| Équations équilibrées la veille | Équations équilibrées le lendemain |
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
CO2 + C = CO =>
CO2 + C = 2 CO
N2 + Cl2 = NCl =>
N2 + Cl2 = 2 NCl
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
CO2 + C = CO =>
CO2 + C = 2 CO
K4Fe(CN)6 + KMnO4 + H2SO4 = KHSO4 + Fe2(SO4)3 + MnSO4 + HNO3 + CO2 + H2O =>
10 K4Fe(CN)6 + 122 KMnO4 + 299 H2SO4 = 162 KHSO4 + 5 Fe2(SO4)3 + 122 MnSO4 + 60 HNO3 + 60 CO2 + 188 H2O
Zn(OH)2 + CO2 = ZnCO3 + H2O =>
Zn(OH)2 + CO2 = ZnCO3 + H2O
Cl2 + CaBr2 = CaCl2 + Br2 =>
Cl2 + CaBr2 = CaCl2 + Br2
*Fe + O2 = Fe2O3 =>
4*Fe + 3 O2 = 2 Fe2O3
P4 + O2 = P4O10 =>
P4 + 5 O2 = P4O10
Zn(NO3)2*6H2O + Al(NO3)3*9H2O + NH2CONH2 = ZnAl2O4 + H2O + CO2 + N2 =>
3 Zn(NO3)2*6H2O + 6 Al(NO3)3*9H2O + 20 NH2CONH2 = 3 ZnAl2O4 + 112 H2O + 20 CO2 + 32 N2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CHCl3 + NaOCl = CCl4 + NaOH =>
CHCl3 + NaOCl = CCl4 + NaOH
BCl3(g) + H2O(l) = H3BO3(s) + HCl(g) =>
BCl3(g) + 3 H2O(l) = H3BO3(s) + 3 HCl(g)
Fe(NO3)3 + K2Cr2O7 = Fe2(Cr2O7)3 + KNO3 =>
2 Fe(NO3)3 + 3 K2Cr2O7 = Fe2(Cr2O7)3 + 6 KNO3
H2S + H2O = H2 + SO2 =>
H2S + 2 H2O = 3 H2 + SO2
P + NaOH = POH + Na =>
P + NaOH = POH + Na
NaIAgNO3 = AgINO3Na =>
NaIAgNO3 = AgINO3Na
Carbon + oxygen = carbondioxide =>
C + O2 = CO2
KCl + Br2 = KBr + Cl2 =>
2 KCl + Br2 = 2 KBr + Cl2
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
NaHCO3 + CH3COOH = CH3COONa + CO2 + H2O =>
NaHCO3 + CH3COOH = CH3COONa + CO2 + H2O
NaHCO3(s) + Ca(OH)2(aq) = CaCO3(s) + NaOH(s) + H2O(l) =>
NaHCO3(s) + Ca(OH)2(aq) = CaCO3(s) + NaOH(s) + H2O(l)
Cu + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O =>
3 Cu + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O
Mn + H2O = MnO + H =>
Mn + H2O = MnO + 2 H
Br2 + LiOH = LiBr + OH =>
Br2 + 2 LiOH = 2 LiBr + 2 OH
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
U + F2 = UF6 =>
U + 3 F2 = UF6
C6H10O5 + H2O2 = CO2 + H2O =>
C6H10O5 + 12 H2O2 = 6 CO2 + 17 H2O
HCl + HOH = ClOH + H =>
HCl + HOH = ClOH + 2 H
Br{-} + Cr2O7{2-} + H = Br2 + Cr{2-} + H2O =>
2 Br{-} + Cr2O7{2-} + 14 H = Br2 + 2 Cr{2-} + 7 H2O
B + Cl = BCl =>
B + Cl = BCl
(CH43(CH2)4CH3) + O2 = CO2 + H2O =>
2(CH43(CH2)4CH3) + 39 O2 = 12 CO2 + 54 H2O
K2Cr2O7 + Sn = K + Sn2Cr2O7 =>
K2Cr2O7 + 2 Sn = 2 K + Sn2Cr2O7
K + SiCl4 = KCl + Si =>
4 K + SiCl4 = 4 KCl + Si
H4N2 + HNO3 = N2 + H2O =>
5 H4N2 + 4 HNO3 = 7 N2 + 12 H2O
ZnO + Co(NO3)2 = ZnCo2O4 + NO2 + O2 =>
2 ZnO + 4 Co(NO3)2 = 2 ZnCo2O4 + 8 NO2 + O2
Ba(CN)2 + (NH4)3PO4 = Ba3(PO4)2 + NH4CN =>
3 Ba(CN)2 + 2(NH4)3PO4 = Ba3(PO4)2 + 6 NH4CN
CuSO4 + C = CuSO3 + CO2 =>
2 CuSO4 + C = 2 CuSO3 + CO2
Cr2O7{2-} + H2O2 + H3O{+} = CrO5 + H2O =>
Cr2O7{2-} + 4 H2O2 + 2 H3O{+} = 2 CrO5 + 7 H2O
NaHCO3 + HC2H3O = NaC2H2O2 + H2O + CO2 =>
10 NaHCO3 + 7 HC2H3O = 10 NaC2H2O2 + 9 H2O + 4 CO2
Pb(NO3)2 + NH4Cl = PbCl2 + NH4NO3 =>
Pb(NO3)2 + 2 NH4Cl = PbCl2 + 2 NH4NO3
Pb(s) + AgNO3(aq) = PbNO3(al) + Ag(s) =>
Pb(s) + AgNO3(aq) = PbNO3(al) + Ag(s)
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
Ca2C + H2O = C2H2 + Ca + O2 =>
4 Ca2C + 2 H2O = 2 C2H2 + 8 Ca + O2
FeS + H2SO4 = Fe2(SO4)3 + H2O + SO2 =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 10 H2O + 9 SO2
(NH4)3PO4 + Tb(NO3)4 = Tb3(PO4)4 + NH4NO3 =>
4(NH4)3PO4 + 3 Tb(NO3)4 = Tb3(PO4)4 + 12 NH4NO3
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
H3PO4 + CaO = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 CaO = Ca3(PO4)2 + 3 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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