| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2SO3 + H2O = H2SO3 + K2O
H + Au + KCN + O2 = K[Au(CN)2] + KOH =>
2 H + 2 Au + 4 KCN + O2 = 2 K[Au(CN)2] + 2 KOH
Mg3N2 + K3P = Mg3P2 + K3N =>
Mg3N2 + 2 K3P = Mg3P2 + 2 K3N
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
K2SO4 + Fe = Fe(SO4)2 + K =>
2 K2SO4 + Fe = Fe(SO4)2 + 4 K
Na2[Fe(CN)6NO] = Na2Fe2[Fe(CN)6] + Na4[Fe(CN)6] + NO(g) + (CN)2(g) =>
5 Na2[Fe(CN)6NO] = Na2Fe2[Fe(CN)6] + 2 Na4[Fe(CN)6] + 5 NO(g) + 6(CN)2(g)
K2SO3 + K2Cr2O7 + H2SO4 = K2SO4 + Cr(SO4)2 + H2O =>
2 K2SO3 + K2Cr2O7 + 5 H2SO4 = 3 K2SO4 + 2 Cr(SO4)2 + 5 H2O
NH3 + HCl = H + NH3Cl =>
NH3 + HCl = H + NH3Cl
HCOH + CH3COCH3 + C6H5CH2CH2NH2 = C6H5CH2CH2N(CH2CH2)2CO + H2O =>
2 HCOH + CH3COCH3 + C6H5CH2CH2NH2 = C6H5CH2CH2N(CH2CH2)2CO + 2 H2O
Zn(H2O)4 + CN = Zn(HCN)4 + OH =>
Zn(H2O)4 + 4 CN = Zn(HCN)4 + 4 OH
HBr + KBrO3 = Br + H2O + KBr =>
6 HBr + KBrO3 = 6 Br + 3 H2O + KBr
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
PbS + SO2 = PbSO3 + S =>
2 PbS + 3 SO2 = 2 PbSO3 + 3 S
NH4OH + Li + C10H15NO = LiNH2 + H2O + C10H15N =>
2 NH4OH + 2 Li + C10H15NO = 2 LiNH2 + 3 H2O + C10H15N
*KOH + H2SO4 = K2SO4 + H2O =>
2*KOH + H2SO4 = K2SO4 + 2 H2O
C3(H4)2 = C + H =>
C3(H4)2 = 3 C + 8 H
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
NaHCO3 + O3 = NaO3 + H2O + CO2 =>
6 NaHCO3 + 5 O3 = 6 NaO3 + 3 H2O + 6 CO2
Zn29 + H(NO3) = Zn(NO3)2 + NO + H2O =>
3 Zn29 + 232 H(NO3) = 87 Zn(NO3)2 + 58 NO + 116 H2O
MnO4{2-} + H{+} = MnO2 + H2O + O2 =>
2 MnO4{2-} + 4 H{+} = 2 MnO2 + 2 H2O + O2
Rb(aq) + HBr(aq) = RbBr(aq) + H(g) =>
Rb(aq) + HBr(aq) = RbBr(aq) + H(g)
(OH)3 = O3 + H2O =>
2(OH)3 = O3 + 3 H2O
Ba(OH)2 + CO = BaCO2 + H2O =>
Ba(OH)2 + CO = BaCO2 + H2O
MnSO4 + KBiO3 + H2SO4 = KMnO4 + Bi2(SO4)3 + K2SO4 + H2O =>
4 MnSO4 + 10 KBiO3 + 14 H2SO4 = 4 KMnO4 + 5 Bi2(SO4)3 + 3 K2SO4 + 14 H2O
[Cu(NH3)4(H2O)2] + H2OSO4 = CuSO4 + NH3 + H2O =>
[Cu(NH3)4(H2O)2] + H2OSO4 = CuSO4 + 4 NH3 + 3 H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
KNO3 + NaOH + Al + H2O = NH3 + NaAlO2 + KAlO2 =>
3 KNO3 + 5 NaOH + 8 Al + 2 H2O = 3 NH3 + 5 NaAlO2 + 3 KAlO2
Na2SeO3 + HCl = Se + Cl2 + H2O + NaCl =>
Na2SeO3 + 6 HCl = Se + 2 Cl2 + 3 H2O + 2 NaCl
C3H14 + O2 = CO2 + water =>
2 C3H14 + 13 O2 = 6 CO2 + 14 H2O
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
Fe2O3 + SO3 = FeS2 + O =>
Fe2O3 + 4 SO3 = 2 FeS2 + 15 O
KHSO4 = K2SO4 + H2O + SO3 =>
2 KHSO4 = K2SO4 + H2O + SO3
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
CO2 + H2O + CaCl2 = HCl + CaCO3 =>
CO2 + H2O + CaCl2 = 2 HCl + CaCO3
Na2SO4 + CH3OOH = CH3OONa + H2SO4 =>
Na2SO4 + 2 CH3OOH = 2 CH3OONa + H2SO4
NaOH + H + SO4 = NaSO4 + H2O =>
NaOH + H + SO4 = NaSO4 + H2O
(NH4)2CrO4 = Cr2O3 + NH3 + H2O + O2 =>
4(NH4)2CrO4 = 2 Cr2O3 + 8 NH3 + 4 H2O + 3 O2
NH5 = N7 + H2 =>
14 NH5 = 2 N7 + 35 H2
FeS2 + H2O + O2 = FeS + H2SO4{-2} + H{+} =>
FeS2 + 2 H2O + O2 = FeS + H2SO4{-2} + 2 H{+}
NH4 + CrO7 = N2 + H2O + Cr3O2 =>
38 NH4 + 12 CrO7 = 19 N2 + 76 H2O + 4 Cr3O2
Br2 + RbI = IBr + Rb2 =>
Br2 + 2 RbI = 2 IBr + Rb2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
FeO + CaO + P2 = Ca3(PO4)2 + Fe =>
5 FeO + 3 CaO + P2 = Ca3(PO4)2 + 5 Fe
KCNS + NaCl = KCl + NaCNS =>
KCNS + NaCl = KCl + NaCNS
PbI2 + Br2 = PbBr2 + I2 =>
PbI2 + Br2 = PbBr2 + I2
C2H3Cl3O2 = H2O + Cl3CCHO =>
C2H3Cl3O2 = H2O + Cl3CCHO
Cr2W2C3 = WC + Cr3C2 + Cr =>
2 Cr2W2C3 = 4 WC + Cr3C2 + Cr
CaO + SO2 = Ca + SO3 =>
CaO + SO2 = Ca + SO3
Al2Si4O11 + NaOH + NaAlO2 = Al12Si12Na12O48 + H2O =>
3 Al2Si4O11 + 6 NaOH + 6 NaAlO2 = Al12Si12Na12O48 + 3 H2O
[Co(NH3)5Br]Br2 + Na2S2O3 = CoBr + Na2S4O6 + NH3 + NaBr =>
[Co(NH3)5Br]Br2 + 2 Na2S2O3 = CoBr + Na2S4O6 + 5 NH3 + 2 NaBr
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