| Équations équilibrées la veille |
(CuOH)2CO3 + 4 HBr = 2 CuBr2 + CO2 + 3 H2O
IO3{-} + HSO3{-} = I{-} + SO4{2-} + H{+} =>
IO3{-} + 3 HSO3{-} = I{-} + 3 SO4{2-} + 3 H{+}
B(OH)3 + NaOH = NaBO2 + H2O =>
B(OH)3 + NaOH = NaBO2 + 2 H2O
H2C2O4 + Ba(OH)2 = Ba(HC2O4)2 + H2O =>
2 H2C2O4 + Ba(OH)2 = Ba(HC2O4)2 + 2 H2O
K2 + CO3 + BaCl2 = KCl + BaCO3 =>
K2 + CO3 + BaCl2 = 2 KCl + BaCO3
H3CHO + Ag(NH3)2OH = HCOONH4 + Ag + NH3 + H2O =>
H3CHO + 4 Ag(NH3)2OH = HCOONH4 + 4 Ag + 7 NH3 + 3 H2O
KOH + S = K2S + K2SO4 + H2O =>
8 KOH + 4 S = 3 K2S + K2SO4 + 4 H2O
Be + NH3 = Be2N3 + H2 =>
4 Be + 6 NH3 = 2 Be2N3 + 9 H2
CaI2 + Mg(NO3)2 = Ca(NO3)2 + MgI2 =>
CaI2 + Mg(NO3)2 = Ca(NO3)2 + MgI2
NaCl(aq) + H2SO4 = HCl(aq) + Na2SO4(aq) =>
2 NaCl(aq) + H2SO4 = 2 HCl(aq) + Na2SO4(aq)
HClO2 + Br2 + H2O = HBrO3 + HCl =>
5 HClO2 + 2 Br2 + 2 H2O = 4 HBrO3 + 5 HCl
Na2SO4 + FeCl3 = Fe2(SO4)3 + NaCl =>
3 Na2SO4 + 2 FeCl3 = Fe2(SO4)3 + 6 NaCl
Zn(OH)2 + BaO = Ba(OH)2 + ZnO =>
Zn(OH)2 + BaO = Ba(OH)2 + ZnO
Na2SO4 + Cu(OH)2 + HCl = HNa2Cl + CuSO4(OH)2 =>
Na2SO4 + Cu(OH)2 + HCl = HNa2Cl + CuSO4(OH)2
H3PO4 + KBr = HBr + KH2PO4 =>
H3PO4 + KBr = HBr + KH2PO4
Cl2 + Na2O = O2 + NaCl =>
2 Cl2 + 2 Na2O = O2 + 4 NaCl
LiBr + H2O = Li2O + HBr =>
2 LiBr + H2O = Li2O + 2 HBr
MnO2 + Na2SO4 + NaOH = NaMnO4 + Na2SO3 + H2O =>
2 MnO2 + 3 Na2SO4 + 2 NaOH = 2 NaMnO4 + 3 Na2SO3 + H2O
TiCl2 + HCl = TiCl4 + H2 =>
TiCl2 + 2 HCl = TiCl4 + H2
(X)2NH + HCl = (X)2NH2 + Cl =>
(X)2NH + HCl = (X)2NH2 + Cl
KI + H2SO4 = K2SO4 + I2 + H2 =>
2 KI + H2SO4 = K2SO4 + I2 + H2
LiBr + H2O = LiOH + HBr =>
LiBr + H2O = LiOH + HBr
Na2CO3 + CaCl2 = CaCO3 + NaCl =>
Na2CO3 + CaCl2 = CaCO3 + 2 NaCl
CO8 + H2O = C3H8 + O4 =>
3 CO8 + 4 H2O = C3H8 + 7 O4
LiBr + H2O = LiBrH2O =>
LiBr + H2O = LiBrH2O
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
B2S3 + HNO3 = B(NO3)3 + NO + S + H2O =>
B2S3 + 8 HNO3 = 2 B(NO3)3 + 2 NO + 3 S + 4 H2O
LiCl + KOH = LiHO + KCl =>
LiCl + KOH = LiHO + KCl
LiBr + H2O = Br2 + H2 + LiOH =>
2 LiBr + 2 H2O = Br2 + H2 + 2 LiOH
Cu(OH)2 + H2CO3 = (CuOH)2CO3 + H2O =>
2 Cu(OH)2 + H2CO3 = (CuOH)2CO3 + 2 H2O
Ca(NO3)2 + HClO4 = Ca(ClO4)2 + HNO3 =>
Ca(NO3)2 + 2 HClO4 = Ca(ClO4)2 + 2 HNO3
ZnS(s) + O2(g) = ZnO(s) + SO2(g) =>
2 ZnS(s) + 3 O2(g) = 2 ZnO(s) + 2 SO2(g)
LiBr + H2O = Li(OH) + HBr =>
LiBr + H2O = Li(OH) + HBr
CuSO3 + Na2CO3 = CuCO3 + Na2SO3 =>
CuSO3 + Na2CO3 = CuCO3 + Na2SO3
C6H14 + Cl = C6H14Cl =>
C6H14 + Cl = C6H14Cl
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
Cr(SO4)3 + H2 = H2SO4 + Cr2(SO4)3 =>
2 Cr(SO4)3 + 3 H2 = 3 H2SO4 + Cr2(SO4)3
KMnO4(aq) + Na2C2O4(aq) + H2SO4(aq) = K2SO4(aq) + MnSO4(aq) + Na2SO4(aq) + H2O(l) + CO2(g) =>
2 KMnO4(aq) + 5 Na2C2O4(aq) + 8 H2SO4(aq) = K2SO4(aq) + 2 MnSO4(aq) + 5 Na2SO4(aq) + 8 H2O(l) + 10 CO2(g)
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
NaClO3 + AgNO3 = AgCl + NaNO3 + O2 =>
2 NaClO3 + 2 AgNO3 = 2 AgCl + 2 NaNO3 + 3 O2
e + H{+} + H2SO4 + KMnO4 = MnSO4 + K2SO4 + H2O =>
10e + 10 H{+} + 3 H2SO4 + 2 KMnO4 = 2 MnSO4 + K2SO4 + 8 H2O
Sn{2+} + Ga = Sn + Ga{3+} =>
3 Sn{2+} + 2 Ga = 3 Sn + 2 Ga{3+}
Ag{+} + HPO4{2-} = Ag3PO4 + H{+} =>
3 Ag{+} + HPO4{2-} = Ag3PO4 + H{+}
C6H14 + Cl = C6H13Cl + HCl =>
C6H14 + 2 Cl = C6H13Cl + HCl
C2H2 + [Ag(NH3)2]OH = C2HAg + NH3 + H2O =>
C2H2 + [Ag(NH3)2]OH = C2HAg + 2 NH3 + H2O
CH3CHO + KMnO4 = CH3COOK + CH3COOH + MnO2 + H2O =>
3 CH3CHO + 2 KMnO4 = 2 CH3COOK + CH3COOH + 2 MnO2 + H2O
H3BO3 + K2CO3 = K3BO3 + H2CO3 =>
2 H3BO3 + 3 K2CO3 = 2 K3BO3 + 3 H2CO3
BeS + NaCl = BeCl2 + Na2S =>
BeS + 2 NaCl = BeCl2 + Na2S
H2SO4 + K2Cr2O7 + HCl = Cr2(SO4)3 + H2O + K2SO4 + Cl =>
4 H2SO4 + K2Cr2O7 + 6 HCl = Cr2(SO4)3 + 7 H2O + K2SO4 + 6 Cl
A = A5 =>
5 A = A5
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