| Équations équilibrées la veille |
HClO4 + 2 P2O3 + 6 H2O = HCl + 4 H3PO4
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
Na2SeO3 + H2O = NaOH + NaHSeO3 =>
Na2SeO3 + H2O = NaOH + NaHSeO3
ZnS + NH4Cl + H2O2 = ZnO + (NH4)2SO4 + H2 + Cl2 =>
2 ZnS + 4 NH4Cl + 5 H2O2 = 2 ZnO + 2(NH4)2SO4 + 5 H2 + 2 Cl2
Cr(NO3)3 + NaOH + H2O2 = Na2CrO4 + HNO3 + H2O =>
2 Cr(NO3)3 + 4 NaOH + 3 H2O2 = 2 Na2CrO4 + 6 HNO3 + 2 H2O
HCl + Ba(NO3)2 = Ba(HCl)2 + NO3 =>
2 HCl + Ba(NO3)2 = Ba(HCl)2 + 2 NO3
(NH4)3MoO4 + HNO3 + H3PO4 = (NH4)3PMo12O40*H2O + NH4NO3 + H2O =>
24(NH4)3MoO4 + 72 HNO3 + 2 H3PO4 = 2(NH4)3PMo12O40*H2O + 69 NH4NO3 + 31 H2O
Al(t) + Fe2O3(t) = Al2O3(t) + Fe(t) =>
2 Al(t) + Fe2O3(t) = Al2O3(t) + 2 Fe(t)
NaOH + Cl2 + HIO3 = NaClO + H2O + NaI =>
7 NaOH + 3 Cl2 + HIO3 = 6 NaClO + 4 H2O + NaI
Al + Fe3(O)4 = Fe + Al2(O)3 =>
8 Al + 3 Fe3(O)4 = 9 Fe + 4 Al2(O)3
CuFeS2 + O2 = SO2 + CuO + FeO =>
CuFeS2 + 3 O2 = 2 SO2 + CuO + FeO
MgSO4 + NaBr = MgBr2 + Na2SO4 =>
MgSO4 + 2 NaBr = MgBr2 + Na2SO4
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
H2S + O2 = H2O + S =>
2 H2S + O2 = 2 H2O + 2 S
Ca(C2H3O2)2 + Na2CO3 = CaCO3 + NaC2H3O2 =>
Ca(C2H3O2)2 + Na2CO3 = CaCO3 + 2 NaC2H3O2
HNO2 + K2O = H2O + KNO2 =>
2 HNO2 + K2O = H2O + 2 KNO2
Cr + CoSO4 = CrSO4 + Co =>
Cr + CoSO4 = CrSO4 + Co
C2H4 + O2CO2 + H2O = CH3COOH =>
4 C2H4 + 2 O2CO2 + 2 H2O = 5 CH3COOH
H2SO4 + Cu2O = CuSO4 + Cu + H2O =>
H2SO4 + Cu2O = CuSO4 + Cu + H2O
XCaCO3 = XCaO + CO2 =>
XCaCO3 = XCaO + CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CO2(CO3)3(s) = CO2O3(s) + CO2 =>
CO2(CO3)3(s) = CO2O3(s) + 3 CO2
BaSO4CuS = BaSCu(SO4) =>
BaSO4CuS = BaSCu(SO4)
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
CaBr2 + K2CO3 = CaCO3 + KBr =>
CaBr2 + K2CO3 = CaCO3 + 2 KBr
Ca + O = CaO =>
Ca + O = CaO
CH3CCH + KMnO4 + KOH = K2MnO4 + CHCCOOK + H2O =>
CH3CCH + 6 KMnO4 + 7 KOH = 6 K2MnO4 + CHCCOOK + 5 H2O
AgNO3 + Na2 + SO4 = Ag2SO4 + Na2NO3 =>
2 AgNO3 + 2 Na2 + SO4 = Ag2SO4 + 2 Na2NO3
I + C + N = ICN =>
I + C + N = ICN
Be + H2O = Be(H2O)4 =>
Be + 4 H2O = Be(H2O)4
Al(ClO3)3 + K2S = Al2S3 + KClO3 =>
2 Al(ClO3)3 + 3 K2S = Al2S3 + 6 KClO3
O3 + NaI + H2O = I2 + NaOH =>
O3 + 6 NaI + 3 H2O = 3 I2 + 6 NaOH
Sn + Cd(NO3)2 = Sn(NO3) + Cd =>
2 Sn + Cd(NO3)2 = 2 Sn(NO3) + Cd
Na2SeO3 + H2O = SeO2 + NaOH =>
Na2SeO3 + H2O = SeO2 + 2 NaOH
Na2SeO3 + H2O = H2SeO3 + NaOH =>
Na2SeO3 + 2 H2O = H2SeO3 + 2 NaOH
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
NaMnO4 + NaNO2 + H2O = NaNO3 + MnO2 + NaOH =>
2 NaMnO4 + 3 NaNO2 + H2O = 3 NaNO3 + 2 MnO2 + 2 NaOH
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
(COOH)2 = HCOOH + CO2 =>
(COOH)2 = HCOOH + CO2
(COOH)2 = CO2 + H =>
(COOH)2 = 2 CO2 + 2 H
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
KOH + HNO2 = KNO3 + H2 =>
KOH + HNO2 = KNO3 + H2
(COOH)2 = CO2 + H{+} + e =>
(COOH)2 = 2 CO2 + 2 H{+} + 2e
(COOH)2 = H{+} + COO{-} =>
(COOH)2 = 2 H{+} + 2 COO{-}
(COOH)2 = CO + CO2 + H2O =>
(COOH)2 = CO + CO2 + H2O
HClO4 + P2O3 + H2O = HCl + H3PO4 =>
HClO4 + 2 P2O3 + 6 H2O = HCl + 4 H3PO4
KCI + O2 = KCIO3 =>
2 KCI + 3 O2 = 2 KCIO3
LiSi2N3 + LaF3 = LaSi6N9 + LiF =>
3 LiSi2N3 + LaF3 = LaSi6N9 + 3 LiF
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
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Équations équilibrées sur11/17/24
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