Équations équilibrées la veille |
4 Na2S + 7 O2 + 2 H2O = 4 Na2HSO4
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Na(PO4) + CaCl2 = NaCl + Ca(PO4)2 =>
2 Na(PO4) + CaCl2 = 2 NaCl + Ca(PO4)2
BaOH2 = Ba + OH2 =>
BaOH2 = Ba + OH2
Li2CO3 + Ca(NO3)2 = LiNO3 + CaCO3 =>
Li2CO3 + Ca(NO3)2 = 2 LiNO3 + CaCO3
CH3CH2OH + *HCl = CH3CH2Cl + H2O =>
CH3CH2OH + *HCl = CH3CH2Cl + H2O
H2NNH2 + HNO3 = NO2 + H2O =>
H2NNH2 + 12 HNO3 = 14 NO2 + 8 H2O
NaSCN + Fe(NO3)3 = Na(NO3)3 + FeSCN =>
NaSCN + Fe(NO3)3 = Na(NO3)3 + FeSCN
ZnO + NH4Cl = ZnCl2 + NH3 + H2O =>
ZnO + 2 NH4Cl = ZnCl2 + 2 NH3 + H2O
Sn4F = Sn + F =>
Sn4F = 4 Sn + F
CH2BrCH2Br + NaOH = CH2(OH)CH2(OH) + NaBr =>
CH2BrCH2Br + 2 NaOH = CH2(OH)CH2(OH) + 2 NaBr
TIOH + MgBr = MgOH + TIBr =>
TIOH + MgBr = MgOH + TIBr
Al(s) + Cu(SO4)(aq) = Al(SO4)(aq) + Cu(s) =>
Al(s) + Cu(SO4)(aq) = Al(SO4)(aq) + Cu(s)
KCl + ZnO = ZnCl2 + K2O =>
2 KCl + ZnO = ZnCl2 + K2O
*FeS + HCl = *FeCl2 + H2S =>
*FeS + 2 HCl = *FeCl2 + H2S
H2SeO3 + Pb(OH)2 = Pb2(SeO3)2 + H2O =>
2 H2SeO3 + 2 Pb(OH)2 = Pb2(SeO3)2 + 4 H2O
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr =>
LiBr + Co(SO3)2 = Li(SO3)2 + CoBr
H2S + Be(OH)2 = BeS + H2O =>
H2S + Be(OH)2 = BeS + 2 H2O
RbOH + HCl = H2O + RbCl =>
RbOH + HCl = H2O + RbCl
K2Cr2O7 + KBr + H2SO4 = Cr2(SO4)3 + Br2 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = Cr2(SO4)3 + 3 Br2 + 4 K2SO4 + 7 H2O
Fe3P2 + O = FeO + P4 =>
2 Fe3P2 + 6 O = 6 FeO + P4
Na3AlF6 + K = Al + KF2 + NaF =>
2 Na3AlF6 + 3 K = 2 Al + 3 KF2 + 6 NaF
Zn(BrO3)2 + CsOH = Zn(OH)2 + Cs(BrO3) =>
Zn(BrO3)2 + 2 CsOH = Zn(OH)2 + 2 Cs(BrO3)
PBr5 + KOH = K3PO4 + KBr + H2O =>
PBr5 + 8 KOH = K3PO4 + 5 KBr + 4 H2O
NaNO2 + KMnO4 + H2SO4 = NaNO3 + MnSO4 + K2S04 + H2O =>
18 NaNO2 + 2 KMnO4 + 6 H2SO4 = 18 NaNO3 + 2 MnSO4 + K2S04 + 6 H2O
Mg(HSO3)2 + HNO3 = Mg(NO3)2 + SO2 + H2O =>
Mg(HSO3)2 + 2 HNO3 = Mg(NO3)2 + 2 SO2 + 2 H2O
PbS(s) + PbSO4(s) = SO2(g) + Pb(l) =>
PbS(s) + PbSO4(s) = 2 SO2(g) + 2 Pb(l)
Zn(OH)2 + CH3COOH = Zn(CH3COO)2 + H2O =>
Zn(OH)2 + 2 CH3COOH = Zn(CH3COO)2 + 2 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Pb + H2SO4 = H2O + PbSO4 + SO2 =>
Pb + 2 H2SO4 = 2 H2O + PbSO4 + SO2
NaOHHNO3 = NaNO3H2O =>
NaOHHNO3 = NaNO3H2O
Cu + Ag3PO4 = Cu3(PO4)2 + Ag =>
3 Cu + 2 Ag3PO4 = Cu3(PO4)2 + 6 Ag
NaCrO2 + Br + NaOH = Na2CrO4 + NaBr + H2O =>
NaCrO2 + 3 Br + 4 NaOH = Na2CrO4 + 3 NaBr + 2 H2O
Cr(NO3)2 + NaOH = Cr(OH)2 + Na(NO3) =>
Cr(NO3)2 + 2 NaOH = Cr(OH)2 + 2 Na(NO3)
C + P = C3P2 =>
3 C + 2 P = C3P2
PCl3(l) + H2O(l) = H3PO3(aq) + HCl(aq) =>
PCl3(l) + 3 H2O(l) = H3PO3(aq) + 3 HCl(aq)
NaBr + KMnO4 + H2SO4 = Br2 + MnSO4 + H2O + KSO4 + NaSO4 =>
2 NaBr + KMnO4 + 4 H2SO4 = Br2 + MnSO4 + 4 H2O + KSO4 + 2 NaSO4
C2H5NH2(g) + O2(g) = C02(g) + H2O(g) + N2(g) =>
4 C2H5NH2(g) + 7 O2(g) = 4 C02(g) + 14 H2O(g) + 2 N2(g)
Na3AlF6 + Kr = Al + KrF2 + NaF =>
2 Na3AlF6 + 3 Kr = 2 Al + 3 KrF2 + 6 NaF
(NH4)3PO4 + Ba(NO3)2 = (NH4)3(NO3)2 + BaPO4 =>
(NH4)3PO4 + Ba(NO3)2 = (NH4)3(NO3)2 + BaPO4
C12H4Cl6 + H2O2 = CO2 + HCl + H2O =>
C12H4Cl6 + 23 H2O2 = 12 CO2 + 6 HCl + 22 H2O
UuqO7C3 = Uuq8 + O2 + C4 =>
8 UuqO7C3 = Uuq8 + 28 O2 + 6 C4
KMnO4 + NaCl + H2SO4 = Cl2 + Na2SO4 + MnSO4 + KHSO4 + H2O =>
2 KMnO4 + 10 NaCl + 9 H2SO4 = 5 Cl2 + 5 Na2SO4 + 2 MnSO4 + 2 KHSO4 + 8 H2O
H3Po4 + CaCl2 = HCl + Ca3(Po4)2 =>
2 H3Po4 + 3 CaCl2 = 6 HCl + Ca3(Po4)2
NH + Cl2 = NH4Cl + N2H =>
14 NH + Cl2 = 2 NH4Cl + 6 N2H
Cs2S = Cs + S8 =>
8 Cs2S = 16 Cs + S8
H2SO4 + Fe + S = FeSO4 + H2S =>
H2SO4 + Fe + S = FeSO4 + H2S
H2CO3 + Sr(OH)2 = (SrOH)2CO3 + H2O =>
H2CO3 + 2 Sr(OH)2 = (SrOH)2CO3 + 2 H2O
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
NO2 + H2S = S + N2O + H2O =>
2 NO2 + 3 H2S = 3 S + N2O + 3 H2O
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