Équations équilibrées la veille |
Ca + Mg(NO3)3 = Mg + Ca(NO3)3
OH{-} + H2BO3{-} + N2O = NO2{-} + B + H2O =>
2 OH{-} + 4 H2BO3{-} + 3 N2O = 6 NO2{-} + 4 B + 5 H2O
KClO3 + Zn = KCl + ZnO =>
KClO3 + 3 Zn = KCl + 3 ZnO
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
Pb + H2SO4 = Pb(HSO4)2 + H2 =>
Pb + 2 H2SO4 = Pb(HSO4)2 + H2
C5H12O + C2H4O2 = C6H13O2 + H2O =>
18 C5H12O + 15 C2H4O2 = 20 C6H13O2 + 8 H2O
H2SO4 + KOH = H2 + KOHSO4 =>
H2SO4 + KOH = H2 + KOHSO4
Na(s) + MgSO4(aq) = Na2SO4(aq) + Mg(s) =>
2 Na(s) + MgSO4(aq) = Na2SO4(aq) + Mg(s)
UCl4 + LiBH4 = U(BH4)4 + LiCl =>
UCl4 + 4 LiBH4 = U(BH4)4 + 4 LiCl
NO2(g) + CO(g) = N2(g) + CO2(g) =>
2 NO2(g) + 4 CO(g) = N2(g) + 4 CO2(g)
HCOONa + C6H5COONa = C6H5CHO + Na2CO3 =>
HCOONa + C6H5COONa = C6H5CHO + Na2CO3
Ba + NaOH = Na + Ba(OH) =>
Ba + NaOH = Na + Ba(OH)
Al + KOH + H2O + KNO3 = K3[Al(OH)6] + NH3 =>
8 Al + 21 KOH + 18 H2O + 3 KNO3 = 8 K3[Al(OH)6] + 3 NH3
Zn2S2 + O2 = Zn2O2 + SO2 =>
Zn2S2 + 3 O2 = Zn2O2 + 2 SO2
H2SO4 + BF3 = B2(SO4)3 + HF =>
3 H2SO4 + 2 BF3 = B2(SO4)3 + 6 HF
Cu3Zn2 + H2SO4 = CuSO4 + ZnSO4 + H2 =>
Cu3Zn2 + 5 H2SO4 = 3 CuSO4 + 2 ZnSO4 + 5 H2
CaSe + HBr + HNO3 = H2CaBr4 + NO + Se + H2O =>
3 CaSe + 12 HBr + 2 HNO3 = 3 H2CaBr4 + 2 NO + 3 Se + 4 H2O
Ca3P2 + Cr2O3 = CaO + CrP =>
Ca3P2 + Cr2O3 = 3 CaO + 2 CrP
(a)CS2(l) + O2(g) = CO2(g) + SO2(g) =>
(a)CS2(l) + 3 O2(g) = CO2(g) + 2 SO2(g)
Mg(aq) + Ca(OH)2(aq) = Mg(OH)2(s) + Ca(aq) =>
Mg(aq) + Ca(OH)2(aq) = Mg(OH)2(s) + Ca(aq)
KMnO4 + NaOH = KOH + MnO2 + NaO2 =>
KMnO4 + NaOH = KOH + MnO2 + NaO2
Na2S + FeCl3 = FeS + NaCl + S =>
3 Na2S + 2 FeCl3 = 2 FeS + 6 NaCl + S
HCl(aq) + NaNO3 = HNO3 + NaCl =>
HCl(aq) + NaNO3 = HNO3 + NaCl
KOH + Fe(Cl)2 = Fe(OH)2 + KCl =>
2 KOH + Fe(Cl)2 = Fe(OH)2 + 2 KCl
BaS + Br + H2O = BaSO4 + HBr =>
BaS + 8 Br + 4 H2O = BaSO4 + 8 HBr
NaOH + SCl2 = NaCl + S(OH)2 =>
2 NaOH + SCl2 = 2 NaCl + S(OH)2
