| Équations équilibrées la veille |
2 NaNO3 = 2 NaNO2 + O2
FeS + H = Fe + H2S =>
FeS + 2 H = Fe + H2S
Na2S2O8 + MnSO4 + H2O = HMnO4 + Na2SO4 + H2SO4 =>
5 Na2S2O8 + 2 MnSO4 + 8 H2O = 2 HMnO4 + 5 Na2SO4 + 7 H2SO4
(NH4)3PO4 + CaCl2 = Ca3(PO4)2 + Cl(NH4) =>
2(NH4)3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 Cl(NH4)
W2 = W =>
W2 = 2 W
KAI(OH)4(aq) + H2SO4(aq) = KAI(SO4)2(aq) + H2O(l) =>
KAI(OH)4(aq) + 2 H2SO4(aq) = KAI(SO4)2(aq) + 4 H2O(l)
NaH + SO2 = H2S + Na2SO4 =>
2 NaH + 2 SO2 = H2S + Na2SO4
P4O10 + MgO + H2 = Mg3P2O2 + H2O =>
P4O10 + 6 MgO + 12 H2 = 2 Mg3P2O2 + 12 H2O
C10H18O + NaBH4 + CH3OH = C10H20O + NaBH3OCH3 =>
C10H18O + NaBH4 + CH3OH = C10H20O + NaBH3OCH3
CO2 + H2O = C6H12O6 + O02 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O02
Au2S + HCl + HNO3 = AuCl3 + H2O + NO2 + H2SO4 =>
Au2S + 6 HCl + 12 HNO3 = 2 AuCl3 + 8 H2O + 12 NO2 + H2SO4
Pb(NO3)2 + K3Fe(CN)6 = Pb3[Fe(CN)6]2 + KNO3 =>
3 Pb(NO3)2 + 2 K3Fe(CN)6 = Pb3[Fe(CN)6]2 + 6 KNO3
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
C2H3O + O2 = CO + H2O =>
4 C2H3O + 5 O2 = 8 CO + 6 H2O
U3O8 + NO3{-} + H3O{+} = UO22{+} + NO + H2O =>
3 U3O8 + 119 NO3{-} + 128 H3O{+} = 9 UO22{+} + 119 NO + 192 H2O
Ag2SO4 + BaCl2 = Ba2SO4 + AgCl2 =>
Ag2SO4 + 2 BaCl2 = Ba2SO4 + 2 AgCl2
C7H6O6S + FeCl3 = Fe(C7H6O6S)3 + Cl2 =>
6 C7H6O6S + 2 FeCl3 = 2 Fe(C7H6O6S)3 + 3 Cl2
HNo3 + Al(OH)3 = Al(No3) + H4O3 =>
HNo3 + Al(OH)3 = Al(No3) + H4O3
KJ + H2SO4 = J2 + K2SO4 + H2O + H2S =>
8 KJ + 5 H2SO4 = 4 J2 + 4 K2SO4 + 4 H2O + H2S
CrCl3 = Cr + Cl =>
CrCl3 = Cr + 3 Cl
CH3 + NO2 = N2 + CO2 + H2O =>
8 CH3 + 14 NO2 = 7 N2 + 8 CO2 + 12 H2O
CH3CH2NO2 + Zn + KOH + H2O = CH3CH2NH2 + K2[Zn(OH)4] =>
CH3CH2NO2 + 3 Zn + 6 KOH + 4 H2O = CH3CH2NH2 + 3 K2[Zn(OH)4]
S{-}2 + HNO3 = S + NO + NO3{-} + H2O =>
3 S{-}2 + 4 HNO3 = 3 S + NO + 3 NO3{-} + 2 H2O
K2C3 + CoBr2 = KBr + CoC3 =>
K2C3 + CoBr2 = 2 KBr + CoC3
NH3(g) + H2SO4(aq) = (NH4)2SO4(aq) =>
2 NH3(g) + H2SO4(aq) = (NH4)2SO4(aq)
Zn(OH)2 + H3PO4 = Zn3(PO4)2 + H2O =>
3 Zn(OH)2 + 2 H3PO4 = Zn3(PO4)2 + 6 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH3CH2O{-} + H2O = HO{-} + CH3CH3O =>
CH3CH2O{-} + H2O = HO{-} + CH3CH3O
NH3(aq) + HCl(aq) = NH4Cl(aq) =>
NH3(aq) + HCl(aq) = NH4Cl(aq)
Ca3P2 + H2O = Ca(OH)2 + PH3 = =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
Mg + FeBr3 = Fe + MgBr2 =>
3 Mg + 2 FeBr3 = 2 Fe + 3 MgBr2
CaCo3 + C = CaC2 + Co2 =>
2 CaCo3 + 4 C = 2 CaC2 + 3 Co2
K2 + Cl3 = KCl =>
3 K2 + 2 Cl3 = 6 KCl
SOH + SnCOOCH = SCOOCH + SnOH =>
SOH + SnCOOCH = SCOOCH + SnOH
Cr(OH)4{-} + Cl2 + OH{-} = CrO4{-} + Cl{-} + H2O =>
Cr(OH)4{-} + 2 Cl2 + 4 OH{-} = CrO4{-} + 4 Cl{-} + 4 H2O
Sb + SO4 = Sb2O3 + SO2 =>
4 Sb + 3 SO4 = 2 Sb2O3 + 3 SO2
CuSO4 + AgOH = Cu(OH)2 + Ag2SO4 =>
CuSO4 + 2 AgOH = Cu(OH)2 + Ag2SO4
Zn(OH) + Na2CO3 = Na(OH) + Zn2CO3 =>
2 Zn(OH) + Na2CO3 = 2 Na(OH) + Zn2CO3
CrI3 + KOH + Cl2 = K2Cr2O4 + KCl + HCl + KIO3 =>
2 CrI3 + 22 KOH + 18 Cl2 = K2Cr2O4 + 14 KCl + 22 HCl + 6 KIO3
C2H4O + C6H12O6 = C8H16O7 =>
C2H4O + C6H12O6 = C8H16O7
KI + CuSO4 = I2 + KCuSO4 =>
2 KI + 2 CuSO4 = I2 + 2 KCuSO4
KNO3 + S2 = KNO2 + SO2 =>
4 KNO3 + S2 = 4 KNO2 + 2 SO2
NH3 + (CH3CO)2O = CH3CONH2 + CH3COONH4 =>
2 NH3 + (CH3CO)2O = CH3CONH2 + CH3COONH4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
NaOH(aq) + Li2SO4(aq) = Na2SO4(aq) + LiOH(aq) =>
2 NaOH(aq) + Li2SO4(aq) = Na2SO4(aq) + 2 LiOH(aq)
C5H10O2 + H2O = C3H6O2 + CH4 =>
5 C5H10O2 + 4 H2O = 7 C3H6O2 + 4 CH4
Zn(s) + NaOH(aq) + H2O(l) = Na2Zn(OH)4(aq) + H2(g) =>
Zn(s) + 2 NaOH(aq) + 2 H2O(l) = Na2Zn(OH)4(aq) + H2(g)
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HNO3 + KOH = KNO3 + H2O =>
HNO3 + KOH = KNO3 + H2O
Y(NO3)3 + NH4VO3 = YVO4 + NO2 + H2O + NH3 =>
7 Y(NO3)3 + 7 NH4VO3 = 7 YVO4 + 24 NO2 + 8 H2O + 4 NH3
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