Équations équilibrées la veille |
2 H2 + O2 = 2 H2O
Ca(OH)2 + CH3CO2H = CaCH3CO2 + (OH)2H =>
Ca(OH)2 + CH3CO2H = CaCH3CO2 + (OH)2H
NH4NO3 + C7H5N3O6 = CO2 + H2O + N2 =>
21 NH4NO3 + 2 C7H5N3O6 = 14 CO2 + 47 H2O + 24 N2
H30C15O2 + O2 = H2O + CO2 =>
2 H30C15O2 + 43 O2 = 30 H2O + 30 CO2
Zn + H2CO3 = Zn2(CO3)2 + H2 =>
2 Zn + 2 H2CO3 = Zn2(CO3)2 + 2 H2
HCOOH + O2 = H2O + CO2 =>
2 HCOOH + O2 = 2 H2O + 2 CO2
Cr(NO3)3 + (NH4)2S = Cr2S3 + (NH4)(NO3) =>
2 Cr(NO3)3 + 3(NH4)2S = Cr2S3 + 6(NH4)(NO3)
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
CH3CH2OH(l) + O2 = CO2(g) + H2O =>
CH3CH2OH(l) + 3 O2 = 2 CO2(g) + 3 H2O
Sc2O3 + NH4Cl = ScCl3 + NH3 + H2O =>
Sc2O3 + 6 NH4Cl = 2 ScCl3 + 6 NH3 + 3 H2O
CuCl2 + K2CO3 = Cu(CO3) + KCl =>
CuCl2 + K2CO3 = Cu(CO3) + 2 KCl
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HCl + SnO = SnCl2 + H2O =>
2 HCl + SnO = SnCl2 + H2O
CaHNO2 = CaNO2H =>
CaHNO2 = CaNO2H
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
CuO + Al = Cu + Al2O3 =>
3 CuO + 2 Al = 3 Cu + Al2O3
N2O5 + H2O = HNO3 =>
N2O5 + H2O = 2 HNO3
ZnO(s) + CO(g) = Zn(s) + CO2 =>
ZnO(s) + CO(g) = Zn(s) + CO2
Na + Al2S3 = Al3 + Na2S =>
18 Na + 3 Al2S3 = 2 Al3 + 9 Na2S
NH4CH3COO + H2O = NH4(OH) + CH3COOH =>
NH4CH3COO + H2O = NH4(OH) + CH3COOH
NaOH + Cl2 = NaCl + NaClO3 + H2O =>
6 NaOH + 3 Cl2 = 5 NaCl + NaClO3 + 3 H2O
CH3COOH + LiAlH4 = CH3COH + Al(OH)3 + LiOH =>
4 CH3COOH + LiAlH4 = 4 CH3COH + Al(OH)3 + LiOH
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
K2Cr2O7 + Na2SO3 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + Na2SO4 =>
K2Cr2O7 + 3 Na2SO3 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 Na2SO4
CuCl2 + Ba(oh)2 = BaCl2 + Cu(oh)2 =>
2 CuCl2 + Ba(oh)2 = 2 BaCl2 + Cu(oh)2
K2Cr2O7 + H2SO4 + NiC2O4 = K2SO4 + Cr2(SO4)3 + Ni2(SO4)3 + H2O + CO2 =>
K2Cr2O7 + 7 H2SO4 + 2 NiC2O4 = K2SO4 + Cr2(SO4)3 + Ni2(SO4)3 + 7 H2O + 4 CO2
CaCl2 + NaNO3 = NaCa + NO3Cl2 =>
CaCl2 + NaNO3 = NaCa + NO3Cl2
Mg + H2SO4 = MgHSO4 + H =>
Mg + H2SO4 = MgHSO4 + H
NO3{-} + OH{-} + Al + H2O = NH3 + [Al(OH)6]{3-} =>
3 NO3{-} + 21 OH{-} + 8 Al + 18 H2O = 3 NH3 + 8[Al(OH)6]{3-}
NaHCO3(aq) + HC2H3O2(l) = NaC2H3O2(aq) + H2O(l) + CO2(g) =>
NaHCO3(aq) + HC2H3O2(l) = NaC2H3O2(aq) + H2O(l) + CO2(g)
Pb(No3)2(ac) + Na2S(ac) = PbS(s) + NaNo3(ac) =>
Pb(No3)2(ac) + Na2S(ac) = PbS(s) + 2 NaNo3(ac)
Ba(NO3)2(aq) + NiSO4(aq) = BaSO4(s) + Ni(NO3)2(aq) =>
Ba(NO3)2(aq) + NiSO4(aq) = BaSO4(s) + Ni(NO3)2(aq)
HP + OH = P + H2O =>
HP + OH = P + H2O
Cu(NO3)2 = Cu + NO2 + O3 =>
3 Cu(NO3)2 = 3 Cu + 6 NO2 + 2 O3
Na2I + H2SO4 + Mn2O3 = I2 + Na2SO4 + Mn2(SO4)2 + H2O =>
2 Na2I + 6 H2SO4 + 2 Mn2O3 = I2 + 2 Na2SO4 + 2 Mn2(SO4)2 + 6 H2O
Zn(NO3)2 + MnCl2 = ZnCl2 + Mn(NO3)2 =>
Zn(NO3)2 + MnCl2 = ZnCl2 + Mn(NO3)2
ClF + K + O2 = KF + KClO =>
2 ClF + 4 K + O2 = 2 KF + 2 KClO
O2 + KI + H2O = I2 + KOH =>
O2 + 4 KI + 2 H2O = 2 I2 + 4 KOH
NaOHFe(OH)3 = Na(OH)3FeOH =>
NaOHFe(OH)3 = Na(OH)3FeOH
FeSO4 + H2SO4 + NaNO2 = Fe2(SO4)3 + NO + Na2SO4 + H2O =>
2 FeSO4 + 2 H2SO4 + 2 NaNO2 = Fe2(SO4)3 + 2 NO + Na2SO4 + 2 H2O
C2Cl + HMg = CCl + HMgC =>
C2Cl + HMg = CCl + HMgC
(NH4)2CO3 + HI = (NH4)I + H2CO3 =>
(NH4)2CO3 + 2 HI = 2(NH4)I + H2CO3
NH3 + O2 = N2O + H2O =>
2 NH3 + 2 O2 = N2O + 3 H2O
NaOH + HCl = NaCl + H2O = =>
NaOH + HCl = NaCl + H2O
Fe(OH)3 + HClO = Fe(ClO)3 + H2O =>
Fe(OH)3 + 3 HClO = Fe(ClO)3 + 3 H2O
Al2O3 + Ca(OH)2 + H2O = Ca[Al(OH)4]2 =>
Al2O3 + Ca(OH)2 + 3 H2O = Ca[Al(OH)4]2
Na2S + H2SO4 = Na2SO4 + H2S =>
Na2S + H2SO4 = Na2SO4 + H2S
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