| Équations équilibrées la veille |
Na2SO3(aq) + CaBr2(aq) = 2 NaBr(aq) + CaSO3(s)
(SO4) + NaOH = (SO4)OH + Na =>
(SO4) + NaOH = (SO4)OH + Na
Cr2O7{2-} + Fe + H2O = Cr2O3 + Fe(OH)3 + OH{-} =>
Cr2O7{2-} + 2 Fe + 4 H2O = Cr2O3 + 2 Fe(OH)3 + 2 OH{-}
HNO3 + HI = H2O + HIO3 + NO2 =>
6 HNO3 + HI = 3 H2O + HIO3 + 6 NO2
K2CrO7(aq) + MgBr2(aq) = Mg2CrO7(aq) + KBr2(aq) =>
K2CrO7(aq) + 2 MgBr2(aq) = Mg2CrO7(aq) + 2 KBr2(aq)
Bi(OH)3 + Sn(OH){-} + OH{-} = Sn(OH)6{2-} + Bi =>
4 Bi(OH)3 + 3 Sn(OH){-} + 3 OH{-} = 3 Sn(OH)6{2-} + 4 Bi
Mg3N3 + BaCl2 = MgCl2 + Ba3N3 =>
Mg3N3 + 3 BaCl2 = 3 MgCl2 + Ba3N3
ZnSO3 + NaOH = Na2SO3 + Zn(OH)2 =>
ZnSO3 + 2 NaOH = Na2SO3 + Zn(OH)2
HCOH + CrCl3 + H2O + KCl = CH3OH + K2Cr2O7 + HCl =>
3 HCOH + 2 CrCl3 + 7 H2O + 2 KCl = 3 CH3OH + K2Cr2O7 + 8 HCl
Na2CO3 + HI = NaI + H2O + CO2 =>
Na2CO3 + 2 HI = 2 NaI + H2O + CO2
Ca + F2 + H2SO4 = CaSO4 + HF =>
Ca + F2 + H2SO4 = CaSO4 + 2 HF
CH3CH2CH2OH + CuO = CH3CH2COOH + H2O + Cu =>
CH3CH2CH2OH + 2 CuO = CH3CH2COOH + H2O + 2 Cu
Ba3(PO4)2 + HCl = BaCl2 + H3PO4 =>
Ba3(PO4)2 + 6 HCl = 3 BaCl2 + 2 H3PO4
Cd(s) + HCl(ac) = Cd(s)Cl2 + H(ac) =>
Cd(s) + 2 HCl(ac) = Cd(s)Cl2 + 2 H(ac)
Na3PO4 + (CH3COO)2Zn = Zn3(PO4)2 + CH3COONa =>
2 Na3PO4 + 3(CH3COO)2Zn = Zn3(PO4)2 + 6 CH3COONa
AgNO3 = Ag + NO2 + O2 = =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
KMnO4 + KCl + H2SO4 = Cl2 + H2O + K2SO4 + MnSO4 =>
2 KMnO4 + 10 KCl + 8 H2SO4 = 5 Cl2 + 8 H2O + 6 K2SO4 + 2 MnSO4
Pb(NO3)2 + Ca(SO4)2 = Pb(SO4)2 + Ca(NO3)2 =>
Pb(NO3)2 + Ca(SO4)2 = Pb(SO4)2 + Ca(NO3)2
Na2Cr2O7 + NaOH = Na2CrO4 + H2O =>
Na2Cr2O7 + 2 NaOH = 2 Na2CrO4 + H2O
CaSO4*2H2O = (CaSO4)2*H2O + H2O =>
2 CaSO4*2H2O = (CaSO4)2*H2O + 3 H2O
KMnO4 + SO2 = KSO2 + MnO4 =>
KMnO4 + SO2 = KSO2 + MnO4
P2O3 + H2O = H3PO4 + P =>
5 P2O3 + 9 H2O = 6 H3PO4 + 4 P
Ca3(PO4)2 + Fe(NO3)3 = FePO4 + Ca(NO3)2 =>
Ca3(PO4)2 + 2 Fe(NO3)3 = 2 FePO4 + 3 Ca(NO3)2
CuCN + NaCN = NaCu(CN)2 =>
CuCN + NaCN = NaCu(CN)2
