Équations équilibrées la veille |
2 Ca + O2 = 2 CaO
Cs2CO3 + HBr = CsBr + H2O + CO2 =>
Cs2CO3 + 2 HBr = 2 CsBr + H2O + CO2
MgF2 + Li2CO3 = MgCO3 + LiF =>
MgF2 + Li2CO3 = MgCO3 + 2 LiF
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
Cu(CH3COO)2 + Na3PO4 = Cu3(PO4)2 + Na(CH3COO) =>
3 Cu(CH3COO)2 + 2 Na3PO4 = Cu3(PO4)2 + 6 Na(CH3COO)
Cu(CH3COO)2 + Na3PO4 = CuPO4 + Na3(CH3COO)2 =>
Cu(CH3COO)2 + Na3PO4 = CuPO4 + Na3(CH3COO)2
V + O2 = V2O5 =>
4 V + 5 O2 = 2 V2O5
CaSO4 + SiO2 + C = CaSiO3 + CO + S =>
CaSO4 + SiO2 + 3 C = CaSiO3 + 3 CO + S
H2S + FeCl3 = S + FeCl2 + HCl =>
H2S + 2 FeCl3 = S + 2 FeCl2 + 2 HCl
KBr + H2SO4(aq) + KBrO3 = Br2 + K2SO4 + H2O =>
5 KBr + 3 H2SO4(aq) + KBrO3 = 3 Br2 + 3 K2SO4 + 3 H2O
Cu(CO3) + HCl = H(CO3) + CuCl =>
Cu(CO3) + HCl = H(CO3) + CuCl
Cu(NO3) + NH4OH = CuOH + NH4NO3 =>
Cu(NO3) + NH4OH = CuOH + NH4NO3
Cu(NO3)2 + Fe(s) = Cu(s) + Fe(NO3)2(aq) =>
Cu(NO3)2 + Fe(s) = Cu(s) + Fe(NO3)2(aq)
CH4 + CaO = CaC2 + H2 + O2 =>
4 CH4 + 2 CaO = 2 CaC2 + 8 H2 + O2
Cu(NO3)2 + HNO3 = CuNO3 + H(NO3)2 =>
Cu(NO3)2 + HNO3 = CuNO3 + H(NO3)2
AgCl + NaOH = NaCl + AgOH =>
AgCl + NaOH = NaCl + AgOH
Cu(OH)2 + Na2(SO4) = CuSO4 + NaOH =>
Cu(OH)2 + Na2(SO4) = CuSO4 + 2 NaOH
Cr2O3 + CaO = CaCr2O4 =>
Cr2O3 + CaO = CaCr2O4
HF + NaBr = NaF + HBr =>
HF + NaBr = NaF + HBr
Cu + NH4OH + O2 = [Cu(NH3)4](OH)2 + H2O =>
2 Cu + 8 NH4OH + O2 = 2[Cu(NH3)4](OH)2 + 6 H2O
Cu2O(s) + C(s) = Cu(s) + CO2(g) =>
2 Cu2O(s) + C(s) = 4 Cu(s) + CO2(g)
EuCl3 + Ca = Eu + CaCl2 =>
2 EuCl3 + 3 Ca = 2 Eu + 3 CaCl2
Fe(NO3)3 + Mn = Mn(NO3)7 + Fe =>
7 Fe(NO3)3 + 3 Mn = 3 Mn(NO3)7 + 7 Fe
CuBr2 + (NH4)2S = CuS + (NH4)2Br2 =>
CuBr2 + (NH4)2S = CuS + (NH4)2Br2
CuBr2 + (NH4)2S = CuS + (NH4)Br =>
CuBr2 + (NH4)2S = CuS + 2(NH4)Br
P{5} + S{-2} = P2S5 =>
2 P{5} + 5 S{-2} = P2S5
HCl + KI + NaIO3 = I2 + KIO3 + H2O + NaCl =>
6 HCl + 5 KI + 6 NaIO3 = 3 I2 + 5 KIO3 + 3 H2O + 6 NaCl
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l) =>
CuO(s) + H2SO4(aq) = CuSO4(aq) + H2O(l)
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
K + MgSO4 = MgK + SO4 =>
K + MgSO4 = MgK + SO4
CuO + HCl + Zn = Cu + ZnCl2 + H2O =>
CuO + 2 HCl + Zn = Cu + ZnCl2 + H2O
H2PO4 + MgOH = Mg2PO4 + H2O =>
H2PO4 + 2 MgOH = Mg2PO4 + 2 H2O
CuO + NH4H2PO4 = Cu2P2O7 + NH3 + H2O =>
2 CuO + 2 NH4H2PO4 = Cu2P2O7 + 2 NH3 + 3 H2O
HCl + KMnO4 = KCl + MnCl2 + H2O + Cl26 =>
208 HCl + 26 KMnO4 = 26 KCl + 26 MnCl2 + 104 H2O + 5 Cl26
SnS + OH{-} + H2O2 = SnS3{2-} + SnO3{2-} + H2O =>
3 SnS + 6 OH{-} + 3 H2O2 = SnS3{2-} + 2 SnO3{2-} + 6 H2O
CuSO4*H2O + Na2CO3 = Cu2CO3(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*H2O + 2 Na2CO3 = Cu2CO3(OH)2 + 2 Na2SO4 + CO2 + H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
CuSO4*H2O + Na2CO3 = CuCO3Cu(OH)2 + Na2SO4 + CO2 + H2O =>
2 CuSO4*H2O + 2 Na2CO3 = CuCO3Cu(OH)2 + 2 Na2SO4 + CO2 + H2O
O2(g) + NO(g) = NO3(aq) =>
O2(g) + NO(g) = NO3(aq)
CuSO4H2O + Fe = Cu + Fe2(SO4)3 + H2O =>
3 CuSO4H2O + 2 Fe = 3 Cu + Fe2(SO4)3 + 3 H2O
CuSO4 + NH4 = CuNH4 + SO4 =>
CuSO4 + NH4 = CuNH4 + SO4
P + O = P2O3 =>
2 P + 3 O = P2O3
GaH9 + HNO3 = GaH6(NO2)3 + H2O =>
GaH9 + 3 HNO3 = GaH6(NO2)3 + 3 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
F + Fr = FFr =>
F + Fr = FFr
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + (NH4)2SO4 + H2SO4 + 6 H2O
Na2SiO2 + HCl = NaCl + H2SiO2 =>
Na2SiO2 + 2 HCl = 2 NaCl + H2SiO2
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + H2O + NH4HSO4 =>
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4*2H2O + 6 H2O + 2 NH4HSO4
Al(NO3)3 + MgBr2 = Mg(NO3)2 + AlBr3 =>
2 Al(NO3)3 + 3 MgBr2 = 3 Mg(NO3)2 + 2 AlBr3
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4 + H2SO4 + (NH4)2SO4 + H2O =>
Fe(NH4)2(SO4)2*6H2O + H2C2O4*2H2O = FeC2O4 + H2SO4 + (NH4)2SO4 + 8 H2O
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