Équations équilibrées la veille |
2 KMnO4 + 5 Zn + 8 H2SO4 = 2 MnSO4 + K2SO4 + 8 H2O + 5 ZnSO4
HCIO = HCI + O =>
HCIO = HCI + O
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ag2S + H2SO4 = Ag2SO4 + S + H =>
Ag2S + H2SO4 = Ag2SO4 + S + 2 H
Al + NaOH + H2O = Na3[Al(OH)6]3 + H2 =>
6 Al + 6 NaOH + 30 H2O = 2 Na3[Al(OH)6]3 + 15 H2
CO + CuO = Cu2O + CO2 =>
CO + 2 CuO = Cu2O + CO2
Ba(OH)2 + HClO = Ba(Cl)2 + H2O + O2 =>
Ba(OH)2 + 2 HClO = Ba(Cl)2 + 2 H2O + O2
Mg + Sn(No3)2 = MgNo3 + Sn =>
2 Mg + Sn(No3)2 = 2 MgNo3 + Sn
CaCO3 = CaO + CO2(g) =>
CaCO3 = CaO + CO2(g)
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H2O + Fe = Fe2O3 + H2 =>
3 H2O + 2 Fe = Fe2O3 + 3 H2
Pb(NO3)2 + PbCl2 = Pb + (NO3)Cl2 =>
Pb(NO3)2 + 2 PbCl2 = 3 Pb + 2(NO3)Cl2
H2 + NaNO3 = HNO3 + Na =>
H2 + 2 NaNO3 = 2 HNO3 + 2 Na
C6H8O6NaCHO3 = C6H7NaO6CO2H2O =>
C6H8O6NaCHO3 = C6H7NaO6CO2H2O
P4 + Cl2 = PCl3 =>
P4 + 6 Cl2 = 4 PCl3
Zn + MoO3 = Mo2O2 + ZnO =>
4 Zn + 2 MoO3 = Mo2O2 + 4 ZnO
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Ba(OH)2 + CO2 = BaCO3 + H2O =>
Ba(OH)2 + CO2 = BaCO3 + H2O
K2SO4 + HNO3 = H2SO4 + KNO3 =>
K2SO4 + 2 HNO3 = H2SO4 + 2 KNO3
SrO + F2 = SrF2 + O2 =>
2 SrO + 2 F2 = 2 SrF2 + O2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cu(OH)2 + Na2(OH)2 = Cu(OH)4 + Na2 =>
Cu(OH)2 + Na2(OH)2 = Cu(OH)4 + Na2
KCO3 + H2SO4 = KSO4 + CO2 + H2O =>
KCO3 + H2SO4 = KSO4 + CO2 + H2O
ClO2 + CoCl(S2O6)2 = CoCl2 + S + O2 =>
ClO2 + CoCl(S2O6)2 = CoCl2 + 4 S + 7 O2
Mg3(PO4)2 + Ca(NO3)2 = Ca3(PO4)2 + Mg(NO3)2 =>
Mg3(PO4)2 + 3 Ca(NO3)2 = Ca3(PO4)2 + 3 Mg(NO3)2
(NH4)2Cr2O7 = NH3 + H2O + Cr2O3 + O2 =>
2(NH4)2Cr2O7 = 4 NH3 + 2 H2O + 2 Cr2O3 + 3 O2
FeO + C = Fe + CO2 =>
2 FeO + C = 2 Fe + CO2
SrClO3 + H(OH)2 = HClO3 + Sr(OH)2 =>
SrClO3 + H(OH)2 = HClO3 + Sr(OH)2
H2S + H2O2 = H2O + SO2 =>
H2S + 3 H2O2 = 4 H2O + SO2
BaCO3 + Y2O3 + CuO = YBa2Cu3O7 + CO + CO2 =>
4 BaCO3 + Y2O3 + 6 CuO = 2 YBa2Cu3O7 + CO + 3 CO2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NH4OH = NH3 + H2O =>
NH4OH = NH3 + H2O
PbNO32 + FeCl3 = PbCl3 + FeNO32 =>
PbNO32 + FeCl3 = PbCl3 + FeNO32
Al2(SO4)3 = Al2O3 + SO3 =>
Al2(SO4)3 = Al2O3 + 3 SO3
KI + Br2 + KOH = KIO3 + KBr + H2O =>
KI + 3 Br2 + 6 KOH = KIO3 + 6 KBr + 3 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C5H10O + O2 = CO2 + H2O =>
C5H10O + 7 O2 = 5 CO2 + 5 H2O
C + H2O = CH4 + CO2 =>
2 C + 2 H2O = CH4 + CO2
Mg(OH)2 + Al(OH)3 = Mg3(AlO3)2 + H2O =>
3 Mg(OH)2 + 2 Al(OH)3 = Mg3(AlO3)2 + 6 H2O
N2 + H2 + O2 + C = (NH4)2CO3 =>
2 N2 + 8 H2 + 3 O2 + 2 C = 2(NH4)2CO3
NaO = Na + O =>
NaO = Na + O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Al2O3 + NaCl = AlCl3 + Na2O =>
Al2O3 + 6 NaCl = 2 AlCl3 + 3 Na2O
Cuz + HNO3 = Cuz(NO3)2 + NO + H2O =>
3 Cuz + 8 HNO3 = 3 Cuz(NO3)2 + 2 NO + 4 H2O
HC2H3CO2(aq) + KOH(aq) = KCH3COO(aq) + H2O(l) =>
2 HC2H3CO2(aq) + 3 KOH(aq) = 3 KCH3COO(aq) + H2O(l)
CrCl3 + NH4OH = Cr(OH)3 + NH4Cl =>
CrCl3 + 3 NH4OH = Cr(OH)3 + 3 NH4Cl
Ca(C2H3O2)2 + Na = NaC2H3O2 + Ca =>
Ca(C2H3O2)2 + 2 Na = 2 NaC2H3O2 + Ca
C10H16N2O8(l) + NH4NO3(s) = C5H4N4O3(s) + H2O(l) + CO2(aq) =>
11 C10H16N2O8(l) + 31 NH4NO3(s) = 21 C5H4N4O3(s) + 108 H2O(l) + 5 CO2(aq)
C6H12NH2 + O2 = CO2 + H2O + N2 =>
2 C6H12NH2 + 19 O2 = 12 CO2 + 14 H2O + N2
CaOH + HSO4 = HOH + CaSO4 =>
CaOH + HSO4 = HOH + CaSO4
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