Équations équilibrées la veille |
(NH4)2S + Ag2NO3 = Ag2S + (NH4)2NO3
MgO + Na2CO3 = MgCO3 + Na2O =>
MgO + Na2CO3 = MgCO3 + Na2O
Ba(OH)2 + Cl2 = Ba(ClO3)2 + BaCl2 + H2O =>
6 Ba(OH)2 + 6 Cl2 = Ba(ClO3)2 + 5 BaCl2 + 6 H2O
K2Cr2O7 + NH4OH = Cr(OH)3 + N2 + KOH + H2O =>
K2Cr2O7 + 2 NH4OH = 2 Cr(OH)3 + N2 + 2 KOH + H2O
Ir(OH)3 = Ir2O3 + H2O =>
2 Ir(OH)3 = Ir2O3 + 3 H2O
NaC1 + H2SO4 = Na2SO4 + HC1 =>
2 NaC1 + H2SO4 = Na2SO4 + 2 HC1
HClO4 + HCl = HClO3 =>
3 HClO4 + HCl = 4 HClO3
RbOH + K2HPO4 = H2O + K3PO4 + Rb3PO4 =>
3 RbOH + 3 K2HPO4 = 3 H2O + 2 K3PO4 + Rb3PO4
Mg + SiO2 = Mg2Si + MgSiO3 =>
4 Mg + 3 SiO2 = Mg2Si + 2 MgSiO3
Ca2Si + HCl = CaCl2 + SiH4 =>
Ca2Si + 4 HCl = 2 CaCl2 + SiH4
KFe[Fe(CN)6] + NaOH = Na3[Fe(CN)6] + K3[Fe(CN)6] + Fe(OH)2 =>
3 KFe[Fe(CN)6] + 6 NaOH = 2 Na3[Fe(CN)6] + K3[Fe(CN)6] + 3 Fe(OH)2
NaHCO3 = Na2CO3 + H2 + O2 + CO =>
2 NaHCO3 = Na2CO3 + H2 + O2 + CO
CH3CH2CH2CH2OH + K2CrO7 + H2SO4 = CH3CHO + Cr2(SO4)3 + K2SO4 + H2O =>
9 CH3CH2CH2CH2OH + 4 K2CrO7 + 10 H2SO4 = 18 CH3CHO + 2 Cr2(SO4)3 + 4 K2SO4 + 19 H2O
CH3CHOHCOOH + Mg = CH3CHOHCOOMg + H2 =>
2 CH3CHOHCOOH + 2 Mg = 2 CH3CHOHCOOMg + H2
As + HNO3 + H2O = H3AsO4 + NO =>
3 As + 5 HNO3 + 2 H2O = 3 H3AsO4 + 5 NO
BaCO3(aq) + HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g) =>
BaCO3(aq) + 2 HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g)
CoBr2 + Li2S = CoS + LiBr =>
CoBr2 + Li2S = CoS + 2 LiBr
NaF + Ag2NO3 = AgF + Na2NO3 =>
2 NaF + Ag2NO3 = 2 AgF + Na2NO3
P2S3 + K2Cr2O7 + HBr = KBr + CrBr3 + S + H2O + H3PO4 =>
3 P2S3 + 5 K2Cr2O7 + 40 HBr = 10 KBr + 10 CrBr3 + 9 S + 11 H2O + 6 H3PO4
KI + AgCI = AgI + KCI =>
KI + AgCI = AgI + KCI
CH3COOC3H5 + H2O = CH3COOH + C3H8 =>
4 CH3COOC3H5 + 6 H2O = 7 CH3COOH + 2 C3H8
Cu + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu + 8 NH3 + O2 + 2 H2O = 2[Cu(NH3)4](OH)2
H2SO4 + RCOONa = RCOOH + Na2SO4 =>
H2SO4 + 2 RCOONa = 2 RCOOH + Na2SO4
CuO(s) + H2(g) = Cu(l) + H2O(g) =>
CuO(s) + H2(g) = Cu(l) + H2O(g)
