| Équations équilibrées la veille |
Na + HNO3 = NaNO3 + H
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Cs3PO4 + SrSO4 = Cs2SO4 + Sr3(PO4)2 =>
2 Cs3PO4 + 3 SrSO4 = 3 Cs2SO4 + Sr3(PO4)2
Cl2(g) + KI(aq) = KCl(aq) + I2(g) =>
Cl2(g) + 2 KI(aq) = 2 KCl(aq) + I2(g)
NaC3Cl2N3O3 + NaClO3 + Ti = TiO2 + N2 + Na2CO3 + Cl2 =>
2 NaC3Cl2N3O3 + 10 NaClO3 + 9 Ti = 9 TiO2 + 3 N2 + 6 Na2CO3 + 7 Cl2
K2CrO4 + Zn = ZnCrO4 + K2 =>
K2CrO4 + Zn = ZnCrO4 + K2
Na(s) + ZnSO4(ac) = Na2SO4(ac) + Zn(s) =>
2 Na(s) + ZnSO4(ac) = Na2SO4(ac) + Zn(s)
B2O3(s) + C(s) = B4C3(s) + CO2(g) =>
2 B2O3(s) + 6 C(s) = B4C3(s) + 3 CO2(g)
H2S(s) + HNO3(s) = NO(s) + S + H2O(s) =>
3 H2S(s) + 2 HNO3(s) = 2 NO(s) + 3 S + 4 H2O(s)
B2O3(s) + HF(l) = BF3(g) + H2O(l) =>
B2O3(s) + 6 HF(l) = 2 BF3(g) + 3 H2O(l)
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
CD + S = CDS =>
CD + S = CDS
Sc2O3 + SO3 = Sc2(SO4)3 =>
Sc2O3 + 3 SO3 = Sc2(SO4)3
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
H2O2 + C2Cl4 = H2O + CO2 + Cl2 =>
4 H2O2 + C2Cl4 = 4 H2O + 2 CO2 + 2 Cl2
Ca3(PO4)2 + K = K3(PO4) + Ca =>
Ca3(PO4)2 + 6 K = 2 K3(PO4) + 3 Ca
Cu(NO3)2 + (NH4)3(PO4) = Cu3(PO4)2 + (NH4)(NO3) =>
3 Cu(NO3)2 + 2(NH4)3(PO4) = Cu3(PO4)2 + 6(NH4)(NO3)
CuCl2 + H2S = CuS + HCl =>
CuCl2 + H2S = CuS + 2 HCl
B2O3(s) + NaOH(aq) = Na3BO3(aq) + H2O(l) =>
B2O3(s) + 6 NaOH(aq) = 2 Na3BO3(aq) + 3 H2O(l)
Al + CrBr3 = Cr + AlBr =>
3 Al + CrBr3 = Cr + 3 AlBr
LiOH + AgCl = LiCl + AgOH =>
LiOH + AgCl = LiCl + AgOH
NaY + AgNO3 = NaNO3 + AgY =>
NaY + AgNO3 = NaNO3 + AgY
Li + N2 = Li2N2 =>
2 Li + N2 = Li2N2
B2O3(s) + NaOH(aq) = Na3BO3(aq) + H2O(l) =>
B2O3(s) + 6 NaOH(aq) = 2 Na3BO3(aq) + 3 H2O(l)
Cyclobutane + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NaOH(s) + H2O(l) = Na(OH)2 + H2 =>
2 NaOH(s) + 2 H2O(l) = 2 Na(OH)2 + H2
Mn{+2} + NO3{-} + H2O = NH4{+} + MnO2 + H{+} =>
4 Mn{+2} + NO3{-} + 5 H2O = NH4{+} + 4 MnO2 + 6 H{+}
Pb(CH3COO)2 + LiOH = Li(CH3COO) + Pb(OH)2 =>
