| Équations équilibrées la veille |
2 HNO3(aq) + 3 H2S(g) = 2 NO(g) + 4 H2O(g) + 3 S(s)
NO + H2O = NH3 + O2 =>
4 NO + 6 H2O = 4 NH3 + 5 O2
CH3{-}CH2{-}OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{+3} + H2O =>
6 CH3{-}CH2{-}OH + 4 Cr2O7{-2} + 38 H{+} = 3 CH3COOH + 8 Cr{+3} + 22 H2O
HNO3 + Mg(C2H3O2)2 = HC2H3O2 + Mg(NO3)2 =>
2 HNO3 + Mg(C2H3O2)2 = 2 HC2H3O2 + Mg(NO3)2
Sn(s) + CuSO4(aq) = SnSO4 + Cu =>
Sn(s) + CuSO4(aq) = SnSO4 + Cu
O2 + S{2-} = O2{2-} + S{-} =>
O2 + 2 S{2-} = O2{2-} + 2 S{-}
C32H20N4Na2O8S2 + O2 = CO2 + H2O + Na + S + N2 =>
C32H20N4Na2O8S2 + 33 O2 = 32 CO2 + 10 H2O + 2 Na + 2 S + 2 N2
C4H9OH + KMnO4 + H2SO4 = C4H7OOH + K2SO4 + MnSO4 + H2O =>
5 C4H9OH + 4 KMnO4 + 6 H2SO4 = 5 C4H7OOH + 2 K2SO4 + 4 MnSO4 + 11 H2O
CH3OH + H2 = C3H8 + H2O =>
3 CH3OH + H2 = C3H8 + 3 H2O
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
H3PO4 + (NH4)6Mo7O24 + HNO3 = (NH4)3(PMo12O40) + (NH4)2NO4 + H2O =>
35 H3PO4 + 60(NH4)6Mo7O24 + 153 HNO3 = 35(NH4)3(PMo12O40) + 136(NH4)2NO4 + 95 H2O
BaCl2 + NH4Br = NH4Cl + BaBr2 =>
BaCl2 + 2 NH4Br = 2 NH4Cl + BaBr2
Y(NO3)3 + CH4N2O = Y2O3 + NO2 + CO2 + H2O =>
14 Y(NO3)3 + 3 CH4N2O = 7 Y2O3 + 48 NO2 + 3 CO2 + 6 H2O
HNO3 + N2H4 = N2 + H2O =>
4 HNO3 + 5 N2H4 = 7 N2 + 12 H2O
O2 + Na = Na2O =>
O2 + 4 Na = 2 Na2O
HO + Cl = HCl + O =>
HO + Cl = HCl + O
Fe(OH)3(aq) + HNO3(aq) = Fe(NO3)3 + H2O =>
Fe(OH)3(aq) + 3 HNO3(aq) = Fe(NO3)3 + 3 H2O
H8N8CeO18 + ZrH2 = ZrO2 + H2O + N2 + CeO2 =>
H8N8CeO18 + 4 ZrH2 = 4 ZrO2 + 8 H2O + 4 N2 + CeO2
K3[Fe(CN)6] + Mn(NO3)2 = Mn3[Fe(CN)6]2 + KNO3 =>
2 K3[Fe(CN)6] + 3 Mn(NO3)2 = Mn3[Fe(CN)6]2 + 6 KNO3
HO2CCO2H + NaOH = NaO2CCO2Na + H2O =>
HO2CCO2H + 2 NaOH = NaO2CCO2Na + 2 H2O
HOH = H2O =>
HOH = H2O
HOOCCOOH + NaOH = Na2OOCCOO + H2O =>
HOOCCOOH + 2 NaOH = Na2OOCCOO + 2 H2O
AuS3(s) + H2(g) = Au(s) + H2S(g) =>
AuS3(s) + 3 H2(g) = Au(s) + 3 H2S(g)
MgO(s) + Si(s) = Mg2Si(s) + SiO(s) =>
