| Équations équilibrées la veille |
3 Sr + 2 H2PO4 = 2 H2 + Sr3(PO4)2
Zn(s) + HCl(aq) = H2(g) + ZnCl2(aq) =>
Zn(s) + 2 HCl(aq) = H2(g) + ZnCl2(aq)
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
B2H6 + O2 = B2O3 + H2O =>
B2H6 + 3 O2 = B2O3 + 3 H2O
W + Cl2 = WCl8 =>
W + 4 Cl2 = WCl8
CaO + CaCO3 = Ca2CO4 =>
CaO + CaCO3 = Ca2CO4
BaSCN + NaCO3 = BaCO3 + NaSCN =>
BaSCN + NaCO3 = BaCO3 + NaSCN
H2SO3 + NaNO2 = H2SO4 + Na2SO4 + N2 + H2O =>
3 H2SO3 + 2 NaNO2 = 2 H2SO4 + Na2SO4 + N2 + H2O
K2Cr2O7 + SnCl + HCl = CrCl2 + KCl + SnCl4 + H2O =>
3 K2Cr2O7 + 8 SnCl + 42 HCl = 6 CrCl2 + 6 KCl + 8 SnCl4 + 21 H2O
(CH2)(CH)(CH2)OH + O2 = H2O + CO2 =>
(CH2)(CH)(CH2)OH + 4 O2 = 3 H2O + 3 CO2
NaI + AgNo{3} = NaNo{3} + AgI =>
NaI + AgNo{3} = NaNo{3} + AgI
CuSO4 + Mn(OH)2 = Cu(OH)2 + MnSO4 =>
CuSO4 + Mn(OH)2 = Cu(OH)2 + MnSO4
Ca(OH)2Cl2 = CaOCl2H2O =>
Ca(OH)2Cl2 = CaOCl2H2O
Ca(MnO4) + CrSO4 + H2SO4 = CaSO4 + MnSO4 + Cr2(SO4)3 + H2O =>
Ca(MnO4) + 4 CrSO4 + 4 H2SO4 = CaSO4 + MnSO4 + 2 Cr2(SO4)3 + 4 H2O
Al + Cu(NO3)2 = Al(NO3)3 + Cu =>
2 Al + 3 Cu(NO3)2 = 2 Al(NO3)3 + 3 Cu
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
HPO4 + NaBr = HBr + NaPO4 =>
HPO4 + NaBr = HBr + NaPO4
ZrOCl2*8H2O + (NH4)2HPO4 = Zr3(PO4)4 + NH3 + HCl + H2O =>
3 ZrOCl2*8H2O + 4(NH4)2HPO4 = Zr3(PO4)4 + 8 NH3 + 6 HCl + 27 H2O
C2H6O + O2(g) = CO(g) + H2O =>
C2H6O + 2 O2(g) = 2 CO(g) + 3 H2O
(NH4)2Cr2O7 + HCl = Cl2 + CrCl3 + H2O + NH4Cl =>
(NH4)2Cr2O7 + 14 HCl = 3 Cl2 + 2 CrCl3 + 7 H2O + 2 NH4Cl
NaCl(aq) + Hg2(C2H3O2)2(aq) = HgCl + Na(C2H3O2) =>
2 NaCl(aq) + Hg2(C2H3O2)2(aq) = 2 HgCl + 2 Na(C2H3O2)
C7H14O5 + O2 = CO2 + H2O =>
C7H14O5 + 8 O2 = 7 CO2 + 7 H2O
K2Cr2O7 + Na2Y + H2SO4 = K2SO4 + Cr2(SO4)3 + Na2SO4 + Y + H2O =>
K2Cr2O7 + 3 Na2Y + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 3 Y + 7 H2O
NaCl + Ca(NO3)2 = NaClCa(NO3)2 =>
NaCl + Ca(NO3)2 = NaClCa(NO3)2
K(aq) + I = KI(s) =>
K(aq) + I = KI(s)
Pb(CH3COO)2 + Fe = Fe(CH3COO)2 + Pb =>
Pb(CH3COO)2 + Fe = Fe(CH3COO)2 + Pb
Zn(s) + CuBr2 = ZnBr2(aq) + Cu(s) =>
Zn(s) + CuBr2 = ZnBr2(aq) + Cu(s)
CH3CH2OH + Na2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + Na2SO4 + H2O =>
3 CH3CH2OH + 2 Na2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 Cr2(SO4)3 + 2 Na2SO4 + 11 H2O
Cu(OH)2 + H2C2H3O2 = H2O + Cu(C2H3O2) =>
Cu(OH)2 + H2C2H3O2 = 2 H2O + Cu(C2H3O2)
SiO2(s) + H2O(l) = SiOH(aq) + O2(g) =>
4 SiO2(s) + 2 H2O(l) = 4 SiOH(aq) + 3 O2(g)
C3H8S2 + O2 = CO2 + H2O + S =>
C3H8S2 + 5 O2 = 3 CO2 + 4 H2O + 2 S
CaCl2 + HMnO4 = HCl + Ca(MnO4)2 =>
CaCl2 + 2 HMnO4 = 2 HCl + Ca(MnO4)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
(CH2)4(COOH)2 + H2N(CH2)6NH2 = [C12H22N2O2] + H2O =>
(CH2)4(COOH)2 + H2N(CH2)6NH2 = [C12H22N2O2] + 2 H2O
Zn + HNO3 = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 HNO3 = Zn(NO3)2 + 2 NO2 + 2 H2O
AlBr3 + Zn = ZnBr + Al =>
AlBr3 + 3 Zn = 3 ZnBr + Al
C3H8 + O = CH2 + H2O =>
C3H8 + O = 3 CH2 + H2O
MoS(s) + O2(g) = MoO + SO2 =>
2 MoS(s) + 3 O2(g) = 2 MoO + 2 SO2
(NH4)2HPO4 = NH3 + NH4(H2PO4) =>
(NH4)2HPO4 = NH3 + NH4(H2PO4)
FeCl3(aq) + Mg(aq) = MgCl2 + Fe =>
2 FeCl3(aq) + 3 Mg(aq) = 3 MgCl2 + 2 Fe
Ba(OH)2 + K2SO4 = KOH + BaSO4 =>
Ba(OH)2 + K2SO4 = 2 KOH + BaSO4
Ca + HOH = CaOH + H2 =>
2 Ca + 2 HOH = 2 CaOH + H2
Fe + NaOH + H2O = FeNa(OH)4 + H2 =>
2 Fe + 2 NaOH + 6 H2O = 2 FeNa(OH)4 + 3 H2
KSCN + NaOH = KOH + NaSCN =>
KSCN + NaOH = KOH + NaSCN
K + MgBr2 = Mg + KBr =>
2 K + MgBr2 = Mg + 2 KBr
VSO4 + H2O + K2Cr2O7 = KCr(OH)4 + VOSO4 =>
3 VSO4 + 4 H2O + K2Cr2O7 = 2 KCr(OH)4 + 3 VOSO4
MgS + Cu2Cl = MgCl + Cu2S(classification) =>
MgS + Cu2Cl = MgCl + Cu2S(classification)
SiO2 + HF = SiF4 + H2O =>
SiO2 + 4 HF = SiF4 + 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Cr2O72{-} + H{+} + Cu(s) = Cr3{+} + H2O + Cu2{+} =>
3 Cr2O72{-} + 432 H{+} + 854 Cu(s) = 2 Cr3{+} + 216 H2O + 427 Cu2{+}
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