| Équations équilibrées la veille |
3 C2H8N2 = C6H18N4 + 2 NH3
NiO + O2 = NiO3 =>
NiO + O2 = NiO3
SO2 + oxygen + water = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Al + Fe2O3 = Al2O3 + Fe6 =>
6 Al + 3 Fe2O3 = 3 Al2O3 + Fe6
CuI + Na2S2O3 = Na3[Cu(S2O3)2] + NaI =>
CuI + 2 Na2S2O3 = Na3[Cu(S2O3)2] + NaI
Cr2O72{-} + SO32{-} + H{+} = Cr3{+} + SO42{-} + H2O =>
60 Cr2O72{-} + 427 SO32{-} + 100 H{+} = 40 Cr3{+} + 427 SO42{-} + 50 H2O
H2O + Ni + Al2(SO4)3 = H2 + Al(OH)3 + NiSO4 =>
6 H2O + 3 Ni + Al2(SO4)3 = 3 H2 + 2 Al(OH)3 + 3 NiSO4
O + Al = O24Al =>
24 O + Al = O24Al
K2PtCl4(s) + NH3(aq) = Pt(NH3)2Cl2(s) + KCl(aq) =>
K2PtCl4(s) + 2 NH3(aq) = Pt(NH3)2Cl2(s) + 2 KCl(aq)
HNO2 + FeNO3 = HNO3 + FeNO2 =>
HNO2 + FeNO3 = HNO3 + FeNO2
Na2S + Pb(CH3CO2)2 = NaCH3CO2 + PbS =>
Na2S + Pb(CH3CO2)2 = 2 NaCH3CO2 + PbS
CaS3 + SO2 + H2O = CaSO4 + H2S =>
3 CaS3 + 2 SO2 + 8 H2O = 3 CaSO4 + 8 H2S
Na2CO3 + H3PO4 = Na3PO4 + H2CO3 =>
3 Na2CO3 + 2 H3PO4 = 2 Na3PO4 + 3 H2CO3
P2O5 + SnO = Sn3(PO4)2 =>
P2O5 + 3 SnO = Sn3(PO4)2
NaBH4 + H2SO4 = Na2SO4 + B2H6 + SO2 + H2O =>
2 NaBH4 + 3 H2SO4 = Na2SO4 + B2H6 + 2 SO2 + 4 H2O
Mg2 + HC2H3O2 = Mg(C2H3O2)2 + H2 =>
Mg2 + 4 HC2H3O2 = 2 Mg(C2H3O2)2 + 2 H2
Cl2 + NaBr4 = NaCl + Br2 =>
Cl2 + 2 NaBr4 = 2 NaCl + 4 Br2
C3H5(NO3)3 = CO2 + N + O + H2O =>
2 C3H5(NO3)3 = 6 CO2 + 6 N + O + 5 H2O
C20H40O2 + O2 = H2O + CO2 =>
C20H40O2 + 29 O2 = 20 H2O + 20 CO2
CuSO4*5H2O + KSCN = Cu(SCN)2 + K2SO4 + H2O =>
CuSO4*5H2O + 2 KSCN = Cu(SCN)2 + K2SO4 + 5 H2O
Na2O + P2O5 = Na3PO4 =>
3 Na2O + P2O5 = 2 Na3PO4
Zn + Ag2O + H2O = Zn(OH)2 + Ag =>
Zn + Ag2O + H2O = Zn(OH)2 + 2 Ag
H2O(l) + Cl2(g) = O2(g) + HCl(aq) =>
2 H2O(l) + 2 Cl2(g) = O2(g) + 4 HCl(aq)
C17H19O3N + HCl = C17H20O3NCl =>
C17H19O3N + HCl = C17H20O3NCl
CaOH2 + H2O = H3O + CaO =>
CaOH2 + 2 H2O = 2 H3O + CaO
C9H9OH + Na = C9H7ONa2 + H2 =>
2 C9H9OH + 4 Na = 2 C9H7ONa2 + 3 H2
Pb(OH)2 + H2TeO3 = H2O + PbTeO3 =>
Pb(OH)2 + H2TeO3 = 2 H2O + PbTeO3
HNO3 + Cu = NO2 + H2O + Cu[NO3]2 =>
4 HNO3 + Cu = 2 NO2 + 2 H2O + Cu[NO3]2
BaCO3 + H{+} = Ba{+2} + CO2 + H2O =>
BaCO3 + 2 H{+} = Ba{+2} + CO2 + H2O
NaOH + BaBr2 = Ba(OH)2 + NaBr =>
2 NaOH + BaBr2 = Ba(OH)2 + 2 NaBr
FeS + NH4OH = FeOH + NH4S =>
FeS + NH4OH = FeOH + NH4S
C17H35COOH + O = CO2 + H2O =>
C17H35COOH + 52 O = 18 CO2 + 18 H2O
Ni2CO3 + H2SO4 = H2CO3 + Ni2SO4 =>
Ni2CO3 + H2SO4 = H2CO3 + Ni2SO4
KMnNO4 + HCl = KCl + MnNCl2 + H2O + Cl2 =>
2 KMnNO4 + 16 HCl = 2 KCl + 2 MnNCl2 + 8 H2O + 5 Cl2
KNO2 + HCl = HNO2 + KCl =>
KNO2 + HCl = HNO2 + KCl
MgOH = H2O + Mg2O =>
2 MgOH = H2O + Mg2O
TiO2 + CO2 = Ti(CO3)2 =>
TiO2 + 2 CO2 = Ti(CO3)2
Mg{2+} + H2{-2} = MgH2 =>
Mg{2+} + H2{-2} = MgH2
Zn(s) + MoO3(s) = Mo2O3 + ZnO(s) =>
3 Zn(s) + 2 MoO3(s) = Mo2O3 + 3 ZnO(s)
Na2S2O3 + Cl2 + H2O = NaOH + H2SO4 + HCl =>
Na2S2O3 + 4 Cl2 + 7 H2O = 2 NaOH + 2 H2SO4 + 8 HCl
Zn(Cl)2 + H2O = ZnO + HCl =>
Zn(Cl)2 + H2O = ZnO + 2 HCl
Fe2(SO4)2 + KOH = FeOH + KSO4 =>
Fe2(SO4)2 + 2 KOH = 2 FeOH + 2 KSO4
Cu(s) + HCl(l) = CuCl + H2(g) =>
2 Cu(s) + 2 HCl(l) = 2 CuCl + H2(g)
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
BaCO3 + H{+} = Ba{2+} + CO2 + H2O =>
BaCO3 + 2 H{+} = Ba{2+} + CO2 + H2O
NH3 + CH3COOCH2CH3 = CH3CONH2 + CH3CH2OH =>
NH3 + CH3COOCH2CH3 = CH3CONH2 + CH3CH2OH
C2H5OH + Na2CO3 = C2H5ONa + H2O + CO2 =>
2 C2H5OH + Na2CO3 = 2 C2H5ONa + H2O + CO2
CaBr2 + Na2HPO4 = Na2Br2 + CaHPO4 =>
CaBr2 + Na2HPO4 = Na2Br2 + CaHPO4
C4H8O2 + SOCl2 = C4H7ClO + SO2 + HCl =>
C4H8O2 + SOCl2 = C4H7ClO + SO2 + HCl
K + S6 = K2S =>
12 K + S6 = 6 K2S
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