Équations équilibrées la veille |
2 Al(NO3)3(g) + 3 Be(s) = 2 Al(s) + 3 Be(NO3)2(aq)
Ca(NO3)2 + HCl = CaCl2 + NHO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 NHO3
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3 =>
(NH4)2CO3 + CaCl2 = (NH4)2Cl2 + CaCO3
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Y2S3 + O2 = Y2O3 + S8 =>
8 Y2S3 + 12 O2 = 8 Y2O3 + 3 S8
CrOH2 + H2O2 = CrO4 + H2O =>
CrOH2 + 4 H2O2 = CrO4 + 5 H2O
FeCl2(aq) + KMnO4(aq) + HCl(aq) = FeCl3(aq) + MnCl(aq) + H2O(l) + KCl(aq) =>
6 FeCl2(aq) + KMnO4(aq) + 8 HCl(aq) = 6 FeCl3(aq) + MnCl(aq) + 4 H2O(l) + KCl(aq)
C7H4Na2O3 + H2SO4 = C7H6O3 + NaHSO4 =>
C7H4Na2O3 + 2 H2SO4 = C7H6O3 + 2 NaHSO4
H2Se + SeO2 = H2O + Se2 =>
4 H2Se + 2 SeO2 = 4 H2O + 3 Se2
B + O2 = B2O3 =>
4 B + 3 O2 = 2 B2O3
C10H17N3O6S + O2 = CO2 + H2O + N2 + SO2 =>
4 C10H17N3O6S + 49 O2 = 40 CO2 + 34 H2O + 6 N2 + 4 SO2
K2CO3 + HBr = KBr + CO2 + H2O =>
K2CO3 + 2 HBr = 2 KBr + CO2 + H2O
HClAgNO3 = HNO3AgCl =>
HClAgNO3 = HNO3AgCl
Fe2O3 + CuSO4 = Fe2(SO4)3 + CuO =>
Fe2O3 + 3 CuSO4 = Fe2(SO4)3 + 3 CuO
CH4 + NH3 = C2N2 + H2 =>
2 CH4 + 2 NH3 = C2N2 + 7 H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
B + O2 = BO =>
2 B + O2 = 2 BO
K2SO3 + NaBr = KBr + Na2SO3 =>
K2SO3 + 2 NaBr = 2 KBr + Na2SO3
K2CrO4 + H2SO4 + Na2SO3 = Cr2(SO4)3 + K2SO4 + Na2SO4 + H2O =>
2 K2CrO4 + 5 H2SO4 + 3 Na2SO3 = Cr2(SO4)3 + 2 K2SO4 + 3 Na2SO4 + 5 H2O
Au + H2SO4 = AuSO4 + H2 =>
Au + H2SO4 = AuSO4 + H2
K2Cr2O7 + NaOH = Na2Cr2O7 + KOH =>
K2Cr2O7 + 2 NaOH = Na2Cr2O7 + 2 KOH
Al(NO3)3(g) + Be(s) = Al(s) + Be(NO3)2(aq) =>
2 Al(NO3)3(g) + 3 Be(s) = 2 Al(s) + 3 Be(NO3)2(aq)
Na + K2 = NaK =>
2 Na + K2 = 2 NaK
CuS + HNO2 = Cu(NO3)2 + S + H2O + NO =>
CuS + 8 HNO2 = Cu(NO3)2 + S + 4 H2O + 6 NO
N2H6SO4 + NaOH = N2H4 + Na2SO4 + H2O =>
N2H6SO4 + 2 NaOH = N2H4 + Na2SO4 + 2 H2O
Ca(s) + HCl(ac) = CaCl2(ac) + H2(g) =>
Ca(s) + 2 HCl(ac) = CaCl2(ac) + H2(g)
Li + SnS = Li2S + Sn =>
2 Li + SnS = Li2S + Sn
C4H6O4 + NaOH = NaC4H4O4 + H2O + H2 =>
2 C4H6O4 + 2 NaOH = 2 NaC4H4O4 + 2 H2O + H2
B + O2 = BO2 =>
B + O2 = BO2
NaCl + Fe(OH)2 = NaOH + FeCl2 =>
2 NaCl + Fe(OH)2 = 2 NaOH + FeCl2
K + HNO3 = KNO3 + NO2 + H2O =>
K + 2 HNO3 = KNO3 + NO2 + H2O
K2O + HCl = KCl + H2O =>
K2O + 2 HCl = 2 KCl + H2O
Al2O3 + HI = AlI3 + H2O =>
Al2O3 + 6 HI = 2 AlI3 + 3 H2O
Fe + HNO3 = Fe1(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe1(NO3)3 + 3 H2
HCN + H2S2O3 = HCNS + H2SO3 =>
HCN + H2S2O3 = HCNS + H2SO3
Hg(No3)2 + Na2S = HgS + NaNo3 =>
Hg(No3)2 + Na2S = HgS + 2 NaNo3
NaOH(aq) + ZnSO4(aq) = Na2SO4(aq) + Zn(OH)2(aq) =>
2 NaOH(aq) + ZnSO4(aq) = Na2SO4(aq) + Zn(OH)2(aq)
NH4OH + AgNO3 = NH4NO3 + Ag2O + H2O =>
2 NH4OH + 2 AgNO3 = 2 NH4NO3 + Ag2O + H2O
Fe + H2SO4 = FeSO4 + H2 =>
Fe + H2SO4 = FeSO4 + H2
Al(NO3)3(g) + Be(s) = Al(s) + Be(NO3)2(aq) =>
2 Al(NO3)3(g) + 3 Be(s) = 2 Al(s) + 3 Be(NO3)2(aq)
KH2PO4 + HNO3 = H3PO4 + KNO3 =>
KH2PO4 + HNO3 = H3PO4 + KNO3
Hf + Nb + Mo + Re + Ru = Hf5Nb5Mo30Re30Ru30 =>
5 Hf + 5 Nb + 30 Mo + 30 Re + 30 Ru = Hf5Nb5Mo30Re30Ru30
FeSO4 + KCIO3 + KOH = K2FeO4 + KCI + K2SO4 + H2O =>
3 FeSO4 + 2 KCIO3 + 12 KOH = 3 K2FeO4 + 2 KCI + 3 K2SO4 + 6 H2O
Zn(OH)2 + KOH = K2Zn(OH)4 =>
Zn(OH)2 + 2 KOH = K2Zn(OH)4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
CH3COOH = CH3COO + H =>
CH3COOH = CH3COO + H
N2H4(l) = NH3(g) + N2(g) =>
3 N2H4(l) = 4 NH3(g) + N2(g)
(C2H5)3N + HClO4 = CO2 + Cl2 + H2O + N2 =>
14(C2H5)3N + 78 HClO4 = 84 CO2 + 39 Cl2 + 144 H2O + 7 N2
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