| Équations équilibrées la veille |
CaO + (NH4)2C2O4 = CaC2O4 + 2 NH3 + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
C2H2 + MnO4{-} + H2O = (COOH)2 + OH{-} + MnO2 =>
3 C2H2 + 8 MnO4{-} + 4 H2O = 3(COOH)2 + 8 OH{-} + 8 MnO2
H3PO4 + H2SO4 + KMnO4 = H3PO3 + MnO4 + K2SO4 + H2O =>
H3PO4 + H2SO4 + 2 KMnO4 = H3PO3 + 2 MnO4 + K2SO4 + H2O
Na2S2O3 + Br2 + H2O = SO4{2-} + NaBr + H{+} + S =>
Na2S2O3 + Br2 + H2O = SO4{2-} + 2 NaBr + 2 H{+} + S
ZnSO4 + Ca(NO3)2 = Zn(NO3)2 + CaSO4 =>
ZnSO4 + Ca(NO3)2 = Zn(NO3)2 + CaSO4
MnCl2(aq) + Na2CO3(aq) = NaCl + Mn2(CO3)2 =>
2 MnCl2(aq) + 2 Na2CO3(aq) = 4 NaCl + Mn2(CO3)2
Na3PO + AgNO = Na3NO + AgPO =>
Na3PO + AgNO = Na3NO + AgPO
KCr2O7 + KBr + H2O = Cr(OH)3 + KBrO + KOH =>
2 KCr2O7 + 7 KBr + 7 H2O = 4 Cr(OH)3 + 7 KBrO + 2 KOH
N2 + I2 = NI3 =>
N2 + 3 I2 = 2 NI3
(NH4)3PO4 + CaBr2 = Ca3(PO4)2 + NH4Br1 =>
2(NH4)3PO4 + 3 CaBr2 = Ca3(PO4)2 + 6 NH4Br1
CuSO4 + Na2Co3 = CuCo3 + Na2SO4 =>
CuSO4 + Na2Co3 = CuCo3 + Na2SO4
HNO3 + (NH2)HSO3 = H2SO4 + N2O + H2O =>
HNO3 + (NH2)HSO3 = H2SO4 + N2O + H2O
Fe(NO3)2 + KHSO4 = Fe(NO3)3 + Fe2(SO4)3 + NO + H2O + K2SO4 =>
9 Fe(NO3)2 + 12 KHSO4 = 5 Fe(NO3)3 + 2 Fe2(SO4)3 + 3 NO + 6 H2O + 6 K2SO4
Ag(aq) + OH(aq) = AgOH(s) =>
Ag(aq) + OH(aq) = AgOH(s)
Na2SO3 + KMnO4 + HCl = Na2SO4 + MnCl2 + KCl2 + H2O =>
2 Na2SO3 + KMnO4 + 4 HCl = 2 Na2SO4 + MnCl2 + KCl2 + 2 H2O
Co(OH)2(aq) + HI = CoI2 + H2O =>
Co(OH)2(aq) + 2 HI = CoI2 + 2 H2O
Fe2O3 + KCl = FeCl3 + K2O =>
Fe2O3 + 6 KCl = 2 FeCl3 + 3 K2O
HAlO2 + HNO3 = Al(NO3)3 + H2O =>
HAlO2 + 3 HNO3 = Al(NO3)3 + 2 H2O
NH2CH(CH2SH)COOH + O2 = CO2 + H2O + N2 + SO2 =>
4 NH2CH(CH2SH)COOH + 19 O2 = 12 CO2 + 14 H2O + 2 N2 + 4 SO2
K2CO3(s) + HCl(aq) = KCl(s) + H2O(l) + CO2(g) =>
K2CO3(s) + 2 HCl(aq) = 2 KCl(s) + H2O(l) + CO2(g)
C3H6O + NaCN + HCl = C4H7NO + NaCl =>
C3H6O + NaCN + HCl = C4H7NO + NaCl
Cu2{+} + Fe = Fe3{+} + Cu =>
Cu2{+} + 3 Fe = Fe3{+} + 2 Cu
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
K3PO4 + HCl = KCl + H3PO4 =>
K3PO4 + 3 HCl = 3 KCl + H3PO4
Zn(HCO3)2(aq) + HNO3(aq) = Zn(NO3)2(aq) + CO2(g) + H2O(l) =>
Zn(HCO3)2(aq) + 2 HNO3(aq) = Zn(NO3)2(aq) + 2 CO2(g) + 2 H2O(l)
propene + water = propane + oxygen =>
2 CH3CHCH2 + 2 H2O = 2 C3H8 + O2
K4[Cr(NCS)6] + Ce(SO4)2 + H2O = Cr(NO3)3 + Ce(NO3)3 + Ce2(SO4)3 + CO2 + K2SO4 + H2SO4 =>
K4[Cr(NCS)6] + 97 Ce(SO4)2 + 54 H2O = Cr(NO3)3 + Ce(NO3)3 + 48 Ce2(SO4)3 + 6 CO2 + 2 K2SO4 + 54 H2SO4
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Cr + N = CrN =>
Cr + N = CrN
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
HH + ClCl = HCl =>
HH + ClCl = 2 HCl
C(s) + H2 = CH4 =>
C(s) + 2 H2 = CH4
SO3 + NOH = N2SO4 + H2O =>
SO3 + 2 NOH = N2SO4 + H2O
K(s) + B2O3 = K2O(s) + B(s) =>
6 K(s) + B2O3 = 3 K2O(s) + 2 B(s)
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
BaCl2 + K4Fe(CN)6 = Ba4[Fe(CN)6]2 + KCl =>
4 BaCl2 + 2 K4Fe(CN)6 = Ba4[Fe(CN)6]2 + 8 KCl
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
SnCl2 + H2O + O2 = H2SnO3 + HCl =>
2 SnCl2 + 4 H2O + O2 = 2 H2SnO3 + 4 HCl
K2Cr2O7 + KI + H2SO4 = Cr2(SO4)3 + K2SO4 + I2 + H2O =>
K2Cr2O7 + 6 KI + 7 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O
C3H8O + O = CO2 + H2O =>
C3H8O + 9 O = 3 CO2 + 4 H2O
NaBr + HCl = NaCl + Br + H =>
NaBr + HCl = NaCl + Br + H
K3PO4 + Cu(C2H3O2)2 = KC2H3O2 + Cu3(PO4)2 =>
2 K3PO4 + 3 Cu(C2H3O2)2 = 6 KC2H3O2 + Cu3(PO4)2
B2O3 + C = B4C3 + CO2 =>
2 B2O3 + 6 C = B4C3 + 3 CO2
ZnBr2 + H2 = HBr + Zn =>
ZnBr2 + H2 = 2 HBr + Zn
NiS + HCl + HNO3 = NiCl2 + NO + S + H2O* =>
3 NiS + 6 HCl + 2 HNO3 = 3 NiCl2 + 2 NO + 3 S + 4 H2O*
KBr + Cl2 = KBrCl =>
2 KBr + Cl2 = 2 KBrCl
NH4VO3 + SnCl2 + HCl = VOCl2 + H2SnCl6 + NH4Cl + H2O =>
2 NH4VO3 + SnCl2 + 10 HCl = 2 VOCl2 + H2SnCl6 + 2 NH4Cl + 4 H2O
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Équations équilibrées sur10/20/24
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