Équations équilibrées la veille |
2 CH3COCH3 + 2 NaCN + H2SO4 = 2(CH3)2C(CN)OH + Na2SO4
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
H2S + Cl2 = S8 + HCl =>
8 H2S + 8 Cl2 = S8 + 16 HCl
CuSO4 + Fe(ii) = FeSO4 + Cu =>
CuSO4 + Fe(ii) = FeSO4 + Cu
H2SiCl2 + H2O = H8Si4O4 + HCl =>
4 H2SiCl2 + 4 H2O = H8Si4O4 + 8 HCl
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
HI(ac) + Cu(NO3)2(ac) = CuI2 + HNO3 =>
2 HI(ac) + Cu(NO3)2(ac) = CuI2 + 2 HNO3
NaCl + K2S = NaS + K2Cl =>
NaCl + K2S = NaS + K2Cl
MnCl4 + H2O = Mn(OH)4 + HCl =>
MnCl4 + 4 H2O = Mn(OH)4 + 4 HCl
MnS + HBr = MnBr2 + H2S =>
MnS + 2 HBr = MnBr2 + H2S
KHSO4 + HBr = KBr + H2SO4 =>
KHSO4 + HBr = KBr + H2SO4
PbO + NaOH = Na2PbO2 + H2O =>
PbO + 2 NaOH = Na2PbO2 + H2O
NH4H2PO4 = NH3 + H2O + HPO3 =>
NH4H2PO4 = NH3 + H2O + HPO3
HCOOK + H2SO4 = KHSO4 + CO2 + SO2 + H2O =>
HCOOK + 2 H2SO4 = KHSO4 + CO2 + SO2 + 2 H2O
C5H9OH + KMnO4 + H2SO4 = C4H9COOH + K2SO4 + MnSO4 + H2O =>
5 C5H9OH + 2 KMnO4 + 3 H2SO4 = 5 C4H9COOH + K2SO4 + 2 MnSO4 + 3 H2O
Pb(CN)2 + H2O = PbO + H2(CN)2 =>
Pb(CN)2 + H2O = PbO + H2(CN)2
(CH3)3NHBr + H2O = (CH3)3NBr + H3O =>
(CH3)3NHBr + H2O = (CH3)3NBr + H3O
Si2H3 + O2 = SiO2 + H2O =>
4 Si2H3 + 11 O2 = 8 SiO2 + 6 H2O
K2OH + H2SO4 = K2SO4 + H2O + H2 =>
2 K2OH + 2 H2SO4 = 2 K2SO4 + 2 H2O + H2
H3BO3AlOH = AlBO3H3OH =>
H3BO3AlOH = AlBO3H3OH
Na + N2 = Na3N2 =>
3 Na + N2 = Na3N2
CuOH2 + CaO = CuO + CaOH =>
CuOH2 + 2 CaO = CuO + 2 CaOH
Na2S + Br2 = Br2S + Na2 =>
Na2S + Br2 = Br2S + Na2
Na2SO4 + KCl = NaCl + K2SO4 =>
Na2SO4 + 2 KCl = 2 NaCl + K2SO4
Na2S = Na + S =>
Na2S = 2 Na + S
Pb(OH)2 + HCl = PbCl2 + H2O =>
Pb(OH)2 + 2 HCl = PbCl2 + 2 H2O
CH3OHKCl = KOHCH3Cl =>
CH3OHKCl = KOHCH3Cl
CH3Cl + Na + ClCH2CH3 = CH3CH2CH3 + NaCl =>
CH3Cl + 2 Na + ClCH2CH3 = CH3CH2CH3 + 2 NaCl
Cu + Na(OH) = CuNaOH =>
Cu + Na(OH) = CuNaOH
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
HSiCl3 + H2O = H10Si10O15 + HCl =>
10 HSiCl3 + 15 H2O = H10Si10O15 + 30 HCl
(NH2)2CS + KBrO3 + H2O = (NH2)2CO + H2SO4 + KBr =>
3(NH2)2CS + 4 KBrO3 + 3 H2O = 3(NH2)2CO + 3 H2SO4 + 4 KBr
HClO4 + Na2SO3 = NaClO4 + H2O + SO2 =>
2 HClO4 + Na2SO3 = 2 NaClO4 + H2O + SO2
Al2O3 + BeO = Al2BeO4 =>
Al2O3 + BeO = Al2BeO4
MgCl2 + Ca(OH)2 = Mg(OH)2 + CaCl2 =>
MgCl2 + Ca(OH)2 = Mg(OH)2 + CaCl2
HCI + KOH = H2O + KCI =>
HCI + KOH = H2O + KCI
S + H3PO4 = H2SO4 + P2O3 + H2O =>
2 S + 6 H3PO4 = 2 H2SO4 + 3 P2O3 + 7 H2O
C2H5OH = C6H12 + H2O =>
3 C2H5OH = C6H12 + 3 H2O
LiClO4 + NaCl = NaClO + LiCl =>
LiClO4 + 4 NaCl = 4 NaClO + LiCl
S + Al = Al(S3) =>
3 S + Al = Al(S3)
MgCl2 + Ca(OH)2 = Mg(OH)2 + CaCl2 =>
MgCl2 + Ca(OH)2 = Mg(OH)2 + CaCl2
MnHI = MnIH =>
MnHI = MnIH
(NH4)2SO4 + NaOH = Na2SO4 + H2O(NH3) =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 H2O(NH3)
EuSO4 + KBrO3 + H2O = Eu2(SO4)3 + KBr + Eu(OH) =>
18 EuSO4 + KBrO3 + 3 H2O = 6 Eu2(SO4)3 + KBr + 6 Eu(OH)
HOC(CH2COOH)2COOHNaOH = H2OHOC(CH2COOH)2COONa =>
HOC(CH2COOH)2COOHNaOH = H2OHOC(CH2COOH)2COONa
CuSO4 + KI + Na2S2O3 + H2O = CuI + Na2SO4 + K2SO4 + H2SO4 =>
8 CuSO4 + 8 KI + Na2S2O3 + 5 H2O = 8 CuI + Na2SO4 + 4 K2SO4 + 5 H2SO4
Na2SO3 + HNO3 = NaNO3 + (H)2SO3 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + (H)2SO3
Zr + N2 = ZrN =>
2 Zr + N2 = 2 ZrN
Fe(OH)2 + H2O + O2 = Fe(OH)33 =>
4 Fe(OH)2 + 62 H2O + 31 O2 = 4 Fe(OH)33
()CaO + ()HCl = ()CaCl2 + ()H2O =>
()CaO + 2()HCl = ()CaCl2 + ()H2O
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