| Équations équilibrées la veille |
H2SO4 + NaCO3 = H2CO3 + NaSO4
CH3H8 + O2 = CO2 + H2O =>
4 CH3H8 + 15 O2 = 4 CO2 + 22 H2O
Pb3Ag3S2 + O = PbO + Ag3 + SO2 =>
Pb3Ag3S2 + 7 O = 3 PbO + Ag3 + 2 SO2
CH12O + O2 = CO2 + H2O =>
2 CH12O + 7 O2 = 2 CO2 + 12 H2O
Zn + Pb(SO4)2 = Zn(SO4)2 + Pb =>
Zn + Pb(SO4)2 = Zn(SO4)2 + Pb
Mg4(OH)2(CO3)3 + CO2 + H2O = Mg(HCO3)2 =>
Mg4(OH)2(CO3)3 + 5 CO2 + 3 H2O = 4 Mg(HCO3)2
MgSO4 + K(OH) = K2SO4 + Mg(OH)2 =>
MgSO4 + 2 K(OH) = K2SO4 + Mg(OH)2
FeS2(aq) + O2(g) = Fe2O3(aq) + SO2(g) =>
4 FeS2(aq) + 11 O2(g) = 2 Fe2O3(aq) + 8 SO2(g)
H2O + NH3 + SO2 = N2H8SO3 =>
H2O + 2 NH3 + SO2 = N2H8SO3
Zn + HNO3 = Zn(HO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(HO3)2 + 5 N2O + H2O
Zn(OH)4 + NH3 + H2O = Zn(OH)5 + NH4 =>
Zn(OH)4 + NH3 + H2O = Zn(OH)5 + NH4
NH4F + NiSO4 = F2Ni + (NH4)2SO4 =>
2 NH4F + NiSO4 = F2Ni + (NH4)2SO4
O + Br = BrO2 =>
2 O + Br = BrO2
H + Cl + O = H2ClO =>
2 H + Cl + O = H2ClO
Ba(OH)2 + MgBr2 = Mg(OH)2 + BaBr2 =>
Ba(OH)2 + MgBr2 = Mg(OH)2 + BaBr2
H3BO3 + H2O = B(OH)4{-} + H{+} =>
H3BO3 + H2O = B(OH)4{-} + H{+}
AgCl + AlPO4 = AgPO4 + AlCl =>
AgCl + AlPO4 = AgPO4 + AlCl
(NH2)2CO + NaOCl + NaOH = Na2CO3 + NaCl + N2H4 + H2O =>
(NH2)2CO + NaOCl + 2 NaOH = Na2CO3 + NaCl + N2H4 + H2O
C12H22O11(s)H2O(l) = C2H5OH(aq)CO2(g) =>
C12H22O11(s)H2O(l) = 4 C2H5OH(aq)CO2(g)
Cu2O + H2 = H2O3 + Cu =>
3 Cu2O + H2 = H2O3 + 6 Cu
SO3 + CaO = CaSO4 =>
SO3 + CaO = CaSO4
KBr(aq) + I2(aq) = KI + Br2 =>
2 KBr(aq) + I2(aq) = 2 KI + Br2
KCl + K2Cr2O7 + H2SO4 = KHSO4 + Cl2 + Cr2(SO4)3 + H2O =>
6 KCl + K2Cr2O7 + 11 H2SO4 = 8 KHSO4 + 3 Cl2 + Cr2(SO4)3 + 7 H2O
H3O8 + CO2 = CO5 + H9O =>
9 H3O8 + 23 CO2 = 23 CO5 + 3 H9O
FeSO4 + KMnO4 + H2SO4 = Fe2(O4)3 + KHSO4 + MnSO4 + H2O =>
2 FeSO4 + 4 KMnO4 + 6 H2SO4 = Fe2(O4)3 + 4 KHSO4 + 4 MnSO4 + 4 H2O
Cu(s) + (HNO3)2(ac) = Cu(NO3)2(ac) + NO(l) + H2O(g) =>
3 Cu(s) + 4(HNO3)2(ac) = 3 Cu(NO3)2(ac) + 2 NO(l) + 4 H2O(g)
NaBH4 = BH3 + H2 + Na =>
2 NaBH4 = 2 BH3 + H2 + 2 Na
CH3COOH + NH3OH = [NH4] + [CHCOO] + H2O =>
