| Équations équilibrées la veille |
HSO4{-} + H2O = SO4{-} + H3O
FeCl2 + NaBH4 + H2O = Fe + NaCl + B(OH)3 + H2 =>
FeCl2 + 2 NaBH4 + 6 H2O = Fe + 2 NaCl + 2 B(OH)3 + 7 H2
CNa2O3 + H2SO4 = Na2SO4 + CO2 + H2O =>
CNa2O3 + H2SO4 = Na2SO4 + CO2 + H2O
Cr(SO4) + HIO + H2SO4 = Cr2(SO4)3 + CrI3 + H2O =>
12 Cr(SO4) + 6 HIO + 3 H2SO4 = 5 Cr2(SO4)3 + 2 CrI3 + 6 H2O
Cu + MgCl2 = Cl2Cu + Mg =>
Cu + MgCl2 = Cl2Cu + Mg
H2SO4 + AgNO3 = Ag2SO4 + HNO3 =>
H2SO4 + 2 AgNO3 = Ag2SO4 + 2 HNO3
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
Hg(NO3)2 + Na2(SO4) = Hg(SO4) + Na(NO3) =>
Hg(NO3)2 + Na2(SO4) = Hg(SO4) + 2 Na(NO3)
CH3ONa + CH3CH2CH2CH2Br = CH3OCH2CH2CH2CH3 + NaBr =>
CH3ONa + CH3CH2CH2CH2Br = CH3OCH2CH2CH2CH3 + NaBr
Ca(OH)2 + KHC8H4O4 = Ca(KC8H4O4)2 + H2O =>
Ca(OH)2 + 2 KHC8H4O4 = Ca(KC8H4O4)2 + 2 H2O
MgOSO3 = MgSO4 =>
MgOSO3 = MgSO4
NaCO3 + SrCl = NaCl + SrCO3 =>
NaCO3 + SrCl = NaCl + SrCO3
Ni + H3PO4 = Ni3PO4 + H2 =>
6 Ni + 2 H3PO4 = 2 Ni3PO4 + 3 H2
Ca(OH)2Mg(HCO3)2 = Mg(OH)2Ca(HCO3)2 =>
Ca(OH)2Mg(HCO3)2 = Mg(OH)2Ca(HCO3)2
Mg3N2 + H2O = Mg(OH)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH)2 + 2 NH3
Ni + H3PO4 = NiPO4 + H =>
Ni + H3PO4 = NiPO4 + 3 H
Co(OH)2 + N2O3 = Co(NO2)2 + H2O =>
Co(OH)2 + N2O3 = Co(NO2)2 + H2O
Ni + H3PO4 = Ni(PO4)2 + H2 =>
Ni + 2 H3PO4 = Ni(PO4)2 + 3 H2
CO + H2 + NH3 = C5H8N5O(guanine) + H2O =>
10 CO + H2 + 10 NH3 = 2 C5H8N5O(guanine) + 8 H2O
Ni + H3PO4 = NiPO4 + H2 =>
2 Ni + 2 H3PO4 = 2 NiPO4 + 3 H2
Ni + H3PO4 = NiPO4 + H3 =>
Ni + H3PO4 = NiPO4 + H3
MnSO4 + Na2S2O8 + H2O = NaMnO4 + H2SO4 + Na2SO4 =>
2 MnSO4 + 5 Na2S2O8 + 8 H2O = 2 NaMnO4 + 8 H2SO4 + 4 Na2SO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
PCl3 + WO3 = P2O3 + WCl6 =>
2 PCl3 + WO3 = P2O3 + WCl6
NI + H3PO4 = NIPO4 + H2 =>
2 NI + 2 H3PO4 = 2 NIPO4 + 3 H2
(SO3){2-} + Cl2 + H2O = (SO4){2-} + Cl{-} + H{+} =>
(SO3){2-} + Cl2 + H2O = (SO4){2-} + 2 Cl{-} + 2 H{+}
KMnO4 + Na2C2O4 + H2SO4 = K2SO4 + CO2 + MnSO4 + Na2SO4 + H2O =>
2 KMnO4 + 5 Na2C2O4 + 8 H2SO4 = K2SO4 + 10 CO2 + 2 MnSO4 + 5 Na2SO4 + 8 H2O
Na2SO3 + HNO3 = NaNO3 + H2SO3 =>
Na2SO3 + 2 HNO3 = 2 NaNO3 + H2SO3
CH3COOH + NaOH = NaCH3COO + H2O =>
CH3COOH + NaOH = NaCH3COO + H2O
B + O2 = B2O37 =>
4 B + 37 O2 = 2 B2O37
NaOH + HOC(COOH)(CH2COOH)2 = H2O + HOC(COONa)(CH2COONa)2 =>
3 NaOH + HOC(COOH)(CH2COOH)2 = 3 H2O + HOC(COONa)(CH2COONa)2
P4O10 + K(OH) = K3(PO4) + H2O =>
P4O10 + 12 K(OH) = 4 K3(PO4) + 6 H2O
Pb(s) + HCl(ac) = PbCl2(ac) + H2(g) =>
Pb(s) + 2 HCl(ac) = PbCl2(ac) + H2(g)
NH4Cl + Fe2S3 = (NH4)2S + FeCl3 =>
6 NH4Cl + Fe2S3 = 3(NH4)2S + 2 FeCl3
V = V2 =>
2 V = V2
CO + IO3{-} + H{+} = I2 + CO2 + H2O =>
5 CO + 2 IO3{-} + 2 H{+} = I2 + 5 CO2 + H2O
NH3 + O2 = N2O + H2O =>
2 NH3 + 2 O2 = N2O + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Al4C3 + H2O + NaOH = NaAlO2 + CH4 =>
Al4C3 + 4 H2O + 4 NaOH = 4 NaAlO2 + 3 CH4
Cu(NO3) + Pb = Pb(NO3)2 + Cu =>
2 Cu(NO3) + Pb = Pb(NO3)2 + 2 Cu
Ba(NO3)2 + Na2CO3{+2} = BaCO3{+2} + NaNO3 =>
Ba(NO3)2 + Na2CO3{+2} = BaCO3{+2} + 2 NaNO3
Al + H2SO4(ac) = Al2(SO4)3 + H2(g) =>
2 Al + 3 H2SO4(ac) = Al2(SO4)3 + 3 H2(g)
Na2CO3 + KNO3 = CO3K2 + NaNO3 =>
Na2CO3 + 2 KNO3 = CO3K2 + 2 NaNO3
PbS + HBr = H2S + PbBr2 =>
PbS + 2 HBr = H2S + PbBr2
Ni + CaO = Ca + Ni2O3 =>
2 Ni + 3 CaO = 3 Ca + Ni2O3
Na3PO4 + Br2 = NaBr + PO4 =>
2 Na3PO4 + 3 Br2 = 6 NaBr + 2 PO4
HCOHAg2O = HCOOHAg2 =>
HCOHAg2O = HCOOHAg2
HOH = H2 + O =>
HOH = H2 + O
(C2H5O)2P(O)H + CH3MgBr = (C2H5O)2P(O)MgBr + CH4 =>
(C2H5O)2P(O)H + CH3MgBr = (C2H5O)2P(O)MgBr + CH4
Na2SO4(aq) + Cu3(PO4)2(aq) = Na3PO4(aq) + CuSO4(aq) =>
3 Na2SO4(aq) + Cu3(PO4)2(aq) = 2 Na3PO4(aq) + 3 CuSO4(aq)
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