| Équations équilibrées la veille |
8 FeS2 + 54 HNO3 = 8 Fe(NO3)3 + 16 H2SO4 + 15 N2O + 11 H2O
Zn + NO3{-} + H{+} = Zn{2+} + NO2 + H2O =>
Zn + 2 NO3{-} + 4 H{+} = Zn{2+} + 2 NO2 + 2 H2O
Pb + HCH3COO = PbO + CH3CHO =>
Pb + HCH3COO = PbO + CH3CHO
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Cr2O3 + KClO + KOH = K1CrO4 + KCl + H2O =>
Cr2O3 + 4 KClO + 2 KOH = 2 K1CrO4 + 4 KCl + H2O
NaOH + CuSO4 = Cu(OH)2 + Na2SO4 =>
2 NaOH + CuSO4 = Cu(OH)2 + Na2SO4
AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + KNO3 =>
2 AgNO3 + K2Cr2O7 = Ag2CrO4 + CrO3 + 2 KNO3
Li2O + Be(OH)2 = Li2BeO2 + H2O =>
Li2O + Be(OH)2 = Li2BeO2 + H2O
Fe + PbO = FeO + Pb =>
Fe + PbO = FeO + Pb
KBr + Mg3P2 = K3P + MgBr2 =>
6 KBr + Mg3P2 = 2 K3P + 3 MgBr2
BrCH2CH2CH2Br = CH2CHCH2Br + HBr =>
BrCH2CH2CH2Br = CH2CHCH2Br + HBr
H2SO4 + Mg = Mg2(SO4) + H2 =>
H2SO4 + 2 Mg = Mg2(SO4) + H2
K2CO3 + Ba(NO3)2 = BaCO3 + K2(NO3)2 =>
K2CO3 + Ba(NO3)2 = BaCO3 + K2(NO3)2
Mg + H2SO = MgSO + H =>
Mg + H2SO = MgSO + 2 H
SO3 + KNO2 = K2SO3 + NO2 =>
SO3 + 2 KNO2 = K2SO3 + 2 NO2
CH3CO2{-} + NH4{+} = CH3CO2H + NH3 =>
CH3CO2{-} + NH4{+} = CH3CO2H + NH3
SnS + HNO3 + H2O = H2SnO3 + H2SO4 + NO =>
3 SnS + 10 HNO3 + H2O = 3 H2SnO3 + 3 H2SO4 + 10 NO
BeCl2 + O2 = Be(ClO3)2 =>
BeCl2 + 3 O2 = Be(ClO3)2
NaNo3 + O2 = NaO2 + No3 =>
NaNo3 + O2 = NaO2 + No3
BeCl2 + O2 = Be(ClO3)2 =>
BeCl2 + 3 O2 = Be(ClO3)2
Po4 = Po2 =>
Po4 = 2 Po2
Fe + CrSO4 = FeSO4 + Cr =>
Fe + CrSO4 = FeSO4 + Cr
CuBr2 + K2SO4 = CuSO4 + KBr =>
CuBr2 + K2SO4 = CuSO4 + 2 KBr
Fe + P13 = Fe2P10 =>
26 Fe + 10 P13 = 13 Fe2P10
CH2CHCOOH + NaOH = CH2CHCOONa + H2O =>
CH2CHCOOH + NaOH = CH2CHCOONa + H2O
C2H6(g) + O2(g) = H2O + CO2(g) =>
2 C2H6(g) + 7 O2(g) = 6 H2O + 4 CO2(g)
K2S + AlCl3 = KCl + Al2S3 =>
3 K2S + 2 AlCl3 = 6 KCl + Al2S3
Fe2Cl3 + SnCl = FeCl + Sn2Cl4 =>
2 Fe2Cl3 + 2 SnCl = 4 FeCl + Sn2Cl4
HClO + NaOH = NaClO + HOH =>
HClO + NaOH = NaClO + HOH
Al2O3 + CaO = Al2(CaO2)3 =>
Al2O3 + 3 CaO = Al2(CaO2)3
K2SO4 + KOH = K + SO2 + HO4 =>
3 K2SO4 + 2 KOH = 8 K + 3 SO2 + 2 HO4
CH3CH2OH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CH2OH + 2 K2Cr2O7 + 8 H2SO4 = 3 CH3COOH + 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O
Zn + Fe2(SO4) = Fe + Zn(SO4) =>
Zn + Fe2(SO4) = 2 Fe + Zn(SO4)
Mg + (OH)2 = MgO + H2O =>
Mg + (OH)2 = MgO + H2O
H2CO3 + Mg(OH)2 = H2O + CO3Mg =>
H2CO3 + Mg(OH)2 = 2 H2O + CO3Mg
Pb(HCO3)2 + H2SO4 = PbSO4 + CO2 + H2O =>
Pb(HCO3)2 + H2SO4 = PbSO4 + 2 CO2 + 2 H2O
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CH3CH2OH + Cr2O72{-} + H{+} = CH3COOH + Cr3{+} + H2O =>
427 CH3CH2OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3COOH + 8 Cr3{+} + 437 H2O
Ta2O5 + CCl4 = TaCl5 + COCl2 =>
Ta2O5 + 5 CCl4 = 2 TaCl5 + 5 COCl2
CrI2 + KOH + Cl2 = K2CrO4 + KIO2 + KCl + H2O =>
CrI2 + 16 KOH + 6 Cl2 = K2CrO4 + 2 KIO2 + 12 KCl + 8 H2O
CaSO3(t) = CaO + SO2 =>
CaSO3(t) = CaO + SO2
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
Cr(OH)3 + NaClO + KOH = KCrO4 + H2O + NaCl =>
Cr(OH)3 + 2 NaClO + KOH = KCrO4 + 2 H2O + 2 NaCl
FeN2 = Fe + N2 =>
FeN2 = Fe + N2
Na2CO3(s) + H2SO4(ac) = H2O(l) + CO2(g) + Na2SO4(ac) =>
Na2CO3(s) + H2SO4(ac) = H2O(l) + CO2(g) + Na2SO4(ac)
Na2CO3MgSO4 = MgCO3Na2SO4 =>
Na2CO3MgSO4 = MgCO3Na2SO4
H2O + KCl = Cl2 + H2 + KOH =>
2 H2O + 2 KCl = Cl2 + H2 + 2 KOH
C3H7Br + NaOH = C3H7OH + NaBr =>
C3H7Br + NaOH = C3H7OH + NaBr
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4* =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4*
CH3CCH3OHCH3 + HBr = CH3CHBrCH3 + H2O =>
3 CH3CCH3OHCH3 + 4 HBr = 4 CH3CHBrCH3 + 3 H2O
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