| Équations équilibrées la veille |
H2SeO3 + 2 K = K2SeO3 + H2
CsCN + SnF4 = CsF + Sn(CN)4 =>
4 CsCN + SnF4 = 4 CsF + Sn(CN)4
Na(OH)2 + CO2 = Na(CO3) + H2O =>
Na(OH)2 + CO2 = Na(CO3) + H2O
Na + Ca(SO4) = Ca + Na2(SO4) =>
2 Na + Ca(SO4) = Ca + Na2(SO4)
Au + H2SeO4 = Au3(SeO4)3 + H2SeO3 + H2O =>
3 Au + 6 H2SeO4 = Au3(SeO4)3 + 3 H2SeO3 + 3 H2O
CH3OH + CH3CH2COOH = CH3OOCCH2CH3 + H2O =>
CH3OH + CH3CH2COOH = CH3OOCCH2CH3 + H2O
CrO42{-} + HSO3{-} + H{+} = Cr3{+} + SO42{-} + H2O =>
237 CrO42{-} + 248 HSO3{-} + 316 H{+} = 79 Cr3{+} + 248 SO42{-} + 282 H2O
Pb(NO3)2(t) = PbO + NO2 + O2 =>
2 Pb(NO3)2(t) = 2 PbO + 4 NO2 + O2
HCl + Ag2SO4 = H2SO4 + AgCl =>
2 HCl + Ag2SO4 = H2SO4 + 2 AgCl
Na2O + N2O5 = NaNO3 =>
Na2O + N2O5 = 2 NaNO3
Co(NO3)2 + NaBr = CoBr + Na(NO3)2 =>
Co(NO3)2 + NaBr = CoBr + Na(NO3)2
K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + O =>
K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 O
HCl + Mg + Na3AsO3 = AsH3 + NaCl + H2O + MgCl2 =>
9 HCl + 3 Mg + Na3AsO3 = AsH3 + 3 NaCl + 3 H2O + 3 MgCl2
hydrogen + O2 = water =>
2 H2 + O2 = 2 H2O
NH4[VO3] + HCl = [NH4]VCl4 + O2 + H2O =>
2 NH4[VO3] + 8 HCl = 2[NH4]VCl4 + O2 + 4 H2O
Zn + Fe2O3 = ZnO + iron =>
3 Zn + Fe2O3 = 3 ZnO + 2 Fe
Zn(NO3)2 + NH3 + H2O = Zn(OH)2 + NH4NO3 =>
Zn(NO3)2 + 2 NH3 + 2 H2O = Zn(OH)2 + 2 NH4NO3
CrBr3 + PbCH3COO = Cr(CH3COO)3 + PbBr =>
CrBr3 + 3 PbCH3COO = Cr(CH3COO)3 + 3 PbBr
HNO2 + CI + H2O = HNO3 + HCI =>
HNO2 + 2 CI + H2O = HNO3 + 2 HCI
Mg(CO3) + HCl = MgCl2 + H2O + CO2 =>
Mg(CO3) + 2 HCl = MgCl2 + H2O + CO2
PO5 + HNO3 = O2 + H2 + PNO2 =>
2 PO5 + 2 HNO3 = 6 O2 + H2 + 2 PNO2
C18H24 + O3 = CO2 + H2O =>
C18H24 + 16 O3 = 18 CO2 + 12 H2O
Sr3(PO4)2 + Fe(SO4) = Sr(SO4) + Fe3(PO4)2 =>
Sr3(PO4)2 + 3 Fe(SO4) = 3 Sr(SO4) + Fe3(PO4)2
P4 + IO3{-} + OH{-} = PO4{-3} + I2 + H2O =>
P4 + 4 IO3{-} + 8 OH{-} = 4 PO4{-3} + 2 I2 + 4 H2O
Ca(CO3) + (HCl) = CaCl2 + H2(CO3) =>
Ca(CO3) + 2(HCl) = CaCl2 + H2(CO3)
