| Équations équilibrées la veille |
H2SO4 + Na2S2O3 = H2SO3 + Na2SO4 + S
P2O6 + N2 = P4 + NO =>
2 P2O6 + 6 N2 = P4 + 12 NO
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
P + HIO3 + H2O = H3PO3 + HI =>
2 P + HIO3 + 3 H2O = 2 H3PO3 + HI
(CH3)2SiCl2 + H2O = (CH3)2Si(OH)2 + HCl = H2O + (CH3)2SiO =>
(CH3)2SiCl2 + 2 H2O = (CH3)2Si(OH)2 + 2 HCl
KBr + KBrO3 + HCl = Br2 + KCl + H2O =>
5 KBr + KBrO3 + 6 HCl = 3 Br2 + 6 KCl + 3 H2O
NaCl + Fe = NaClFe =>
NaCl + Fe = NaClFe
NH3 + F2 = NH4F + NF3 =>
4 NH3 + 3 F2 = 3 NH4F + NF3
PCl3 + H2O = P(OH)3 + HCl =>
PCl3 + 3 H2O = P(OH)3 + 3 HCl
C9H10 + KMnO4 + H2SO4 = C7H6O2 + K2SO4 + MnSO4 + H2O =>
35 C9H10 + 52 KMnO4 + 78 H2SO4 = 45 C7H6O2 + 26 K2SO4 + 52 MnSO4 + 118 H2O
NaNO2 + H2SO4 + Na2SO4 = Na2S2O6 + HNO3 + H2O =>
2 NaNO2 + 3 H2SO4 + Na2SO4 = 2 Na2S2O6 + 2 HNO3 + 2 H2O
CO2 + H3O = C6H12O6 + O2 =>
6 CO2 + 4 H3O = C6H12O6 + 5 O2
NaHCO3 + C6H8O7 = CO2 + H2O + NaC =>
18 NaHCO3 + 5 C6H8O7 = 30 CO2 + 29 H2O + 18 NaC
Mg(HCO3)2 + Mg(OH)2 = (MgOH)2CO3 + H2O =>
Mg(HCO3)2 + 3 Mg(OH)2 = 2(MgOH)2CO3 + 2 H2O
HBrO2 + Ba(OH)2 = Ba(BrO2)2 + H2O =>
2 HBrO2 + Ba(OH)2 = Ba(BrO2)2 + 2 H2O
Zn + Cr(NO3)3(aq) = Cr(s) + ZnNO3(aq) =>
3 Zn + Cr(NO3)3(aq) = Cr(s) + 3 ZnNO3(aq)
Ca3[Fe(CN)6]2 + HCl = H3[Fe(CN)6] + CaCl2 =>
Ca3[Fe(CN)6]2 + 6 HCl = 2 H3[Fe(CN)6] + 3 CaCl2
C2H5OHHBr = C2H5BrH2O =>
C2H5OHHBr = C2H5BrH2O
H2O + N2O5 = HNO3 =>
H2O + N2O5 = 2 HNO3
Cl2(OH) + NH4 = NH4Cl + N + H2O =>
4 Cl2(OH) + 9 NH4 = 8 NH4Cl + N + 4 H2O
Ba + PbCl2 = Pb + BaCl =>
2 Ba + PbCl2 = Pb + 2 BaCl
KMnO4 + Na2SO3 + KOH = Na2SO4 + H2O + K2MnO4 =>
2 KMnO4 + Na2SO3 + 2 KOH = Na2SO4 + H2O + 2 K2MnO4
Zn + HCI = ZnHCI =>
Zn + HCI = ZnHCI
CH3NH2 + HF = CH3NH3{+} + F({-}) =>
CH3NH2 + HF = CH3NH3{+} + F({-})
HPO + Mg = MgPO + H =>
HPO + Mg = MgPO + H
(SO4)3Fe2 + H2O = SO4 + H + Fe(OH)3 =>
(SO4)3Fe2 + 6 H2O = 3 SO4 + 6 H + 2 Fe(OH)3
O2 + Ni = Ni2O8 =>
4 O2 + 2 Ni = Ni2O8
