| Équations équilibrées la veille |
3 H2S + Al2Br6 = 6 HBr + Al2S3
C2H4 + O2 = CO2 + H2OH2O =>
C2H4 + 3 O2 = 2 CO2 + H2OH2O
NaHCO3 + CH3COOH = CO2 + CH3COOHNa + H2O =>
8 NaHCO3 + 9 CH3COOH = 10 CO2 + 8 CH3COOHNa + 6 H2O
HNo3 + FeO3 = HO3 + FeNo3 =>
HNo3 + FeO3 = HO3 + FeNo3
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
CaO1 + CO2 = CaCO3 =>
CaO1 + CO2 = CaCO3
BeI2 + K20 = Be0 + K2I2 =>
10 BeI2 + K20 = 10 Be0 + 10 K2I2
HNO3 + Mn(OH)2 = Mn(NO3)2 + H2O =>
2 HNO3 + Mn(OH)2 = Mn(NO3)2 + 2 H2O
Pb(NO3)2 + NaI = Na2(NO3)2 + PbI2 =>
Pb(NO3)2 + 2 NaI = Na2(NO3)2 + PbI2
C16H32O2 + CH3OH = H2O + C17H34O2 =>
C16H32O2 + CH3OH = H2O + C17H34O2
Al2O3 + H2O = Al(OH)3 =>
Al2O3 + 3 H2O = 2 Al(OH)3
KClO3 + H2O + KCl = KOH + Cl2 =>
KClO3 + 3 H2O + 5 KCl = 6 KOH + 3 Cl2
N2H2 + Na2SO4 = N2 + Na2SO3 + H2O =>
N2H2 + Na2SO4 = N2 + Na2SO3 + H2O
Fe(HCO)3 + Cl2 + Ca(CO3) = Fe(OH)3 + CaCl2 + CO2 =>
Fe(HCO)3 + 6 Cl2 + 6 Ca(CO3) = Fe(OH)3 + 6 CaCl2 + 9 CO2
Cr(SCN)6{-3} + I2 + H2O = SO4{2-} + ICN + I{-} + Cr{+3} + H{+} =>
Cr(SCN)6{-3} + 24 I2 + 24 H2O = 6 SO4{2-} + 6 ICN + 42 I{-} + Cr{+3} + 48 H{+}
Na2(SO2)2 + HCl = NaCl + SO2 + S + H2O =>
2 Na2(SO2)2 + 4 HCl = 4 NaCl + 3 SO2 + S + 2 H2O
Pb + Cu(NO3)3 = Pb(NO3)2 + Cu =>
3 Pb + 2 Cu(NO3)3 = 3 Pb(NO3)2 + 2 Cu
Mg + HBr = Mg(Br)2 + H2 =>
Mg + 2 HBr = Mg(Br)2 + H2
Sb + H{+} + SO4{-2} = Sb{3+} + SO2 + H2O =>
2 Sb + 12 H{+} + 3 SO4{-2} = 2 Sb{3+} + 3 SO2 + 6 H2O
Fe{3+} + SCN{-}{+} = FeSCN{2+} =>
Fe{3+} + SCN{-}{+} = FeSCN{2+}
Mn{3+} + K4P2O7 + H{+} = Mn(H2P2O7)3{3-} + K{+} =>
Mn{3+} + 3 K4P2O7 + 6 H{+} = Mn(H2P2O7)3{3-} + 12 K{+}
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NiSO4(aq) + Na2S(aq) = NiS(s) + Na2SO4(aq) =>
NiSO4(aq) + Na2S(aq) = NiS(s) + Na2SO4(aq)
KCl(aq) + Na2SO4(aq) = NaCl + K2SO4 =>
2 KCl(aq) + Na2SO4(aq) = 2 NaCl + K2SO4
NaO2 = Na + O2 =>
NaO2 = Na + O2
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
Ca + LiO = CaO + Li =>
Ca + LiO = CaO + Li
NH3(g) + CO(g) = HCN(l) + H2O =>
NH3(g) + CO(g) = HCN(l) + H2O
H2SO4(aq) + KOH(aq) = H2O(l) + SO4K2(aq) =>
H2SO4(aq) + 2 KOH(aq) = 2 H2O(l) + SO4K2(aq)
Zn2 + PbNO3 = Pb2 + ZnNO3 =>
Zn2 + 2 PbNO3 = Pb2 + 2 ZnNO3
Na2[Zn(OH)4] + H2S = NaHS + Zn(OH)2 + H2O =>
Na2[Zn(OH)4] + 2 H2S = 2 NaHS + Zn(OH)2 + 2 H2O
IO3{-} + HCl + N2H4 = ICl2{-} + N2 + H2O =>
IO3{-} + 2 HCl + N2H4 = ICl2{-} + N2 + 3 H2O
FeO + H2SO4 = Fe2(SO4)3 + H2O + S =>
6 FeO + 10 H2SO4 = 3 Fe2(SO4)3 + 10 H2O + S
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
(NH4)2SO4 + Ca(NO3)2 = Ca(NH4)2 + (NO3)2SO4 =>
(NH4)2SO4 + Ca(NO3)2 = Ca(NH4)2 + (NO3)2SO4
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Mn(NO3)2 + (NH4)2S2O8 + H2O = MnO4 + (NH4)2SO4 + HNO3 =>
3 Mn(NO3)2 + (NH4)2S2O8 + 6 H2O = 3 MnO4 + 2(NH4)2SO4 + 4 HNO3
KMnO4 + H2O = KOH + MnO2 + O3 =>
2 KMnO4 + H2O = 2 KOH + 2 MnO2 + O3
O2 + CH3 = O2CH3 =>
O2 + CH3 = O2CH3
O2 + C2H9O = CO2 + H2O =>
15 O2 + 4 C2H9O = 8 CO2 + 18 H2O
BaCl2 + NH4OH = Ba(OH)2 + NH4Cl =>
BaCl2 + 2 NH4OH = Ba(OH)2 + 2 NH4Cl
(NH4)2 + Cr2O7 = N2Cr2O3 + H2O =>
(NH4)2 + Cr2O7 = N2Cr2O3 + 4 H2O
C3H6O + C6H6N4O4 = C9H10O4N4 + H2O =>
C3H6O + C6H6N4O4 = C9H10O4N4 + H2O
HNO3 + PbCO3 = CO2 + Pb(NO3)2 + H2O =>
2 HNO3 + PbCO3 = CO2 + Pb(NO3)2 + H2O
NiCl2*6H2O + C2H8N2 = [Ni(C2H8N2)3]Cl2*2H2O + H2O =>
NiCl2*6H2O + 3 C2H8N2 = [Ni(C2H8N2)3]Cl2*2H2O + 4 H2O
Fe(s) + NaOH(aq) = NaFeO + H2(g) =>
2 Fe(s) + 2 NaOH(aq) = 2 NaFeO + H2(g)
K2Cr2O7 + KI + H2SO4 = K2SO4 + Cr2(SO3)4 + I2 + H2O =>
K2Cr2O7 + 12 KI + 11 H2SO4 = 7 K2SO4 + Cr2(SO3)4 + 6 I2 + 11 H2O
W + KOH + O2 = KWO2 + H2O =>
4 W + 4 KOH + 3 O2 = 4 KWO2 + 2 H2O
Cr2O7{-2} + H{+} + Fe{+2} = Fe{+3} + H2O + Cr{+3} =>
Cr2O7{-2} + 14 H{+} + 6 Fe{+2} = 6 Fe{+3} + 7 H2O + 2 Cr{+3}
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