KI + HClO + CCl4 = KCl + HCl + CO2 + I =>
4 KI + 2 HClO + CCl4 = 4 KCl + 2 HCl + CO2 + 4 I
HC2H3O2 + Na2CO3 = CO2 + H2O + NaC2H3O2 =>
2 HC2H3O2 + Na2CO3 = CO2 + H2O + 2 NaC2H3O2
NH3 + ZnO = Zn + N2 + H2O =>
2 NH3 + 3 ZnO = 3 Zn + N2 + 3 H2O
KCN(aq) + HI(aq) = KI(aq) + HCN(aq) =>
KCN(aq) + HI(aq) = KI(aq) + HCN(aq)
I2 + H = IH =>
I2 + 2 H = 2 IH
Br2 + NaCrO3 + NaOH = Na2CrO4 + NaBr + H2O =>
Br2 + 2 NaCrO3 + 4 NaOH = 2 Na2CrO4 + 2 NaBr + 2 H2O
Cu(NO2)2 + NH4CN = Cu(CN)2 + NH4NO2 =>
Cu(NO2)2 + 2 NH4CN = Cu(CN)2 + 2 NH4NO2
Zn(NO3)2 + (NH4)2CrO4 = ZnCrO4 + NH4NO3 =>
Zn(NO3)2 + (NH4)2CrO4 = ZnCrO4 + 2 NH4NO3
(NH4)2Cr2O7 + KI = Cr2O5 + NH3 + I2 + KOH =>
(NH4)2Cr2O7 + 2 KI = Cr2O5 + 2 NH3 + I2 + 2 KOH
CaCO3(s) + HCl(aq) = HCO3(aq) + CaCl(s) =>
CaCO3(s) + HCl(aq) = HCO3(aq) + CaCl(s)
C2O4{2-} + MnO4{-} + H{+} = MnO2 + CO2 + H2O =>
3 C2O4{2-} + 2 MnO4{-} + 8 H{+} = 2 MnO2 + 6 CO2 + 4 H2O
HNO3(aq) + H2S(g) = NO2(g) + H2O(g) + H2SO4(aq) =>
8 HNO3(aq) + H2S(g) = 8 NO2(g) + 4 H2O(g) + H2SO4(aq)
CaS + Al(NO3)3 = AlS + Ca(NO3)3 =>
CaS + Al(NO3)3 = AlS + Ca(NO3)3
Mg(s) + Fe(NO3)2(aq) = Fe(s) + Mg(NO3)2 =>
Mg(s) + Fe(NO3)2(aq) = Fe(s) + Mg(NO3)2
AgBr + O2 = AgO2 + Br =>
AgBr + O2 = AgO2 + Br
O2 + Cl = OCl =>
O2 + 2 Cl = 2 OCl
Co(iii)(NO3)3 + Zn = Zn(NO3)2 + Co =>
2 Co(iii)(NO3)3 + 3 Zn = 3 Zn(NO3)2 + 2 Co
H{+} + MnO4{-} + HCl = Mn{+} + Cl2 + H2O =>
2 H{+} + MnO4{-} + 6 HCl = Mn{+} + 3 Cl2 + 4 H2O
Cr{3+} + OH{-} + H2O2 = CrO4{-} + H2O =>
Cr{3+} + 4 OH{-} + 2 H2O2 = CrO4{-} + 4 H2O
H2SO4 + V2(CO3)3 = V2(SO4)3 + H2O + CO2 =>
3 H2SO4 + V2(CO3)3 = V2(SO4)3 + 3 H2O + 3 CO2
ZnO + HCl = ZnOH + Cl =>
ZnO + HCl = ZnOH + Cl
Zn + HCl(ac) = ZnCl2(ac) + H2 =>
Zn + 2 HCl(ac) = ZnCl2(ac) + H2
Cd + Pb(No3)2 = Pb2 + Cd(No3)2 =>
2 Cd + 2 Pb(No3)2 = Pb2 + 2 Cd(No3)2
LiBr + Mg(SO3) = MgBr2 + Li2(SO3) =>
2 LiBr + Mg(SO3) = MgBr2 + Li2(SO3)
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