Équations équilibrées la veille | Équations équilibrées le lendemain |
K2Cr2O7 + FeSO4 + 3 NaOH = K2SO4 + Cr2O7 + Fe(OH)3 + 3 Na
Ba(OH)2 + Fe2O3 = BaO + Fe(OH)3 =>
3 Ba(OH)2 + Fe2O3 = 3 BaO + 2 Fe(OH)3
SiF4 + O2 = SiO2 + OF2 =>
SiF4 + 2 O2 = SiO2 + 2 OF2
C2H2(g) + O2(g) = CO2 + H2O =>
2 C2H2(g) + 5 O2(g) = 4 CO2 + 2 H2O
CH3COCH3 + CH3OH = CH3OCCH3OHCH3 =>
CH3COCH3 + CH3OH = CH3OCCH3OHCH3
K2MnO4 + H2SO4 = K2SO4 + HMnO4 + MnO(OH)2 + H2O =>
3 K2MnO4 + 3 H2SO4 = 3 K2SO4 + 2 HMnO4 + MnO(OH)2 + H2O
(CH3)2S2 + O2 = H2O + CO2 + SO2 =>
2(CH3)2S2 + 11 O2 = 6 H2O + 4 CO2 + 4 SO2
C3H6Cl2 + Mg = C3H6 + MgCl2 =>
C3H6Cl2 + Mg = C3H6 + MgCl2
Cr(OH)3 + NaClO + Na2CO3 = NaCrO3 + NaCl + CO2 + H2O =>
2 Cr(OH)3 + 2 NaClO + Na2CO3 = 2 NaCrO3 + 2 NaCl + CO2 + 3 H2O
Na2S + Cu(NO3)2 = Na(NO3) + CuS =>
Na2S + Cu(NO3)2 = 2 Na(NO3) + CuS
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
Zn2 + HNO3 = Zn[NO3]2 + H2O + N2 =>
5 Zn2 + 24 HNO3 = 10 Zn[NO3]2 + 12 H2O + 2 N2
ClO2 + H2O = Cl04 + OH =>
4 ClO2 + 8 H2O = Cl04 + 16 OH
C4H4N2 + O2 = HNO3 + CO2 + H2O =>
2 C4H4N2 + 15 O2 = 4 HNO3 + 8 CO2 + 2 H2O
(VO2)2SO4 + H2O2 = (VO(O2)(H2O))2SO4 =>
(VO2)2SO4 + 2 H2O2 = (VO(O2)(H2O))2SO4
Pb3(PO4)2 + Na2SO4 = PbSO4 + Na3PO4 =>
Pb3(PO4)2 + 3 Na2SO4 = 3 PbSO4 + 2 Na3PO4
(NH4)2CO3(aq) = NH4 + (CO3) =>
(NH4)2CO3(aq) = 2 NH4 + (CO3)
NaCl + S2 = NaS + Cl2 =>
2 NaCl + S2 = 2 NaS + Cl2
[Be(H2O)4]Cl2 + KOH = K2[Be(OH)4] + H2O + KCl =>
[Be(H2O)4]Cl2 + 4 KOH = K2[Be(OH)4] + 4 H2O + 2 KCl
KMnO4 + NaBr + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O + Br =>
2 KMnO4 + 10 NaBr + 8 H2SO4 = 2 MnSO4 + K2SO4 + 5 Na2SO4 + 8 H2O + 10 Br
AgClO4 + AlBr = AgBr + Al(ClO4) =>
AgClO4 + AlBr = AgBr + Al(ClO4)
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
K2Cr2O7 + H2C2O4*3H2O + K2C2O4 = [K3Cr(C2O4)3]*3H2O + CO2 + H2O =>
K2Cr2O7 + 7 H2C2O4*3H2O + 2 K2C2O4 = 2[K3Cr(C2O4)3]*3H2O + 6 CO2 + 22 H2O
Na2B4O7 + H2SO4 + H2O = H3BO3 + Na2SO4 =>