H3PO4 + NaOH = H2O + Na2HPO4 =>
H3PO4 + 2 NaOH = 2 H2O + Na2HPO4
Hg2Cl2 + NH3 + H2O = Hg2O + NH4 + Cl =>
Hg2Cl2 + 2 NH3 + H2O = Hg2O + 2 NH4 + 2 Cl
FeCl3 + K4P4O7 = KCl + Fe4(P4O7)3 =>
4 FeCl3 + 3 K4P4O7 = 12 KCl + Fe4(P4O7)3
P2O5(g) + H2O(l) = H3PO4(i) =>
P2O5(g) + 3 H2O(l) = 2 H3PO4(i)
WO3 + Mg = Mg2O3 + W =>
WO3 + 2 Mg = Mg2O3 + W
(NH4)2CO3 + CH3COOH = (NH4)CH3COOH + CO2 + H2O =>
4(NH4)2CO3 + 9 CH3COOH = 8(NH4)CH3COOH + 6 CO2 + 2 H2O
NaIO3 + NH4OH = NaOH + NH4IO3 =>
NaIO3 + NH4OH = NaOH + NH4IO3
CoO + NaOH = Co2O3 + NaH =>
2 CoO + NaOH = Co2O3 + NaH
(MgOH)3PO4 + HBr = Mg3(PO4)2 + MgBr2 + H2O =>
2(MgOH)3PO4 + 6 HBr = Mg3(PO4)2 + 3 MgBr2 + 6 H2O
NaH2Po4 + HCl = H3Po4 + NaCl =>
NaH2Po4 + HCl = H3Po4 + NaCl
Fe(OH)2 + H2O + NaClO = Fe(OH)3 + NaOH + Cl2 =>
2 Fe(OH)2 + 2 H2O + 2 NaClO = 2 Fe(OH)3 + 2 NaOH + Cl2
S2F2 + H2O = S8 + H2SO4O6 + HF =>
72 S2F2 + 80 H2O = 17 S8 + 8 H2SO4O6 + 144 HF
Ca + H2CrO4 = CaCrO4 + H2 =>
Ca + H2CrO4 = CaCrO4 + H2
HNO3 + KO{-} = NO3{-} + KOH =>
HNO3 + KO{-} = NO3{-} + KOH
K2Cr2O7 + Cl2 + H2O = Cr(OH)3 + KClO3 + KOH =>
5 K2Cr2O7 + 3 Cl2 + 17 H2O = 10 Cr(OH)3 + 6 KClO3 + 4 KOH
MnCl2 + H2O2 + NaOH = MnO2 + NaCl + H2O =>
MnCl2 + H2O2 + 2 NaOH = MnO2 + 2 NaCl + 2 H2O
Ca + H2CrO4 = CaCrO4 + H2 =>
Ca + H2CrO4 = CaCrO4 + H2
NaHSO4 + Ca(OH)2 = CaSO4 + NaOH + H2O =>
NaHSO4 + Ca(OH)2 = CaSO4 + NaOH + H2O
Ca + H2CrO4 = CaCrO4 + H2 =>
Ca + H2CrO4 = CaCrO4 + H2
CO2(g) + H2O(g) = C2H6(g) + O2(g) =>
4 CO2(g) + 6 H2O(g) = 2 C2H6(g) + 7 O2(g)
KAsO3 + I2 + H2O = KAsO4 + HI =>
KAsO3 + I2 + H2O = KAsO4 + 2 HI
Al2O3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
Al2O3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2O(l)
Ca + H2CrO4 = CaCrO4 + H2 =>
Ca + H2CrO4 = CaCrO4 + H2
Ga + AlPO4 = GaPO4 + Al2 =>
2 Ga + 2 AlPO4 = 2 GaPO4 + Al2
Ca + H2CrO4 = CaCrO4 + H2 =>
Ca + H2CrO4 = CaCrO4 + H2
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