| Équations équilibrées la veille |
5 K3PO4 + 3 WCl5 = 15 KCl + W3(PO4)5
CH3CH2OH + MnO4 + H2SO4 = CH3COH + MnSO4 + H2O =>
3 CH3CH2OH + MnO4 + H2SO4 = 3 CH3COH + MnSO4 + 4 H2O
CuCl2 + KCN = KCu(CN)2 + (CN)2 + KCl =>
2 CuCl2 + 6 KCN = 2 KCu(CN)2 + (CN)2 + 4 KCl
CS2 + CO2 = C + SO2 =>
CS2 + 2 CO2 = 3 C + 2 SO2
Na[Zn(OH)3] + H2SO4 = Zn(OH)2 + Na2SO4 + H2O =>
2 Na[Zn(OH)3] + H2SO4 = 2 Zn(OH)2 + Na2SO4 + 2 H2O
SnCl2 + KMnO4 + HCl = H2[SnCl6] + MnCl2 + KCl + H2O =>
5 SnCl2 + 2 KMnO4 + 26 HCl = 5 H2[SnCl6] + 2 MnCl2 + 2 KCl + 8 H2O
S + BaO = BaS + O2 =>
2 S + 2 BaO = 2 BaS + O2
C3H7OH + [Cr2O7]2{-} + H{+} = Cr3{+} + CH3COCH3 + H2O =>
77 C3H7OH + 6[Cr2O7]2{-} + 14 H{+} = 8 Cr3{+} + 77 CH3COCH3 + 84 H2O
HgCl2 + NH3 = HgNH3 + NH3Cl =>
HgCl2 + 3 NH3 = HgNH3 + 2 NH3Cl
OF2 + Cu = CuF2 + O2 =>
2 OF2 + 2 Cu = 2 CuF2 + O2
HCl + K2CrO4 + KI = I2 + CrO2 + KCl + H2O =>
4 HCl + K2CrO4 + 2 KI = I2 + CrO2 + 4 KCl + 2 H2O
NaHCO3 + MgCl2 = NaCl + MgCO3 + H2O + CO2 =>
2 NaHCO3 + MgCl2 = 2 NaCl + MgCO3 + H2O + CO2
H2S + KOH = HOH + K2S =>
H2S + 2 KOH = 2 HOH + K2S
BaCO3 + H3Po4 = Ba3(Po4)2 + CO2 + H2O =>
3 BaCO3 + 2 H3Po4 = Ba3(Po4)2 + 3 CO2 + 3 H2O
NH4CNO = NH2CONH2 =>
NH4CNO = NH2CONH2
Cu + Na2S = Na + CuS =>
Cu + Na2S = 2 Na + CuS
SO3 + P = P2O5 + S =>
5 SO3 + 6 P = 3 P2O5 + 5 S
HNO3 + K = H2O + N2 + KNO3 =>
12 HNO3 + 10 K = 6 H2O + N2 + 10 KNO3
K2S = K + S8 =>
8 K2S = 16 K + S8
C6H7N + Br2 = C6H4Br3N + HBr =>
C6H7N + 3 Br2 = C6H4Br3N + 3 HBr
KMnO4 + H2(SO4) + NH3 = HNO3 + K2(SO4) + Mn(SO4) + H2O =>
8 KMnO4 + 12 H2(SO4) + 5 NH3 = 5 HNO3 + 4 K2(SO4) + 8 Mn(SO4) + 17 H2O
K2CO3(aq) + HClO4(aq) = KClO4 + CO2 + H2O =>
K2CO3(aq) + 2 HClO4(aq) = 2 KClO4 + CO2 + H2O
MnBr2 + Na2CO3 = MnCO3 + Na2Br2 =>
MnBr2 + Na2CO3 = MnCO3 + Na2Br2
Na2Cr2O7 + K2S + H2O = NaCrO2 + KOH + S =>
Na2Cr2O7 + 3 K2S + 3 H2O = 2 NaCrO2 + 6 KOH + 3 S
PbO + S = PbS + SO2 =>
2 PbO + 3 S = 2 PbS + SO2
MgOHCl + HNO3 = MgClNO3 + H2O =>
