Équations équilibrées la veille |
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + N2O(g) + 5 H2O(l)
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
NO(g) + O2(g) = NO2(g) =>
2 NO(g) + O2(g) = 2 NO2(g)
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + N2O(g) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + N2O(g) + 5 H2O(l)
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
H + NaNO3 = Na + HNO3 =>
H + NaNO3 = Na + HNO3
CH3CH2CH2CH2OH + H2O = CO2 + H2 =>
CH3CH2CH2CH2OH + 7 H2O = 4 CO2 + 12 H2
Fe + HNO3 = FeNO33 + H2O + NO2 =>
Fe + 62 HNO3 = FeNO33 + 31 H2O + 61 NO2
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + N2O(g) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + N2O(g) + 5 H2O(l)
SiC + CI2 = SiCI4 + C =>
SiC + 2 CI2 = SiCI4 + 2 C
Ba(NO3)2 + H2SO4 = BaSO4 + HNO3 =>
Ba(NO3)2 + H2SO4 = BaSO4 + 2 HNO3
S + HNO3 = H2SO4 + NO2 + H2O =>
S + 6 HNO3 = H2SO4 + 6 NO2 + 2 H2O
MgCO2 + NaOH = Mg(OH)2 + Na2CO2 =>
MgCO2 + 2 NaOH = Mg(OH)2 + Na2CO2
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + NH4NO3(aq) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + NH4NO3(aq) + 3 H2O(l)
Na2CrO4 + Co(NO3)2 = CoCrO4 + Na2(NO3)2 =>
Na2CrO4 + Co(NO3)2 = CoCrO4 + Na2(NO3)2
NO(g) + Cl2(g) = NOCl(g) =>
2 NO(g) + Cl2(g) = 2 NOCl(g)
(NH4)2CO3 + Cu = CuCO3 + NH4 =>
(NH4)2CO3 + Cu = CuCO3 + 2 NH4
Pb3(OH)2(CO3)2 = PbO + CO2 + H2O =>
Pb3(OH)2(CO3)2 = 3 PbO + 2 CO2 + H2O
Cu3 + O2 = CuO =>
2 Cu3 + 3 O2 = 6 CuO
Zn(s) + HNO3(aq) = Zn(NO3)2 + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2 + H2(g)
Br2 + KI = I2 + KBr =>
Br2 + 2 KI = I2 + 2 KBr
SO2 + LiSiO3 = LiSO3 + SiO2 =>
SO2 + LiSiO3 = LiSO3 + SiO2
CaCl2(aq) + Na2CO3(aq) = CaCO3(s) + NaCl(aq) =>
CaCl2(aq) + Na2CO3(aq) = CaCO3(s) + 2 NaCl(aq)
NH3(aq) + O2(aq) = NO(g) + H2O(l) =>
4 NH3(aq) + 5 O2(aq) = 4 NO(g) + 6 H2O(l)
[Cu(NH3)4]SO4 = CuSO4 + NH3 =>
[Cu(NH3)4]SO4 = CuSO4 + 4 NH3
UO2 + H2SO4 = UO2SO4 + H =>
UO2 + H2SO4 = UO2SO4 + 2 H
Al2(SO4)3 + Ba(NO3)2 = Al(NO3)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(NO3)2 = 2 Al(NO3)3 + 3 BaSO4
Zn(s) + HNO3(aq) = Zn(NO3)2 + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2 + H2(g)
CaF2 + HCl = HF + CaCl2 =>
CaF2 + 2 HCl = 2 HF + CaCl2
CO(g) + NO(g) = CO2(g) + N2(g) =>
2 CO(g) + 2 NO(g) = 2 CO2(g) + N2(g)
Na2SSO3 = Na2S2O3 =>
Na2SSO3 = Na2S2O3
Rb + P = Rb3P =>
3 Rb + P = Rb3P
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + N2O(g) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + N2O(g) + 5 H2O(l)
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
Ba(NO3)2 + Na3PO4 = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaNO3
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
CO3 + H2O = C6H1206 + O2 =>
12 CO3 + 1206 H2O = 2 C6H1206 + 621 O2
Ir + HCl + NaClO3 = H2[IrCl6] + NaCl + H2O =>
3 Ir + 18 HCl + 2 NaClO3 = 3 H2[IrCl6] + 2 NaCl + 6 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Fe(OH)3(s) + H2SO4(aq) = Fe2(SO4)3(aq) + H2O(l) =>
2 Fe(OH)3(s) + 3 H2SO4(aq) = Fe2(SO4)3(aq) + 6 H2O(l)
C7H5N5O8 + O2 = H2O + CO2 + N2 =>
4 C7H5N5O8 + 17 O2 = 10 H2O + 28 CO2 + 10 N2
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + NH4NO3(aq) + H2O(l) =>
4 Zn(s) + 10 HNO3(aq) = 4 Zn(NO3)2(aq) + NH4NO3(aq) + 3 H2O(l)
BaCl2 + Fe = BaFe + Cl2 =>
BaCl2 + Fe = BaFe + Cl2
(NH4)2SO4 + Al(OH)3 = NH4OH + Al2(SO4)3 =>
3(NH4)2SO4 + 2 Al(OH)3 = 6 NH4OH + Al2(SO4)3
Ba(NO3)2 + K2SO4 = BaSO4 + KNO3 =>
Ba(NO3)2 + K2SO4 = BaSO4 + 2 KNO3
CaCl2(aq) + Na3PO4(aq) = Ca3(PO4)2(s) + NaCl(aq) =>
3 CaCl2(aq) + 2 Na3PO4(aq) = Ca3(PO4)2(s) + 6 NaCl(aq)
Al(OH)3(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2O(l) =>
2 Al(OH)3(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 6 H2O(l)
X(s) + HCl(aq) = XCl(aq) + H2(g) =>
2 X(s) + 2 HCl(aq) = 2 XCl(aq) + H2(g)
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