Na2B4O7 + H2SO4 + 5 H2O = 4 H3BO3 + Na2SO4
Al2S3 + KOH = K[Al(OH)4] + K2S =>
Al2S3 + 8 KOH = 2 K[Al(OH)4] + 3 K2S
C + H2SO4 = CO2 + H2 + SO2 =>
C + H2SO4 = CO2 + H2 + SO2
NaOH + NH3 = N2 + NaH + H2O =>
3 NaOH + 2 NH3 = N2 + 3 NaH + 3 H2O
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
NaOH + HCl = NaCl + HOH =>
NaOH + HCl = NaCl + HOH
ZnO + ZnS = SO2 + Zn =>
2 ZnO + ZnS = SO2 + 3 Zn
LrCl3 + NaOH = Lr2O3 + HCl + NaCl =>
2 LrCl3 + 3 NaOH = Lr2O3 + 3 HCl + 3 NaCl
C(s) + SO2(g) = CO(g) + CS2(l) =>
5 C(s) + 2 SO2(g) = 4 CO(g) + CS2(l)
HCl + MnO2 = MnCl2 + Cl2 + H2O =>
4 HCl + MnO2 = MnCl2 + Cl2 + 2 H2O
Fe2O3 + H2O = FeO4 + H =>
Fe2O3 + 5 H2O = 2 FeO4 + 10 H
C6H5NO2 + NaOH + Al + H2O = C6H7N + NaAl(OH)6 =>
5 C6H5NO2 + 6 NaOH + 6 Al + 20 H2O = 5 C6H7N + 6 NaAl(OH)6
CrOH3 + NH3 = Cr + H2O + NH4 =>
CrOH3 + NH3 = Cr + H2O + NH4
Cu2S + KNO3 = Cu2O + K2SO4 + SO3 + N2 =>
5 Cu2S + 8 KNO3 = 5 Cu2O + 4 K2SO4 + SO3 + 4 N2
Fe(OH)3 + NaNO3 + HCl = NaCl3 + FeNO3 + H2O =>
Fe(OH)3 + NaNO3 + 3 HCl = NaCl3 + FeNO3 + 3 H2O
CH3CH2OK + CH3Cl = CH3CH2OCH3 + KCl =>
CH3CH2OK + CH3Cl = CH3CH2OCH3 + KCl
Cu2S + KNO3 = Cu2O + K2SO4 + SO3 + N2 =>
5 Cu2S + 8 KNO3 = 5 Cu2O + 4 K2SO4 + SO3 + 4 N2
C + CO2 = CO =>
C + CO2 = 2 CO
Cu(NH3)4 + H2SO4 + Cl2 = CuSO4 + (NH4)2SO4 + HCl =>
Cu(NH3)4 + 3 H2SO4 + Cl2 = CuSO4 + 2(NH4)2SO4 + 2 HCl
C2H5 + NO2 = H2NCH2COOH =>
C2H5 + NO2 = H2NCH2COOH
Zn(NO3)2 + NaBr = NaNO3 + ZnBr2 =>
Zn(NO3)2 + 2 NaBr = 2 NaNO3 + ZnBr2
Sr(OH)2 + H3PO4 = H2O + Sr3(PO4)2 =>
3 Sr(OH)2 + 2 H3PO4 = 6 H2O + Sr3(PO4)2
Sc(NO3)2 + NaOH = Sc(OH)2 + NaNO3 =>
Sc(NO3)2 + 2 NaOH = Sc(OH)2 + 2 NaNO3
KCl + AgNo2 = KNo2 + AgCl =>
KCl + AgNo2 = KNo2 + AgCl
NH4Cl + HOH = NH4(OH) + HCl =>
NH4Cl + HOH = NH4(OH) + HCl
Ag + K(CN) + O2 + H2O = KAg(CN)2 + K(OH) =>
4 Ag + 8 K(CN) + O2 + 2 H2O = 4 KAg(CN)2 + 4 K(OH)
CaCl2 + AgBr = CaBr + AgCl2 =>
CaCl2 + AgBr = CaBr + AgCl2
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