MgCl3 + Na2CO3 = MgCO3 + Cl3Na2 =>
MgCl3 + Na2CO3 = MgCO3 + Cl3Na2
C9 + NaCl5 = Na3C6 + Cl3 =>
2 C9 + 9 NaCl5 = 3 Na3C6 + 15 Cl3
NaNO2 + KBr + HCl = Br2 + NO + NaCl + KCl + H2O =>
2 NaNO2 + 2 KBr + 4 HCl = Br2 + 2 NO + 2 NaCl + 2 KCl + 2 H2O
(CH3)3CCH2CH3 + O2 = CO2 + H2O =>
2(CH3)3CCH2CH3 + 19 O2 = 12 CO2 + 14 H2O
N4O12Sn + Na2CO3 = Sn(CO3)2 + NaNO3 =>
N4O12Sn + 2 Na2CO3 = Sn(CO3)2 + 4 NaNO3
Al2C3 + HBr = AlBr3 + C + H2 =>
Al2C3 + 6 HBr = 2 AlBr3 + 3 C + 3 H2
Zn + PbBr4 = Pb + ZnBr2 =>
2 Zn + PbBr4 = Pb + 2 ZnBr2
HNO3 + ZnSO4 = ZnNO3 + HSO4 =>
HNO3 + ZnSO4 = ZnNO3 + HSO4
Fe2(SO4)3 + K2Cr2O7 = Fe2(Cr2O7)3 + K2SO4 =>
Fe2(SO4)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 3 K2SO4
MgO2 + HCl = Mg2Cl + H2O + Cl =>
2 MgO2 + 8 HCl = Mg2Cl + 4 H2O + 7 Cl
CrSO4 + H2O = CrOHSO4 + H2 =>
2 CrSO4 + 2 H2O = 2 CrOHSO4 + H2
[Cr(NH3)6]2(SO4)3 + NaOH = Na2SO4 + Cr(OH)3 + NH3 =>
[Cr(NH3)6]2(SO4)3 + 6 NaOH = 3 Na2SO4 + 2 Cr(OH)3 + 12 NH3
Cr(s) + Fe(NO3)3(aq) = Fe(s) + Cr(NO3)3(aq) =>
Cr(s) + Fe(NO3)3(aq) = Fe(s) + Cr(NO3)3(aq)
N203 + H2O = NO3H + H2 =>
2 N203 + 1218 H2O = 406 NO3H + 1015 H2
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
UO3 + NH4HF2 = UO2F2 + NH4OH =>
UO3 + NH4HF2 = UO2F2 + NH4OH
FeCl3 + KOH = Fe(OH)3 + K3Cl3 =>
FeCl3 + 3 KOH = Fe(OH)3 + K3Cl3
K2S + HCIO3 = KCIO3 + H2S =>
K2S + 2 HCIO3 = 2 KCIO3 + H2S
K2FeO4 + NH4OH = Fe(OH)3 + N2 + KOH =>
2 K2FeO4 + 2 NH4OH = 2 Fe(OH)3 + N2 + 4 KOH
C6H5CH2OH + HNO3 = C6H5O + NO2 + H2O =>
6 C6H5CH2OH + 15 HNO3 = 7 C6H5O + 15 NO2 + 14 H2O
Mn3(PO4)2 + NaCl = Na3PO4 + MnCl2 =>
Mn3(PO4)2 + 6 NaCl = 2 Na3PO4 + 3 MnCl2
H2S + K2S = KHS =>
H2S + K2S = 2 KHS
Mg3N2(s) + H2O = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O = 3 Mg(OH)2(s) + 2 NH3(g)
CuSO4 + KOH = CuO + HKSO4 =>
CuSO4 + KOH = CuO + HKSO4
KHSO4 + BaCl2 = Ba(HSO4)2 + KCl =>
2 KHSO4 + BaCl2 = Ba(HSO4)2 + 2 KCl
Br3 + Fe = Br300Fe70000 =>
100 Br3 + 70000 Fe = Br300Fe70000
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