NH4)2S + 2 NaBr = 2 NH4Br + Na2S
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
Ca(CH3COO)2 + FeCl3 + H2O = Fe(OH)3 + CH3COOH + CaCl2 =>
3 Ca(CH3COO)2 + 2 FeCl3 + 6 H2O = 2 Fe(OH)3 + 6 CH3COOH + 3 CaCl2
CuCO3 + K2SO4 = K2CO3 + CuSO4 =>
CuCO3 + K2SO4 = K2CO3 + CuSO4
NaOH + C17H35COOH = C17H35COONa + H2O =>
NaOH + C17H35COOH = C17H35COONa + H2O
Ca(OH)2 + H2SO4 = CaSO4 + H2O2 + H2 =>
Ca(OH)2 + H2SO4 = CaSO4 + H2O2 + H2
C2H6 + F2 = C2H5 + HF2 =>
C2H6 + F2 = C2H5 + HF2
Al(NO3)3 + NH4OH = AlOH + NH4(NO3)3 =>
Al(NO3)3 + NH4OH = AlOH + NH4(NO3)3
HCH3COO + Na2CO3 = CO2 + H2O + NaCH3COO =>
2 HCH3COO + Na2CO3 = CO2 + H2O + 2 NaCH3COO
A1 + C = A14C3 =>
14 A1 + 3 C = A14C3
Ca3(P04) + H2S04 = Ca(H2P04) + Ca(HS04) =>
Ca3(P04) + 2 H2S04 = Ca(H2P04) + 2 Ca(HS04)
HCl(g) + H2O = Cl{-} + H3O{+} =>
HCl(g) + H2O = Cl{-} + H3O{+}
Zn + PbCH3COO = ZnPbCH3COO =>
Zn + PbCH3COO = ZnPbCH3COO
C6H12O7 + NaHCO3 = C6H11O7Na + CO2 + H2O =>
C6H12O7 + NaHCO3 = C6H11O7Na + CO2 + H2O
BaCO3 + SiO3 = BaO3 + SiO + CO2 =>
BaCO3 + SiO3 = BaO3 + SiO + CO2
SiH2Cl2 + H2O = Si(OH)4 + HCl + H2 =>
SiH2Cl2 + 4 H2O = Si(OH)4 + 2 HCl + 2 H2
Mn2O3 + CN{-} + H2O = Mn(CN)6{4-} + (CN)2 + OH{-} =>
Mn2O3 + 14 CN{-} + 3 H2O = 2 Mn(CN)6{4-} + (CN)2 + 6 OH{-}
FeCl3 + KSCN = Fe(SCN)3 + Cl*K =>
FeCl3 + 3 KSCN = Fe(SCN)3 + 3 Cl*K
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
Na2Cr2O7 + Na2C2O4 + H2SO4 = Cr2(SO4)3 + Na2SO4 + CO2 + H2O =>
Na2Cr2O7 + 3 Na2C2O4 + 7 H2SO4 = Cr2(SO4)3 + 4 Na2SO4 + 6 CO2 + 7 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
KMnO4 + H2SO4 + NaNO2 = K2SO4 + MnSO4 + H2O + NaNO3 =>
2 KMnO4 + 3 H2SO4 + 5 NaNO2 = K2SO4 + 2 MnSO4 + 3 H2O + 5 NaNO3
P2O3 + Ca(OH)2 = H2O + Ca(PO2)2 =>
P2O3 + Ca(OH)2 = H2O + Ca(PO2)2
FeSCN + KSCN = FeSCNKSCN =>
FeSCN + KSCN = FeSCNKSCN
Mg + Cl2 = MgCl7 =>
2 Mg + 7 Cl2 = 2 MgCl7
TeO2 + Cr2O7{2-} + H{+} + H2O = H6TeO6 + Cr3{+} =>
17 TeO2 + 3 Cr2O7{2-} + 8 H{+} + 47 H2O = 17 H6TeO6 + 2 Cr3{+}
Cr2O3(s) + Na2CO3(s) + KNO3(s) = Na2CrO4(s) + KNO2(s) + CO2(g) =>
Cr2O3(s) + 2 Na2CO3(s) + 3 KNO3(s) = 2 Na2CrO4(s) + 3 KNO2(s) + 2 CO2(g)
S + KI + HCl = H2S + KCl + I =>
S + 2 KI + 2 HCl = H2S + 2 KCl + 2 I
ZnCl2 + NaOH = Zn(OH)2 + NaCl =>
ZnCl2 + 2 NaOH = Zn(OH)2 + 2 NaCl
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Al(NO3)3 + Na2HPO4 = AlPO4 + NaNO3 + H2O + P2O5 =>
4 Al(NO3)3 + 6 Na2HPO4 = 4 AlPO4 + 12 NaNO3 + 3 H2O + P2O5
NiO + NH3 + H2O = Ni(NH3)4{2+} + OH{-} =>
NiO + 4 NH3 + H2O = Ni(NH3)4{2+} + 2 OH{-}
Si3H4 + O2 = SiO + H2O =>
2 Si3H4 + 5 O2 = 6 SiO + 4 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH3 + CH4 + O2 = C2H2NO2 + H2O =>
4 NH3 + 8 CH4 + 13 O2 = 4 C2H2NO2 + 18 H2O
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