Équations équilibrées la veille |
C6H8O7 + CH2O2 = C7H10O9
Na2SO3 + K2Cr2O7 + H2SO4 = Na2SO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = 3 Na2SO4 + K2SO4 + Cr2(SO4)3 + 4 H2O
Cr(s) + O2(g) = Cr2O3(s) =>
4 Cr(s) + 3 O2(g) = 2 Cr2O3(s)
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
CH3OH(g) + O2(g) = HCOOH(g) + H2O =>
CH3OH(g) + O2(g) = HCOOH(g) + H2O
H3BO3 + Na(OH) = Na2B4O7 + H2O =>
4 H3BO3 + 2 Na(OH) = Na2B4O7 + 7 H2O
BaCl2 + Na2CrO4 = BaCrO4 + NaCl =>
BaCl2 + Na2CrO4 = BaCrO4 + 2 NaCl
Hg + N = Hg3N2 =>
3 Hg + 2 N = Hg3N2
HCl + CaCl2 = CaH2 + Cl2 =>
2 HCl + CaCl2 = CaH2 + 2 Cl2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeO + C = Fe + CO =>
FeO + C = Fe + CO
Cr(s) + O2(g) = CrO3(s) =>
2 Cr(s) + 3 O2(g) = 2 CrO3(s)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaBr + AgC2H3O2 = Na(C2H3O2) + AgBr =>
NaBr + AgC2H3O2 = Na(C2H3O2) + AgBr
K2SO3 + H2O = S + K2SO4 + KOH =>
3 K2SO3 + H2O = S + 2 K2SO4 + 2 KOH
Mg(NO3)2 + H2S = MgH2S + (NO3)2 =>
Mg(NO3)2 + H2S = MgH2S + (NO3)2
H[SbCl6] + H2O = HCl + Sb2O5 =>
2 H[SbCl6] + 5 H2O = 12 HCl + Sb2O5
P + O4 = P4O10 =>
8 P + 5 O4 = 2 P4O10
Ni3N2 = Ni + N2 =>
Ni3N2 = 3 Ni + N2
Mg(NO3)2 + H2S = MgH2S + (NO3)2 =>
Mg(NO3)2 + H2S = MgH2S + (NO3)2
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Ca(HCO3)2 + Na2Cr2O7 = CaCr2O7 + NaHCO3 =>
Ca(HCO3)2 + Na2Cr2O7 = CaCr2O7 + 2 NaHCO3
Mg(OH)2 + (NH4)Cl = MgCl2 + (NH4)(OH) =>
Mg(OH)2 + 2(NH4)Cl = MgCl2 + 2(NH4)(OH)
Ca(OH)2 + PO4 = Ca3(PO4)2 + OH =>
3 Ca(OH)2 + 2 PO4 = Ca3(PO4)2 + 6 OH
NiCl2(aq) + Na2CO3 = NiCO3 + NaCl =>
NiCl2(aq) + Na2CO3 = NiCO3 + 2 NaCl
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na3PO4 + AgNO3 = NaNO3 + Ag3PO4 =>
Na3PO4 + 3 AgNO3 = 3 NaNO3 + Ag3PO4
CaCl2 + NaHCO3 = NaCl + CaCO3 + CO2 + H2O =>
CaCl2 + 2 NaHCO3 = 2 NaCl + CaCO3 + CO2 + H2O
K + Zn(NO3)2 = KNO3 + Zn =>
2 K + Zn(NO3)2 = 2 KNO3 + Zn
Zn(OH)2 + NHO3 = H2O + Zn(NO3)2 =>
Zn(OH)2 + 2 NHO3 = 2 H2O + Zn(NO3)2
Li(s) + S(s) = Li2S(s) =>
2 Li(s) + S(s) = Li2S(s)
CH3(CH2)5CH3 + O2 = CH3CHO + H2O =>
4 CH3(CH2)5CH3 + 9 O2 = 14 CH3CHO + 4 H2O
CH4 + H2O = CO2 + H2 =>
CH4 + 2 H2O = CO2 + 4 H2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
BaCl2 + PbSO4 = BaSO4 + Cl2Pb =>
BaCl2 + PbSO4 = BaSO4 + Cl2Pb
Al2O3 + H = Al3 + H2O =>
3 Al2O3 + 18 H = 2 Al3 + 9 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
C10H16N2O8 + NaOH + FeCO3 = C10H12N2O8Na2Fe*2H2O + H2O + CO2 =>
C10H16N2O8 + 2 NaOH + FeCO3 = C10H12N2O8Na2Fe*2H2O + H2O + CO2
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
H2S + Mg = H2 + MgS =>
H2S + Mg = H2 + MgS
Cd + S = CdS =>
Cd + S = CdS
KBr(aq) + NH4Cl(aq) = KCl(aq) + NH4Br(aq) =>
KBr(aq) + NH4Cl(aq) = KCl(aq) + NH4Br(aq)
FeBr2 = Fe(Br2) =>
FeBr2 = Fe(Br2)
FeSO4*7H2O + Cl2 = Fe2(SO4)3 + FeCl3 + H2O =>
6 FeSO4*7H2O + 3 Cl2 = 2 Fe2(SO4)3 + 2 FeCl3 + 42 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3OH + OH = HCOOH + H2O =>
CH3OH + 4 OH = HCOOH + 3 H2O
H2PO4 + H2O = HPO4 + H4O =>
2 H2PO4 + H2O = 2 HPO4 + H4O
Sr3(PO4)2(s) = Sr + PO4 =>
Sr3(PO4)2(s) = 3 Sr + 2 PO4
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