Pb(CH3COO)2 + 2 LiOH = 2 Li(CH3COO) + Pb(OH)2
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
CaCO3 + CH3COOH + Cu(CH3COO)2*H2O = CaCu(CH3COO)2 + H2O + CO2 =>
4 CaCO3 + CH3COOH + 4 Cu(CH3COO)2*H2O = 4 CaCu(CH3COO)2 + 6 H2O + 6 CO2
ZnSO4 = Zn{+2} + SO4{-2} =>
ZnSO4 = Zn{+2} + SO4{-2}
(NH4)3PO4 + CaCr2O7 = (NH4)2Cr2O7 + Ca3(PO4)2 =>
2(NH4)3PO4 + 3 CaCr2O7 = 3(NH4)2Cr2O7 + Ca3(PO4)2
K2Cr2O7(aq) + H2SO4(aq) = KHSO4(aq) + Cr2(SO4)3(aq) + H2O(l) + O2(g) =>
2 K2Cr2O7(aq) + 10 H2SO4(aq) = 4 KHSO4(aq) + 2 Cr2(SO4)3(aq) + 8 H2O(l) + 3 O2(g)
B2O3(s) + HF(l) = BF3(g) + H2O(l) =>
B2O3(s) + 6 HF(l) = 2 BF3(g) + 3 H2O(l)
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CO + H2 = C8H18 + H2O =>
8 CO + 17 H2 = C8H18 + 8 H2O
H2SO4 + Pb(OH)4 = Pb(SO4)2 + H2O =>
2 H2SO4 + Pb(OH)4 = Pb(SO4)2 + 4 H2O
Fe(s) + CuNO3(aq) = Cu(s) + Fe(NO3)2(aq) =>
Fe(s) + 2 CuNO3(aq) = 2 Cu(s) + Fe(NO3)2(aq)
Zn + K2Cr2O7 + H2SO4 = ZnSO4 + K2SO4 + Cr2(SO4)3 + H2O =>
3 Zn + K2Cr2O7 + 7 H2SO4 = 3 ZnSO4 + K2SO4 + Cr2(SO4)3 + 7 H2O
CH3OH + Cr2O7 + H{+} = CH2O + Cr{+} + H2O =>
6 CH3OH + Cr2O7 + 2 H{+} = 6 CH2O + 2 Cr{+} + 7 H2O
H2SO4 + NaNO2 = HNO2 + Na2SO4 =>
H2SO4 + 2 NaNO2 = 2 HNO2 + Na2SO4
Sn{2+} + BrO3{-} + Cl{-} = [SnCl6]{2-} + Br{-} + O{2-} =>
3 Sn{2+} + BrO3{-} + 18 Cl{-} = 3[SnCl6]{2-} + Br{-} + 3 O{2-}
Mn + NaBiO3 + HNO3 = MnO4 + Bi(NO3) + NaNO3 + H2O =>
Mn + 2 NaBiO3 + 4 HNO3 = MnO4 + 2 Bi(NO3) + 2 NaNO3 + 2 H2O
Ba(CO3)2 + H2SO4 = BaSO4 + H2(CO3)2 =>
Ba(CO3)2 + H2SO4 = BaSO4 + H2(CO3)2
C9H20 + H2O2 = CO2 + H2O =>
C9H20 + 28 H2O2 = 9 CO2 + 38 H2O
Fe(OH)2 + KOH = FeOH + KO + H2O =>
Fe(OH)2 + KOH = FeOH + KO + H2O
ClO3 + H2SO3 = Cl + H2SO4 =>
ClO3 + 3 H2SO3 = Cl + 3 H2SO4
Ti2(CO3)3 + AgC2H3O2 = Ti(C2H3O2)3 + Ag2CO3 =>
Ti2(CO3)3 + 6 AgC2H3O2 = 2 Ti(C2H3O2)3 + 3 Ag2CO3
Cr2(SO4)3 + Na2SO3 = Cr + Na2SO4 + SO2 =>
Cr2(SO4)3 + 6 Na2SO3 = 2 Cr + 6 Na2SO4 + 3 SO2
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