2 MgO(s) + 3 Si(s) = Mg2Si(s) + 2 SiO(s)
Zn + BaI2 = ZnI + Ba =>
2 Zn + BaI2 = 2 ZnI + Ba
Fe(C2H3O2)3 + HgI2 = Hg(C2H3O2)2 + FeI3 =>
2 Fe(C2H3O2)3 + 3 HgI2 = 3 Hg(C2H3O2)2 + 2 FeI3
Mg(OH)2 + H2SO4 = MgSO4 + H2O =>
Mg(OH)2 + H2SO4 = MgSO4 + 2 H2O
HS(g) + O2(g) = SO2(g) + H2O(g) =>
4 HS(g) + 5 O2(g) = 4 SO2(g) + 2 H2O(g)
C + O2 = CO2 =>
C + O2 = CO2
CaCO3 + Al2O3 + SiO2 + CeO2 = Ca2Al2SiO7Ce + CO2 + O2 =>
2 CaCO3 + Al2O3 + SiO2 + CeO2 = Ca2Al2SiO7Ce + 2 CO2 + O2
He + N2 = HeN =>
2 He + N2 = 2 HeN
Hf + C = HfC =>
Hf + C = HfC
Cu2SO4 + FeCl3 = Cu2Cl + Fe(SO4)3 =>
3 Cu2SO4 + FeCl3 = 3 Cu2Cl + Fe(SO4)3
CrO2 + HCl = CrCl2 + H2O + Cl =>
CrO2 + 4 HCl = CrCl2 + 2 H2O + 2 Cl
H2SO4 + KOH = H2O + K2SO4 =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
Sn + AuNO3 = Sn(NO3)2 + Au =>
Sn + 2 AuNO3 = Sn(NO3)2 + 2 Au
Hg(NO3)2 + K2CrO4 = Hg(CrO4) + KNO3 =>
Hg(NO3)2 + K2CrO4 = Hg(CrO4) + 2 KNO3
Cu3P2 + ClH2 = CuCl + P2H6 =>
Cu3P2 + 3 ClH2 = 3 CuCl + P2H6
Ba(OH)2 + CO = Ba(OH)2CO =>
Ba(OH)2 + CO = Ba(OH)2CO
(NH4)3PO4(aq) + Na2SO4(aq) = Na3(PO4) + (NH4)2SO4 =>
2(NH4)3PO4(aq) + 3 Na2SO4(aq) = 2 Na3(PO4) + 3(NH4)2SO4
Cs(s) + H2O(l) = CsOH(s) + H2(g) =>
2 Cs(s) + 2 H2O(l) = 2 CsOH(s) + H2(g)
Rh2O3 + CO = Rh + CO2 =>
Rh2O3 + 3 CO = 2 Rh + 3 CO2
C12H22O11 + KNO3 = H2O + N2 + CO + K2CO3 =>
C12H22O11 + 6 KNO3 = 11 H2O + 3 N2 + 9 CO + 3 K2CO3
Hg + NaOH = HgO + H2O + Na =>
Hg + 2 NaOH = HgO + H2O + 2 Na
Hg2(NO3)2 + KBr = Hg2Br2 + KNO3 =>
Hg2(NO3)2 + 2 KBr = Hg2Br2 + 2 KNO3
C13H10O + BH4 + C2H5OH = C13H12O + H3BO3 =>
173 C13H10O + 22 BH4 + 78 C2H5OH = 185 C13H12O + 22 H3BO3
RbF(aq) + CuS04(aq) = Rb2S04 + CuF2 =>
2 RbF(aq) + CuS04(aq) = Rb2S04 + CuF2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
I + F = IF3 =>
I + 3 F = IF3
Mg(NO3)2 + Al = Al(NO3)3 + Mg =>
3 Mg(NO3)2 + 2 Al = 2 Al(NO3)3 + 3 Mg
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