| Équations équilibrées la veille |
K2SO3 + S = K2S2O3
O3 = O2 =>
2 O3 = 3 O2
MnO2 + NaCl + H2SO4 = Na2SO4 + MnSO4 + H2O + Cl2 =>
MnO2 + 2 NaCl + 2 H2SO4 = Na2SO4 + MnSO4 + 2 H2O + Cl2
CuSO4 + F = FSO4 + Cu =>
CuSO4 + F = FSO4 + Cu
Ca3N2 + HgF2 = Hg3N2 + CaF2 =>
Ca3N2 + 3 HgF2 = Hg3N2 + 3 CaF2
Au + HSO4 = AuSO4 + H2 =>
2 Au + 2 HSO4 = 2 AuSO4 + H2
Ca(OH)2*4H2O + (NH4)2HPO4 + NH4OH = Ca10(PO4)(OH)2 + NH4NO3 + H2O =>
80 Ca(OH)2*4H2O + 8(NH4)2HPO4 + 14 NH4OH = 8 Ca10(PO4)(OH)2 + 15 NH4NO3 + 433 H2O
CH3CHCH3CHBrCH2CH3 + NaCN = CH3CHCH3CHCNCH2CH3 + NaBr =>
CH3CHCH3CHBrCH2CH3 + NaCN = CH3CHCH3CHCNCH2CH3 + NaBr
Na2SO3 = Na2O + SO2 =>
Na2SO3 = Na2O + SO2
Ag + S = Ag2(S) =>
2 Ag + S = Ag2(S)
KCIO2 + S = KCI + SO2 =>
KCIO2 + S = KCI + SO2
Zn + HgCl2 = ZnCl2 + Hg =>
Zn + HgCl2 = ZnCl2 + Hg
MgSO4(aq) + BaI2(aq) = MgI2 + BaSO4 =>
MgSO4(aq) + BaI2(aq) = MgI2 + BaSO4
CuBr2(aq) + Ag2SO4(aq) = CuSO4(aq) + AgBr(s) =>
CuBr2(aq) + Ag2SO4(aq) = CuSO4(aq) + 2 AgBr(s)
Al2S3 + O2 = Al2O3 + SO4 =>
2 Al2S3 + 15 O2 = 2 Al2O3 + 6 SO4
Mg(NO3)2 + Na2SO4 = MgSO4 + NO3Na =>
Mg(NO3)2 + Na2SO4 = MgSO4 + 2 NO3Na
NH4Br + Ca(OH)2 = NH4OH + CaBr2 =>
2 NH4Br + Ca(OH)2 = 2 NH4OH + CaBr2
Al2O3(s) + S(s) = Al(s) + SO2 =>
2 Al2O3(s) + 3 S(s) = 4 Al(s) + 3 SO2
Br2 + Al2O3 = AlBr3 + O2 =>
6 Br2 + 2 Al2O3 = 4 AlBr3 + 3 O2
Dy + H2SO4 = Dy2(SO4)3 + H2 =>
2 Dy + 3 H2SO4 = Dy2(SO4)3 + 3 H2
K + Na2O = KNa2O =>
K + Na2O = KNa2O
HC2H3O2 + NaOH = NaC2H3O2 + H2O =>
HC2H3O2 + NaOH = NaC2H3O2 + H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
CrBr3 + NaOH + Cl2 = Na2CrO4 + NaBrO3 + NaCl + H2O =>
2 CrBr3 + 52 NaOH + 21 Cl2 = 2 Na2CrO4 + 6 NaBrO3 + 42 NaCl + 26 H2O
(NH3) + CO2 = (NH2)2CO + H2O =>
2(NH3) + CO2 = (NH2)2CO + H2O
KBr + HCI = KCI + HBr =>
KBr + HCI = KCI + HBr
C9H20O2 + O2 = CO2 + H2O =>
C9H20O2 + 13 O2 = 9 CO2 + 10 H2O
CuZn + Pb = CuPb2 + Zn =>
CuZn + 2 Pb = CuPb2 + Zn
Na2CO3 = Na + CO3 =>
Na2CO3 = 2 Na + CO3
Na2CO3(aq) + BaCl2(aq) = NaCl(s) + BaCO3(aq) =>
Na2CO3(aq) + BaCl2(aq) = 2 NaCl(s) + BaCO3(aq)
In + HI = InI2 + H2 =>
In + 2 HI = InI2 + H2
KMnO4 + C + H2O = KOH + CO2 + MnO2 =>
4 KMnO4 + 3 C + 2 H2O = 4 KOH + 3 CO2 + 4 MnO2
NH4ClO4(s) = N2(g) + Cl2(g) + O2(g) + H2O(g) =>
2 NH4ClO4(s) = N2(g) + Cl2(g) + 2 O2(g) + 4 H2O(g)
CNCl + NaOH = NaCNO + NaCl + H2O =>
CNCl + 2 NaOH = NaCNO + NaCl + H2O
H2O(l) + N2O3(l) = HNO2(aq) =>
H2O(l) + N2O3(l) = 2 HNO2(aq)
P2O3 + Br2 = PBr3 + P2O5 =>
5 P2O3 + 6 Br2 = 4 PBr3 + 3 P2O5
H3PO3 = H3PO4 + PH3 =>
4 H3PO3 = 3 H3PO4 + PH3
CrO3 + KOH = K2Cr4O13 + H2O =>
4 CrO3 + 2 KOH = K2Cr4O13 + H2O
PCl3(g) = P(s) + Cl2(g) =>
2 PCl3(g) = 2 P(s) + 3 Cl2(g)
Al + N2H4O3 = N2 + H2O + Al2O3 =>
2 Al + 3 N2H4O3 = 3 N2 + 6 H2O + Al2O3
Ca10(PO4)6(OH)2 = Ca3(PO4)2 + CaO + H2O =>
Ca10(PO4)6(OH)2 = 3 Ca3(PO4)2 + CaO + H2O
CaNO3 + H2SO4 = CaSO4 + H2NO3 =>
CaNO3 + H2SO4 = CaSO4 + H2NO3
MnO4{2-} + SO2 = Mn{2+} + SO4{2-} =>
MnO4{2-} + 2 SO2 = Mn{2+} + 2 SO4{2-}
KBrO3 = KBrO4 + KBr =>
4 KBrO3 = 3 KBrO4 + KBr
Ni + HF = NiF + H =>
Ni + HF = NiF + H
HCl + Ni(NO3)2 + NaOH = H(NO3) + NaCl2 + NiOH =>
2 HCl + Ni(NO3)2 + NaOH = 2 H(NO3) + NaCl2 + NiOH
Ag2CrO4 + BaCl2 = AgCl + BaCrO4 =>
Ag2CrO4 + BaCl2 = 2 AgCl + BaCrO4
Zn2 + CrCl3 = Cr + ZnCl =>
3 Zn2 + 2 CrCl3 = 2 Cr + 6 ZnCl
CaCl2 + Na(C17H35COOH)2 = Ca(C17H35COOH)2 + NaCl2 =>
CaCl2 + Na(C17H35COOH)2 = Ca(C17H35COOH)2 + NaCl2
C7H7NO2 + Fe + HCl = C7H10NCl + H2O + FeCl3 =>
C7H7NO2 + 2 Fe + 7 HCl = C7H10NCl + 2 H2O + 2 FeCl3
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