| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 Hg(SCN)2 = 2 HgS + C3N4 + CS2
Cu(OH)2 + HCl1 = CuCl2 + H2O =>
Cu(OH)2 + 2 HCl1 = CuCl2 + 2 H2O
Na2S + K2Cr2O7 = K2S + Na2Cr2O7 =>
Na2S + K2Cr2O7 = K2S + Na2Cr2O7
CaCl2 + NaHCo3 + H2O = NaCl + Ca(OH)2 + H2Co3 =>
CaCl2 + 2 NaHCo3 + 2 H2O = 2 NaCl + Ca(OH)2 + 2 H2Co3
bariumiodide + chromium(II)sulfate = bariumsulfate + chromium(II)iodide =>
BaI2 + CrSO4 = BaSO4 + CrI2
H3AsO4 + Al + H{+} = AsH3 + Al{3+} + H2O =>
3 H3AsO4 + 8 Al + 24 H{+} = 3 AsH3 + 8 Al{3+} + 12 H2O
Fe3O3(s) + Mg(s) = MgO(s) + Fe(s) =>
Fe3O3(s) + 3 Mg(s) = 3 MgO(s) + 3 Fe(s)
HCl + H3P + VO3 + Mn2O3 = MnCl7 + V3P + H2O =>
210 HCl + 8 H3P + 24 VO3 + 15 Mn2O3 = 30 MnCl7 + 8 V3P + 117 H2O
C7H15OH + Al = C7H15OAl + H2 =>
2 C7H15OH + 2 Al = 2 C7H15OAl + H2
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
W + KBrF4 = K2WF8 + Br2 =>
W + 2 KBrF4 = K2WF8 + Br2
Zn + [Hg(SCN)4] = Zn[Hg(SCN)4] =>
Zn + [Hg(SCN)4] = Zn[Hg(SCN)4]
COCl2 + Al = CO + AlCl3 =>
3 COCl2 + 2 Al = 3 CO + 2 AlCl3
C6H11OH + K2Cr2O7 + H2SO4 = C6H10O + K2SO4 + Cr2(SO4)3 + H2O =>
3 C6H11OH + K2Cr2O7 + 4 H2SO4 = 3 C6H10O + K2SO4 + Cr2(SO4)3 + 7 H2O
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Ca + I2 = CaI2 =>
Ca + I2 = CaI2
NaC2H3O2 + H2SO4 = Na2SO4 + HCHO =>
2 NaC2H3O2 + H2SO4 = Na2SO4 + 4 HCHO
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
(NH4)2Fe(SO4)2 + K2[HgI4] + KOH = K2SO4 + Fe[HgI4] + NH3 + H2O =>
(NH4)2Fe(SO4)2 + K2[HgI4] + 2 KOH = 2 K2SO4 + Fe[HgI4] + 2 NH3 + 2 H2O
NI + H2SO4 = NI(SO4)4 + H2 =>
NI + 4 H2SO4 = NI(SO4)4 + 4 H2
P4 + Cl3 = PCl3 =>
P4 + 4 Cl3 = 4 PCl3
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O(somebigcoefficients) =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O(somebigcoefficients)
KMnO4 + CuS + HCl = S + CuCl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 5 CuS + 16 HCl = 5 S + 5 CuCl2 + 2 MnCl2 + 2 KCl + 8 H2O
NaFeO2 + HNO3 = NaNO3 + Fe(NO3)3 + H2O =>
NaFeO2 + 4 HNO3 = NaNO3 + Fe(NO3)3 + 2 H2O
Ca(ClO2)2 + Pb3N4 = Ca3N2 + Pb(ClO2)4 =>
