Équations équilibrées la veille |
4 KOH + 3 H2O2 + 2 Cr(OH)3 = 2 K2(CrO4) + 8 H2O
SiO2 + H2O + N2 = Si6H12O6 + HNO =>
6 SiO2 + 18 H2O + 12 N2 = Si6H12O6 + 24 HNO
Na2CO3(aq) + CoCl3(aq) = Co2(CO3)3(s) + NaCl(aq) =>
3 Na2CO3(aq) + 2 CoCl3(aq) = Co2(CO3)3(s) + 6 NaCl(aq)
CHO3Rb = Rb2CO3 + CO2 + H2O =>
2 CHO3Rb = Rb2CO3 + CO2 + H2O
NaClO3 + H2SO4 + CH4O = NaHSO4 + ClO2 + CO2 + H2O =>
6 NaClO3 + 6 H2SO4 + CH4O = 6 NaHSO4 + 6 ClO2 + CO2 + 5 H2O
KH2CO3 + O2 = K2CO3 + CO2 + H2O =>
4 KH2CO3 + O2 = 2 K2CO3 + 2 CO2 + 4 H2O
HNO3 + CuSO4 = H2SO4 + Cu(NO3)2 =>
2 HNO3 + CuSO4 = H2SO4 + Cu(NO3)2
Ca(OH)2 + H3P = Ca3P2 + H2O =>
3 Ca(OH)2 + 2 H3P = Ca3P2 + 6 H2O
H{+} + AsO43{-} + H2S = As2{+} + S + H2O =>
6 H{+} + 4 AsO43{-} + 169 H2S = 2 As2{+} + 169 S + 172 H2O
Mn{4}O{2} + HCl = Mn{2}Cl + Cl + H{2}O =>
Mn{4}O{2} + HCl = Mn{2}Cl + Cl + H{2}O
HCOOH + Ag(NH3)2OH = Ag + (NH4)2CO3 + NH3 + H2O =>
HCOOH + 2 Ag(NH3)2OH = 2 Ag + (NH4)2CO3 + 2 NH3 + H2O
S3O2 + H2SO4 = S3SO4 + H2O =>
8 S3O2 + 4 H2SO4 = 7 S3SO4 + 4 H2O
Sn(OH)4 + H3AsO4 = H2O + Sn3(AsO4)4 =>
3 Sn(OH)4 + 4 H3AsO4 = 12 H2O + Sn3(AsO4)4
MgSO4 + K2CO3 = MgCO3 + K2(SO4) =>
MgSO4 + K2CO3 = MgCO3 + K2(SO4)
Sb2S3 + HNO3 = Sb2O5 + NO2 + S + H2O =>
Sb2S3 + 10 HNO3 = Sb2O5 + 10 NO2 + 3 S + 5 H2O
K + MnHSO4 = K2HSO4 + Mn =>
2 K + MnHSO4 = K2HSO4 + Mn
Zn + H{+} + NO3 = Zn{2+} + N2 + H2O =>
6 Zn + 12 H{+} + 2 NO3 = 6 Zn{2+} + N2 + 6 H2O
AlF3 + NaF = Na3[AlF6] =>
AlF3 + 3 NaF = Na3[AlF6]
CaCO3(s) + H2O(l) = Ca(OH)2(ac) + CO2(g) =>
CaCO3(s) + H2O(l) = Ca(OH)2(ac) + CO2(g)
H2 + CO5 = HCO5 =>
H2 + 2 CO5 = 2 HCO5
Al(HSO4)3 + Ba(OH)2 = Ba(HSO4)2 + Al(OH)3 =>
2 Al(HSO4)3 + 3 Ba(OH)2 = 3 Ba(HSO4)2 + 2 Al(OH)3
(CH3COO)Na + SnCl2 + H2O = Sn(OH)2 + CH3COOH + NaCl =>
2(CH3COO)Na + SnCl2 + 2 H2O = Sn(OH)2 + 2 CH3COOH + 2 NaCl
Al + CuCl2 = AlCl3 + Cu2 =>
4 Al + 6 CuCl2 = 4 AlCl3 + 3 Cu2
NaOH + HNO3 = NaNO3 + H2O = =>
NaOH + HNO3 = NaNO3 + H2O
ZnS + O2 = ZnSO =>
2 ZnS + O2 = 2 ZnSO
Cl2 + NH3 = NH4Cl + NCl2 =>