MgOHCl + HNO3 = MgClNO3 + H2O
Zn + NaNO3 + NaOH = Na2ZnO2 + NH3 + H2O =>
4 Zn + NaNO3 + 7 NaOH = 4 Na2ZnO2 + NH3 + 2 H2O
Al2O3 + Sr = Al + SrO =>
Al2O3 + 3 Sr = 2 Al + 3 SrO
[Co(H2O)6]{2+} + NH3 + Cl{-} + H2O2 = (Co(NH3)6)Cl3 + H2O + OH{-} =>
2[Co(H2O)6]{2+} + 12 NH3 + 6 Cl{-} + H2O2 = 2(Co(NH3)6)Cl3 + 12 H2O + 2 OH{-}
CuCl + HCl = CuCl2 + H2 =>
2 CuCl + 2 HCl = 2 CuCl2 + H2
MnCO3 + HCOOH + H2O = Mn(COOH)2*2H2O + CO2 =>
MnCO3 + 2 HCOOH + H2O = Mn(COOH)2*2H2O + CO2
Be(OH)2 + KOH = K2[Be(OH)4] =>
Be(OH)2 + 2 KOH = K2[Be(OH)4]
Mo + KOH + KNO3 = K2MoO2 + KNO2 + H2O =>
Mo + 2 KOH + KNO3 = K2MoO2 + KNO2 + H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
NaI + S = Na2S + I2 =>
2 NaI + S = Na2S + I2
C3H7Br + Na + CH3Br = NaBr + C4H11 =>
C3H7Br + 6 Na + 5 CH3Br = 6 NaBr + 2 C4H11
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
NaCO3 + HOH = NaOH + CO3H =>
NaCO3 + HOH = NaOH + CO3H
HClO3 + KI = HI + KClO3 =>
HClO3 + KI = HI + KClO3
HClO3 + KI + H2SO4 = I2 + KCl + K2SO4 + H2O =>
2 HClO3 + 12 KI + 5 H2SO4 = 6 I2 + 2 KCl + 5 K2SO4 + 6 H2O
Ag + FeSO4 = Ag(SO4)2 + Fe =>
Ag + 2 FeSO4 = Ag(SO4)2 + 2 Fe
Al + NaOH + H2O = Na[Al(OH)4(H2O)] + H2 =>
2 Al + 2 NaOH + 8 H2O = 2 Na[Al(OH)4(H2O)] + 3 H2
Al(s) + KOH(aq) + H2SO4(aq) + H2O(l) = KAl(SO4)2*12H2O(s) + H2 =>
2 Al(s) + 2 KOH(aq) + 4 H2SO4(aq) + 22 H2O(l) = 2 KAl(SO4)2*12H2O(s) + 3 H2
CuCl2(s) = Cu(s) + Cl2(l) =>
CuCl2(s) = Cu(s) + Cl2(l)
S(g) + C(s) = CS2 =>
2 S(g) + C(s) = CS2
MnCl2 + NaClO + NaOH = NaMnO4 + NaCl + H2O =>
2 MnCl2 + 5 NaClO + 6 NaOH = 2 NaMnO4 + 9 NaCl + 3 H2O
Cd + H2 = Cd2H2 =>
2 Cd + H2 = Cd2H2
Na2ClO3 + HCl = NaCl + H2ClO3 =>
Na2ClO3 + 2 HCl = 2 NaCl + H2ClO3
CH3NH3NO3 = CO2 + N2 + H2 + H2O =>
CH3NH3NO3 = CO2 + N2 + 2 H2 + H2O
HCl + Hg2S = H2S + HgCl =>
2 HCl + Hg2S = H2S + 2 HgCl
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Équations équilibrées sur11/23/24
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