2 CH3COOH + 3 NH3OH = 3[NH4] + 2[CHCOO] + 3 H2O
Na2S2O3 + HCI = NaCI + H2O + SO2 + S =>
Na2S2O3 + 2 HCI = 2 NaCI + H2O + SO2 + S
C7H6O2(l) + O2(g) = CO2(g) + H2O(s) =>
2 C7H6O2(l) + 15 O2(g) = 14 CO2(g) + 6 H2O(s)
Cr2S3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O + Na2SO4 =>
Cr2S3 + 15 Br2 + 40 NaOH = 2 Na2CrO4 + 30 NaBr + 20 H2O + 3 Na2SO4
SiO + H2O = SiO3 + H2 =>
SiO + 2 H2O = SiO3 + 2 H2
CuCl2*2H2O + NaOH = Cu(OH)2 + Cl + Na + H2O =>
CuCl2*2H2O + 2 NaOH = Cu(OH)2 + 2 Cl + 2 Na + 2 H2O
CH4H10(g) + O2(g) = CO2(l) + H2O(g) =>
2 CH4H10(g) + 9 O2(g) = 2 CO2(l) + 14 H2O(g)
NaMnO4 + NaCl + H2SO4 = Na2SO4 + MnSO4 + Cl2 + H2O =>
2 NaMnO4 + 10 NaCl + 8 H2SO4 = 6 Na2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
MgCO3(s) + HNO3(aq) = Mg(NO3)2(aq) + CO2(g) + H2O(g) =>
MgCO3(s) + 2 HNO3(aq) = Mg(NO3)2(aq) + CO2(g) + H2O(g)
Na2O2 + CO2 = Na2CO3(s) + O2 =>
2 Na2O2 + 2 CO2 = 2 Na2CO3(s) + O2
Fe + Cl3 = Fe2Cl5 =>
6 Fe + 5 Cl3 = 3 Fe2Cl5
K3[Mn(C2O4)3] + H2SO4 = MnSO4 + K2SO4 + H2C2O4 + CO2 =>
2 K3[Mn(C2O4)3] + 5 H2SO4 = 2 MnSO4 + 3 K2SO4 + 5 H2C2O4 + 2 CO2
C4H8 + O2 = CO2 + HOH2 =>
3 C4H8 + 16 O2 = 12 CO2 + 8 HOH2
SnCl2 + Fe2(SO4)3 = FeCl3 + SnSO4 =>
3 SnCl2 + Fe2(SO4)3 = 2 FeCl3 + 3 SnSO4
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
NH2CONH2 + NaOCl = NaCl + NH2CO2NH2 = NaCl + NH2NH2 + CO2 =>
NH2CONH2 + NaOCl = NaCl + NH2CO2NH2
Al(NO3)3 + KOH = Al(OH)3 + KNO3 =>
Al(NO3)3 + 3 KOH = Al(OH)3 + 3 KNO3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
KMnO4 + H2SO4 + FeSO4 = MnSO4 + H2O + Fe2(SO4)3 + KFe(SO4)2 =>
KMnO4 + 4 H2SO4 + 5 FeSO4 = MnSO4 + 4 H2O + 2 Fe2(SO4)3 + KFe(SO4)2
Ca(OH)2 + Pb2O3 = CaO + Pb(OH)3 =>
3 Ca(OH)2 + Pb2O3 = 3 CaO + 2 Pb(OH)3
KClO3(aq) + HBr(aq) = Br2(l) + KCl(aq) + H2O(l) =>
KClO3(aq) + 6 HBr(aq) = 3 Br2(l) + KCl(aq) + 3 H2O(l)
C78H150O66N6PS2 + H2O = CH4 + CO2 + NH3 + H3PO4 + H2S =>
8 C78H150O66N6PS2 + 126 H2O = 313 CH4 + 311 CO2 + 48 NH3 + 8 H3PO4 + 16 H2S
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
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