5 Cl2 + 8 NH3 = 6 NH4Cl + 2 NCl2
Cr2(SO4)3 + Na2S + H2O = Na2Cr2O7 + Na2SO3 + H2S =>
Cr2(SO4)3 + 4 Na2S + 4 H2O = Na2Cr2O7 + 3 Na2SO3 + 4 H2S
(Fe(NO3)3) + (H2SO4) = (HNO3) + Fe2(SO4)3 =>
2(Fe(NO3)3) + 3(H2SO4) = 6(HNO3) + Fe2(SO4)3
MgCO3(s) = MgO(g) + CO2 =>
MgCO3(s) = MgO(g) + CO2
NH4Cl + NaOH = NH4OH + NaCl =>
NH4Cl + NaOH = NH4OH + NaCl
K2Cr2O7 + HCl = KClCrCl3 + H2O + Cl =>
K2Cr2O7 + 14 HCl = 2 KClCrCl3 + 7 H2O + 6 Cl
W3P2 + BBr3 = WBr2 + BP =>
W3P2 + 2 BBr3 = 3 WBr2 + 2 BP
KMnO4 + NaOH + Na2S2O5 = Na2MnO4 + K2SO4 + H2O =>
4 KMnO4 + 6 NaOH + Na2S2O5 = 4 Na2MnO4 + 2 K2SO4 + 3 H2O
KCl(aq) + NaNO3(aq) = KNa(s) + ClNO3(aq) =>
KCl(aq) + NaNO3(aq) = KNa(s) + ClNO3(aq)
(a)NH3(g) + O2(g) = NO(g) + H2O(g) =>
4(a)NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
C2H4Cl2 = C2H4 + Cl =>
C2H4Cl2 = C2H4 + 2 Cl
Ca(OH)2 + H3PO4 = CaHPO4 + H2O =>
Ca(OH)2 + H3PO4 = CaHPO4 + 2 H2O
C3H7NH2 + H2O = C3H7OH + NH3 =>
C3H7NH2 + H2O = C3H7OH + NH3
C3Cl2N3NaO3 + HCl + H2O = NaOCl + C3H3N3O3 + Cl2 =>
C3Cl2N3NaO3 + HCl + H2O = NaOCl + C3H3N3O3 + Cl2
BaNO3 + CuSO4 = Cu(NO3)2 + Ba2SO4 =>
2 BaNO3 + CuSO4 = Cu(NO3)2 + Ba2SO4
FeCl3 + KI = FeCl2 + I + KCl =>
FeCl3 + KI = FeCl2 + I + KCl
HBr + KMnO4 + H2S = KBr + MnBr2 + S + H2O =>
6 HBr + 2 KMnO4 + 5 H2S = 2 KBr + 2 MnBr2 + 5 S + 8 H2O
H2O(aq) + CO2(g) = H2CO3(aq) =>
H2O(aq) + CO2(g) = H2CO3(aq)
KCI(ac) + AgNO3(ac) + NH4OH(ac) = AgCI(s) + KOH(ac) + NH4NO3(ac) =>
KCI(ac) + AgNO3(ac) + NH4OH(ac) = AgCI(s) + KOH(ac) + NH4NO3(ac)
KNO3 + C = K2CO3 + CO2 + N3 =>
12 KNO3 + 15 C = 6 K2CO3 + 9 CO2 + 4 N3
KMnO4 + HCl = KCl + MnCl2 + Cl2 + H2O =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 5 Cl2 + 8 H2O
Na + H = Na2H3 =>
2 Na + 3 H = Na2H3
N2H4(g) + H2O2(l) = N2(g) + H2O(g) =>
N2H4(g) + 2 H2O2(l) = N2(g) + 4 H2O(g)
Na2Co3 + BaCl = NaCl + Co3Ba2 =>
Na2Co3 + 2 BaCl = 2 NaCl + Co3Ba2
NH4NO3(aq) + NaBr(aq) = NH4Br(aq) + NaNO3(l) =>
NH4NO3(aq) + NaBr(aq) = NH4Br(aq) + NaNO3(l)
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