Équations équilibrées la veille |
3 As2O3 + 4 KNO3 + 7 H2O = 4 H3AsO4 + 4 NO + 2 K2HAsO4
MnSO4(aq) + KOH(aq) = Mn(OH)2(aq) + K2SO4(aq) =>
MnSO4(aq) + 2 KOH(aq) = Mn(OH)2(aq) + K2SO4(aq)
At + O2 = At2O7 =>
4 At + 7 O2 = 2 At2O7
Ca(OH)2 + (NH4)3PO4 = Ca3(PO4)2 + NH3 + H2O =>
3 Ca(OH)2 + 2(NH4)3PO4 = Ca3(PO4)2 + 6 NH3 + 6 H2O
Au + NaOH = Au(OH)2 + Na =>
Au + 2 NaOH = Au(OH)2 + 2 Na
AuCl3 + H2S + H2O = Au + HCl + H2SO4 =>
8 AuCl3 + 3 H2S + 12 H2O = 8 Au + 24 HCl + 3 H2SO4
B2O3(s) + H2O = H3BO3 =>
B2O3(s) + 3 H2O = 2 H3BO3
KCl + NH4CO3 = NH4Cl + KCO3 =>
KCl + NH4CO3 = NH4Cl + KCO3
CaCl2 + NaHCO3 = CaCO3 + NaCl + HCl =>
CaCl2 + NaHCO3 = CaCO3 + NaCl + HCl
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H9OH + Br2 = C4H9OBr + HBr =>
C4H9OH + Br2 = C4H9OBr + HBr
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KOH + CO = K2CO3 + H2 =>
2 KOH + CO = K2CO3 + H2
UO2F2 + NH4OH = (NH4)2U2O7 + NH4F + H2O =>
2 UO2F2 + 6 NH4OH = (NH4)2U2O7 + 4 NH4F + 3 H2O
LiH + HCl = LiCl + H =>
LiH + HCl = LiCl + 2 H
C6H4ClNO2 + NH3 = C6H6N2O2 + NH4Cl =>
C6H4ClNO2 + 2 NH3 = C6H6N2O2 + NH4Cl
Cu(OH)2 + Na2CO3 = CuCO3 + NaOH =>
Cu(OH)2 + Na2CO3 = CuCO3 + 2 NaOH
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
FeCl2(aq) + Ag3Po4(aq) = Fe3(Po4)2(aq) + AgCl(s) =>
3 FeCl2(aq) + 2 Ag3Po4(aq) = Fe3(Po4)2(aq) + 6 AgCl(s)
Na2SO4 + FeCl3 = Na3Cl3 + Fe2(SO4)3 =>
3 Na2SO4 + 2 FeCl3 = 2 Na3Cl3 + Fe2(SO4)3
Ca(OH)2 + SnO2 = CaO + Sn(OH)4 =>
2 Ca(OH)2 + SnO2 = 2 CaO + Sn(OH)4
(CH3)3CNH3Cl + H2O = H3O + (CH3)3CNH2Cl =>
(CH3)3CNH3Cl + H2O = H3O + (CH3)3CNH2Cl
Na2SO4 + FeCl3 = Na3Cl3 + Fe2(SO4)3 =>
3 Na2SO4 + 2 FeCl3 = 2 Na3Cl3 + Fe2(SO4)3
potassium + oxygen = K2O =>
4 K + O2 = 2 K2O
CuSO4 + Na2HPO4 = Na2SO4 + Cu3(PO4)2 + NaH2PO4 =>
3 CuSO4 + 4 Na2HPO4 = 3 Na2SO4 + Cu3(PO4)2 + 2 NaH2PO4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaHCO3 + NaOH = Na2CO3 + H2O =>
NaHCO3 + NaOH = Na2CO3 + H2O
S8 + Fe = Fe2S3 =>
3 S8 + 16 Fe = 8 Fe2S3
Fe2(SO4)3 + KI = K2SO4 + FeI3 =>
Fe2(SO4)3 + 6 KI = 3 K2SO4 + 2 FeI3
Cu + CaO = CuO + Ca =>
Cu + CaO = CuO + Ca
Br2 + CuF = CuBr + F2 =>
Br2 + 2 CuF = 2 CuBr + F2
CuO + H2O + CO2 = (CuOH)2CO3 =>
2 CuO + H2O + CO2 = (CuOH)2CO3
Bm + Eg = BmEg =>
Bm + Eg = BmEg
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C2H3LiO2 + Fe2O3 + O2 = Li5FeO4 + CO2 + H2O =>
10 C2H3LiO2 + Fe2O3 + 20 O2 = 2 Li5FeO4 + 20 CO2 + 15 H2O
Zn(OH)2(aq) + CH3COOH(aq) = Zn(CH3COO)2(aq) + H2O =>
Zn(OH)2(aq) + 2 CH3COOH(aq) = Zn(CH3COO)2(aq) + 2 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NaBrO3 + H2SO3 = Br + NaHSO4 + H2SO4 + H2O =>
2 NaBrO3 + 5 H2SO3 = 2 Br + 2 NaHSO4 + 3 H2SO4 + H2O
FeCl + NaH = NaCl + FeH =>
FeCl + NaH = NaCl + FeH
Al2O3*3H2O = Al2O3 + H2O =>
Al2O3*3H2O = Al2O3 + 3 H2O
Na2Cr2O7 + Zn = ZnCr2O7 + Na =>
Na2Cr2O7 + Zn = ZnCr2O7 + 2 Na
B2O3(s) + H2O = H3BO3(aq) =>
B2O3(s) + 3 H2O = 2 H3BO3(aq)
ZnSO3 + HBr = ZnBr2 + H2SO3 =>
ZnSO3 + 2 HBr = ZnBr2 + H2SO3
C2H5Cl + C6H5 = C6H5CH3 + HCl =>
13 C2H5Cl + 12 C6H5 = 14 C6H5CH3 + 13 HCl
B2O3 + KOH = KBO2 + H2O =>
B2O3 + 2 KOH = 2 KBO2 + H2O
CuSO4 + potassiumhydroxide = Cu(OH)2 + potassiumsulfate =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
NiF3 + H2 = HF + Ni =>
2 NiF3 + 3 H2 = 6 HF + 2 Ni
Ba(CH3COO)2 + K2SO4 = Ba(SO4) + KCH3COO =>
Ba(CH3COO)2 + K2SO4 = Ba(SO4) + 2 KCH3COO
Fe2(SO4)3 + CaCl2 = Cl3Fe + CaSO4 =>
Fe2(SO4)3 + 3 CaCl2 = 2 Cl3Fe + 3 CaSO4
C8H18S2 + O2 = CO2 + H2O + SO2 =>
2 C8H18S2 + 29 O2 = 16 CO2 + 18 H2O + 4 SO2
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