6 Ca(ClO2)2 + Pb3N4 = 2 Ca3N2 + 3 Pb(ClO2)4
H2SO4 + Fe = FeSO4 + H2 =>
H2SO4 + Fe = FeSO4 + H2
Gd2O3 + HOAc + H2O = [(Gd(OAc)3(H2O)2)2]*4H2O =>
Gd2O3 + 6 HOAc + 5 H2O = [(Gd(OAc)3(H2O)2)2]*4H2O
Li + (H3PO4) = LiH3PO4 =>
Li + (H3PO4) = LiH3PO4
AgNo3 + Al = Ag + Al(No3)3 =>
3 AgNo3 + Al = 3 Ag + Al(No3)3
NaPO2 + H2O = HPO2 + Na2O =>
2 NaPO2 + H2O = 2 HPO2 + Na2O
Na + HNO3 = NaNO3 + N2O3 + H2O =>
4 Na + 6 HNO3 = 4 NaNO3 + N2O3 + 3 H2O
Cr(SO4)3 + KOH = Cr(OH)3 + KSO4 =>
Cr(SO4)3 + 3 KOH = Cr(OH)3 + 3 KSO4
H2SO4 + CaCl2 = CaSO4 + HCl* =>
H2SO4 + CaCl2 = CaSO4 + 2 HCl*
Al2Si2O7 + HNO3 = Al(NO3)3 + SiO2 + H2O =>
Al2Si2O7 + 6 HNO3 = 2 Al(NO3)3 + 2 SiO2 + 3 H2O
NH3 + OH = NHO + H2O =>
NH3 + 4 OH = NHO + 3 H2O
HCN + O2 = H2O + CO2 + N2 =>
4 HCN + 5 O2 = 2 H2O + 4 CO2 + 2 N2
NaCrO4*4H2O = NaCrO4 + H2O(g) =>
NaCrO4*4H2O = NaCrO4 + 4 H2O(g)
C8H9NO2 + AlCl3 + CH3COOH = C9H13N + Cl + Al(CH3COO) + H2O =>
2 C8H9NO2 + 16 AlCl3 + 17 CH3COOH = 2 C9H13N + 48 Cl + 16 Al(CH3COO) + 6 H2O
AgCl + NH4OH = AgOH + NH4Cl =>
AgCl + NH4OH = AgOH + NH4Cl
HNO3 + Cu(OH)2 = Cu(NO3)2 + H2O =>
2 HNO3 + Cu(OH)2 = Cu(NO3)2 + 2 H2O
KOH + NaSO4 = KSO4 + NaOH =>
KOH + NaSO4 = KSO4 + NaOH
Ca + Na2O = Na + CaO =>
Ca + Na2O = 2 Na + CaO
Ca(OH)2 + PH3 = P(OH)3 + CaH2 =>
3 Ca(OH)2 + 2 PH3 = 2 P(OH)3 + 3 CaH2
S8 + Se = Se2S3 =>
3 S8 + 16 Se = 8 Se2S3
C3H5O3{-} + O2 + H{+} = CO2 + H2O =>
C3H5O3{-} + 3 O2 + H{+} = 3 CO2 + 3 H2O
Mn(OH)5 + H2CO3 = Mn2(CO3)5 + H2O =>
2 Mn(OH)5 + 5 H2CO3 = Mn2(CO3)5 + 10 H2O
N2F4 + N4 + H2S = NH4F + H3NS4 =>
10 N2F4 + 13 N4 + 128 H2S = 40 NH4F + 32 H3NS4
NaOH + NaBr = Na + BrOH =>
NaOH + NaBr = 2 Na + BrOH
Fe(NO3)3*9H2O + Sr(NO3)2 + C6H8O7*H2O + Mn(NO3)2*4H2O = Sr2Fe20Mn4O38 + N2 + CO2 + H2O =>
180 Fe(NO3)3*9H2O + 18 Sr(NO3)2 + 178 C6H8O7*H2O + 36 Mn(NO3)2*4H2O = 9 Sr2Fe20Mn4O38 + 324 N2 + 1068 CO2 + 2654 H2O
(C3H6O3)17345 = C6H8O4 + H2O =>
2(C3H6O3)17345 = 17345 C6H8O4 + 34690 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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