K(MnO4) + KCl + H2SO4 = Mn(SO4) + K2(SO4) + H2O + Cl2 =>
2 K(MnO4) + 10 KCl + 8 H2SO4 = 2 Mn(SO4) + 6 K2(SO4) + 8 H2O + 5 Cl2
CuO + NH2OH = Cu + N2 + H2O =>
CuO + 2 NH2OH = Cu + N2 + 3 H2O
Cu2O(s) = Cu(s) + O2(g) =>
2 Cu2O(s) = 4 Cu(s) + O2(g)
Ag2S1O4 + Ca1(N1O3)2 = Ag1N1O3 + Ca1S1O4 =>
Ag2S1O4 + Ca1(N1O3)2 = 2 Ag1N1O3 + Ca1S1O4
CaO + CuCO3 + SiO2 = CaCu(Si4O10) + CO2 =>
CaO + CuCO3 + 4 SiO2 = CaCu(Si4O10) + CO2
HBr2 + Ca(OH)2 = CaBr2 + H(OH)2 =>
HBr2 + Ca(OH)2 = CaBr2 + H(OH)2
MnO2(s) + H2O(l) = MnO4 + H =>
MnO2(s) + 2 H2O(l) = MnO4 + 4 H
NaClO + KI = NaCl + KIO3 =>
3 NaClO + KI = 3 NaCl + KIO3
Zn2 + Cu(NO3)2 = Zn(NO3) + Cu2 =>
2 Zn2 + 2 Cu(NO3)2 = 4 Zn(NO3) + Cu2
Mg(OH)2(aq) + H2SO4(aq) = MgSO4(aq) + H2(OH)2(aq) =>
Mg(OH)2(aq) + H2SO4(aq) = MgSO4(aq) + H2(OH)2(aq)
C4H10 + O2 = CO2 + H2 =>
C4H10 + 4 O2 = 4 CO2 + 5 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CuS(s) + NH4NO3(aq) = Cu(NO3)2(aq) + (NH4)2S(aq) =>
CuS(s) + 2 NH4NO3(aq) = Cu(NO3)2(aq) + (NH4)2S(aq)
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn =>
Zn + Sn(NO3)2 = Zn(NO3)2 + Sn
PBO2 + Mn(OH)2 + HNO3 = HMnO4 + PB(NO3)2 + H2O =>
5 PBO2 + 2 Mn(OH)2 + 10 HNO3 = 2 HMnO4 + 5 PB(NO3)2 + 6 H2O
CH2CCl2 + F = HF + CHCCl2 =>
CH2CCl2 + F = HF + CHCCl2
Sn(OH)2 + NaOH = Na2[Sn(OH)4] =>
Sn(OH)2 + 2 NaOH = Na2[Sn(OH)4]
K2S + NaClO + H2SO4 = S + NaCl + K2SO4H2O =>
K2S + NaClO + H2SO4 = S + NaCl + K2SO4H2O
C8H20(l) + O2(g) = CO2(g) + H2O(l) =>
C8H20(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
[Sn(OH)3]{-} + [AuBr4]{-} + OH{-} = [Sn(OH)6]2{-} + Au + Br{-} =>
6[Sn(OH)3]{-} + 7[AuBr4]{-} + 18 OH{-} = 3[Sn(OH)6]2{-} + 7 Au + 28 Br{-}
P2O5 + Ba(OH)2 = Ba3(PO4)2 + H2O =>
P2O5 + 3 Ba(OH)2 = Ba3(PO4)2 + 3 H2O
NaI + NaIO3 + H2SO4 = I2 + Na2SO4 + H2O =>
5 NaI + NaIO3 + 3 H2SO4 = 3 I2 + 3 Na2SO4 + 3 H2O
RuS2 + H3P = Ru3P4 + H2S =>
3 RuS2 + 4 H3P = Ru3P4 + 6 H2S
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