Équations équilibrées la veille |
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Na2S2O3 + K[Sb(OH)6] = Na[Sb(OH)6] + K2S2O3 =>
Na2S2O3 + 2 K[Sb(OH)6] = 2 Na[Sb(OH)6] + K2S2O3
Na2SO3(aq) + K2Cr2O7(aq) + H2SO4(aq) = Na2SO4(aq) + K2SO4 + Cr2(SO4)3 + H2O(l) =>
3 Na2SO3(aq) + K2Cr2O7(aq) + 4 H2SO4(aq) = 3 Na2SO4(aq) + K2SO4 + Cr2(SO4)3 + 4 H2O(l)
Fe2O3 + HF = FeF3 + H2O =>
Fe2O3 + 6 HF = 2 FeF3 + 3 H2O
KMnO4 + HCl = MnCl2 + Cl(g) + KCl + H2O =>
KMnO4 + 8 HCl = MnCl2 + 5 Cl(g) + KCl + 4 H2O
KNO3 + Na2S = NaNO3 + K2S =>
2 KNO3 + Na2S = 2 NaNO3 + K2S
Cr0 + Pb{2+} = Cr{+3} + Pb0 =>
2 Cr0 + 3 Pb{2+} = 2 Cr{+3} + 3 Pb0
KO + H0 = KOH =>
KO + H0 = KOH
N2O5 + MgO = Mg(NO3)2 =>
N2O5 + MgO = Mg(NO3)2
C4H2 + H2O + C12H24O2 = C4H8O =>
C4H2 + 3 H2O + 2 C12H24O2 = 7 C4H8O
H(g) = H2 =>
2 H(g) = H2
Pb(NO3)2 + KI = PbI2 + K(NO3) =>
Pb(NO3)2 + 2 KI = PbI2 + 2 K(NO3)
XCO + HNO3 = XCHNO4 =>
XCO + HNO3 = XCHNO4
H3AsO4 = As2O5 + H2O =>
2 H3AsO4 = As2O5 + 3 H2O
AlBr3 + Zn = Al3 + ZnBr2 =>
6 AlBr3 + 9 Zn = 2 Al3 + 9 ZnBr2
Mn2(MoO4)7 + Ca3(PO4)2 = Mn3(PO4)7 + CaMoO4 =>
3 Mn2(MoO4)7 + 7 Ca3(PO4)2 = 2 Mn3(PO4)7 + 21 CaMoO4
Na2CO3 + HCl = CO2 + NaOH + NaCl =>
Na2CO3 + HCl = CO2 + NaOH + NaCl
P4(s) + H2(g) = H2(g)PH3(g) =>
P4(s) + 10 H2(g) = 4 H2(g)PH3(g)
NaNO2 + K2Cr2O7 + H2SO4 = NaNO3 + K2SO4 + Cr2(SO4)3 + H2O =>
3 NaNO2 + K2Cr2O7 + 4 H2SO4 = 3 NaNO3 + K2SO4 + Cr2(SO4)3 + 4 H2O
PbCl2 + KBr = PbBr2 + KCl =>
PbCl2 + 2 KBr = PbBr2 + 2 KCl
KMnO4 + NaOH + Na2S2O3 = Na2MnO4 + Na2S2O6 + KOH + H2O =>
6 KMnO4 + 12 NaOH + Na2S2O3 = 6 Na2MnO4 + Na2S2O6 + 6 KOH + 3 H2O
Cu + H2S = H2 + CuS =>
Cu + H2S = H2 + CuS
P + Cr = Cr5P3 =>
3 P + 5 Cr = Cr5P3
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
I + O3 + H2O = HIO4 =>
6 I + 7 O3 + 3 H2O = 6 HIO4
H2(g) + O2(l) = H2O(l) =>
2 H2(g) + O2(l) = 2 H2O(l)
Pb + AgI = PbI2 + Ag =>
Pb + 2 AgI = PbI2 + 2 Ag
Gd2O3 + ZnO = Gd2ZnO4 =>
Gd2O3 + ZnO = Gd2ZnO4
Na2Cr2O7 + KBr = NaBr + K2Cr2O7 =>
Na2Cr2O7 + 2 KBr = 2 NaBr + K2Cr2O7
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
AlCl3 + Ru(NO3)3 = RuCl3 + Al(NO3)3 =>
AlCl3 + Ru(NO3)3 = RuCl3 + Al(NO3)3
NiSO4 + Zn = Ni + SO4Zn =>
NiSO4 + Zn = Ni + SO4Zn
Ba2 + H2SO4 = BaSO4 + H2 =>
Ba2 + 2 H2SO4 = 2 BaSO4 + 2 H2
Pb(OCN)2 + H2O + NH3 = Pb(OH)2 + (NH2)2CO =>
Pb(OCN)2 + 2 H2O + 2 NH3 = Pb(OH)2 + 2(NH2)2CO
H2SeO4 + HCl = H2SeO3 + HClO4 =>
4 H2SeO4 + HCl = 4 H2SeO3 + HClO4
Na3PO4 + NH4CH3COO = Na3CH3COO + PO4NH4 =>
Na3PO4 + NH4CH3COO = Na3CH3COO + PO4NH4
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
C + K + U + F = KUFC =>
C + K + U + F = KUFC
HCl + Al(OH) = AlCl + H2O =>
HCl + Al(OH) = AlCl + H2O
Zn + C6H12O7 = Zn3(C6H5O7)2 + H2 =>
3 Zn + 2 C6H12O7 = Zn3(C6H5O7)2 + 7 H2
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
NaClO4 + Fe(OH)2 + H2O = NaCl + Fe(OH)3 =>
NaClO4 + 8 Fe(OH)2 + 4 H2O = NaCl + 8 Fe(OH)3
PbO2 + FeSO4 + H2SO4 = PbSO4 + Fe2(SO4)3 + H2O =>
PbO2 + 2 FeSO4 + 2 H2SO4 = PbSO4 + Fe2(SO4)3 + 2 H2O
MnO + KOHO2 + Cl2 = KMnO4 + KCl + H2O =>
10 MnO + 12 KOHO2 + Cl2 = 10 KMnO4 + 2 KCl + 6 H2O
CH3CH(CH3)COH + K2Cr2O7 + HNO3 = Cr(NO3)3 + KNO3 + CH3CH(CH3)COOH + H2O =>
3 CH3CH(CH3)COH + K2Cr2O7 + 8 HNO3 = 2 Cr(NO3)3 + 2 KNO3 + 3 CH3CH(CH3)COOH + 4 H2O
CH3NH2*Cl + CH3COONa = NaCl + CH3NH2*CH3COO =>
CH3NH2*Cl + CH3COONa = NaCl + CH3NH2*CH3COO
H2Cr2O7 + C + H2SO4 = Cr2(SO4)3 + CO2 + H2O =>
2 H2Cr2O7 + 3 C + 6 H2SO4 = 2 Cr2(SO4)3 + 3 CO2 + 8 H2O
CHOOH + CH3CH2CH2CH2OH = H2O + CH3CH2CH2CH2CHOO =>
CHOOH + CH3CH2CH2CH2OH = H2O + CH3CH2CH2CH2CHOO
PbCl2 = Pb + Cl =>
PbCl2 = Pb + 2 Cl
BaSO4 = BaS + O2 =>
BaSO4 = BaS + 2 O2
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