HCl(aq) + Na2S2O3(aq) = NaCl(aq) + SO2(g) + S8(s) + H2O(l) =>
16 HCl(aq) + 8 Na2S2O3(aq) = 16 NaCl(aq) + 8 SO2(g) + S8(s) + 8 H2O(l)
Zn + HNO3 = H2O + N2O + Zn(NO3)2 =>
4 Zn + 10 HNO3 = 5 H2O + N2O + 4 Zn(NO3)2
Ba(C2H3O2)2(aq) + K2SO4(aq) = BaSO4(s) + KC2H3O2(aq) =>
Ba(C2H3O2)2(aq) + K2SO4(aq) = BaSO4(s) + 2 KC2H3O2(aq)
CH5(NO3)2 = N2 + O2 + H2O + CO2 =>
4 CH5(NO3)2 = 4 N2 + 3 O2 + 10 H2O + 4 CO2
CuSO4 + PbNO3 = CuNO3 + PbSO4 =>
CuSO4 + PbNO3 = CuNO3 + PbSO4
Al + K + H2O = K[Al(OH)4] + H2 =>
Al + K + 4 H2O = K[Al(OH)4] + 2 H2
Fl2 + KI = KFl + I2 =>
Fl2 + 2 KI = 2 KFl + I2
CsCO3 + H2O = Cs(OH)2 + CO2 =>
CsCO3 + H2O = Cs(OH)2 + CO2
Ca(OH)2 + CO2 = Ca(OH)(HCO3)Ca(OH)(HCO3) = CaCO3 + H2O =>
2 Ca(OH)2 + 2 CO2 = Ca(OH)(HCO3)Ca(OH)(HCO3)
KNO3 + Mg + H2O = NH3 + Mg(OH)2 + KOH =>
KNO3 + 4 Mg + 6 H2O = NH3 + 4 Mg(OH)2 + KOH
Zn(OH) + HCl = ZnCl + H(OH) =>
Zn(OH) + HCl = ZnCl + H(OH)
MoO3 + CO = Mo + CO2 =>
MoO3 + 3 CO = Mo + 3 CO2
AgO(heat) = Ag + O2 =>
2 AgO(heat) = 2 Ag + O2
AgNO3 + Br = AgBr + NO3 =>
AgNO3 + Br = AgBr + NO3
P + CuO = Cu + P2O5 =>
2 P + 5 CuO = 5 Cu + P2O5
FeCl3 + (C2H5)2O = Fe(C2H5)2 + Cl3O =>
FeCl3 + (C2H5)2O = Fe(C2H5)2 + Cl3O
K2S + Fe(CH3CO2)2 = FeS + KCH3CO2 =>
K2S + Fe(CH3CO2)2 = FeS + 2 KCH3CO2
CuS + HNO3 = Cu(NO3)2 + NO2 + H2O + SO2 =>
CuS + 8 HNO3 = Cu(NO3)2 + 6 NO2 + 4 H2O + SO2
Na2SO + BaCl2 = BaSO + NaCl =>
Na2SO + BaCl2 = BaSO + 2 NaCl
Cu2O2CuO = CuO =>
Cu2O2CuO = 3 CuO
K2MnO4 + K2S + H2SO4 = MnO2 + H2O + K2SO4 =>
4 K2MnO4 + K2S + 4 H2SO4 = 4 MnO2 + 4 H2O + 5 K2SO4
H2BO2 = H4B6O8 + H2O =>
6 H2BO2 = H4B6O8 + 4 H2O
HO2CC02H + OH = O2CCO2 + H2O =>
2 HO2CC02H + 20 OH = 3 O2CCO2 + 12 H2O
HBr(aq) + Pb(ClO4)2(aq) = HClO4(aq) + PbBr2(s) =>
2 HBr(aq) + Pb(ClO4)2(aq) = 2 HClO4(aq) + PbBr2(s)
AgCl + K2CO3 = Ag2CO3 + KCl =>
2 AgCl + K2CO3 = Ag2CO3 + 2 KCl
C6H4(COOH)2 + C2H4(OH)2 = C9H8O4 + H2O =>
9 C6H4(COOH)2 + 9 C2H4(OH)2 = 10 C9H8O4 + 14 H2O
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