| Équations équilibrées la veille |
2 NaAlSi3O8 + H2O + 2 H2CO3 = Al2Si2O5(OH)4 + 2 Na + 4 SiO2 + 2 HCO3
KMnO4 + KNO2 + H2SO4 = MnS04 + H2O + KNO3 + K2S04 =>
2 KMnO4 + 44 KNO2 + 12 H2SO4 = 2 MnS04 + 12 H2O + 44 KNO3 + K2S04
CH3COOH + Na2CO3 = NaHC + H2O + CO2 =>
3 CH3COOH + 2 Na2CO3 = 4 NaHC + 4 H2O + 4 CO2
Gd(s) + H2O(l) = Gd(OH)3(s) + H2(g) =>
2 Gd(s) + 6 H2O(l) = 2 Gd(OH)3(s) + 3 H2(g)
Al + H2SO4 + K2Cr2O7 = Al2(SO4)3 + Cr2(SO4)3 + K2(SO4) + H2O =>
2 Al + 7 H2SO4 + K2Cr2O7 = Al2(SO4)3 + Cr2(SO4)3 + K2(SO4) + 7 H2O
CH2COO + H = CH3COO =>
CH2COO + H = CH3COO
Mg2CO3 + HNO3 = MgNO3 + CO2 + H2O =>
Mg2CO3 + 2 HNO3 = 2 MgNO3 + CO2 + H2O
WO3 + H2 = WO2 + H2O =>
WO3 + H2 = WO2 + H2O
BaCl2 + MgCO3 = MgCl2 + BaCO3 =>
BaCl2 + MgCO3 = MgCl2 + BaCO3
BaCl2I2 = BaI2Cl2 =>
BaCl2I2 = BaI2Cl2
MgO + ZnO + Fe2O3 = MgZnFe2O4 + O2 =>
2 MgO + 2 ZnO + 2 Fe2O3 = 2 MgZnFe2O4 + O2
BaCl2 + MgCO3 = MgCl2 + BaCO3 =>
BaCl2 + MgCO3 = MgCl2 + BaCO3
U + HBr = UBr + H =>
U + HBr = UBr + H
Fe + [OH3]3 = Fe3(OH3)2 =>
9 Fe + 2[OH3]3 = 3 Fe3(OH3)2
Ba + (I) = Ba(I)2 =>
Ba + 2(I) = Ba(I)2
HNO3 + H2SO4 = NO2{+} + HSO4{-} + H2O =>
HNO3 + H2SO4 = NO2{+} + HSO4{-} + H2O
NaCl + MnO2 + H2SO4 = Na2HSO46 + MnSO4 + H2O + Cl2 =>
4 NaCl + 85 MnO2 + 87 H2SO4 = 2 Na2HSO46 + 85 MnSO4 + 86 H2O + 2 Cl2
Cl2 + KOH = KCl + KClO3 + KH2O =>
3 Cl2 + 12 KOH = 4 KCl + 2 KClO3 + 6 KH2O
NH3 + H2BO3 = B + N2H4 + H2O =>
4 NH3 + H2BO3 = B + 2 N2H4 + 3 H2O
COCl2 + NaOH = NaCl + CO(OH)2 =>
COCl2 + 2 NaOH = 2 NaCl + CO(OH)2
HI + KHSO3 = H2SO3 + KI =>
HI + KHSO3 = H2SO3 + KI
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
ZnO2 + C = Zn + CO =>
ZnO2 + 2 C = Zn + 2 CO
NaOH + ZnBr2 = Zn(OH)2 + NaBr =>
2 NaOH + ZnBr2 = Zn(OH)2 + 2 NaBr
NaBr + KNO3 = Na(NO3)2 + K2Br =>
NaBr + 2 KNO3 = Na(NO3)2 + K2Br
Cl2 + NaOH = NaClO3 + NaCl2 + H2O =>
11 Cl2 + 12 NaOH = 2 NaClO3 + 10 NaCl2 + 6 H2O
AgHNO3 + Cu = Cu(HNO3)2 + Ag =>
2 AgHNO3 + Cu = Cu(HNO3)2 + 2 Ag
Na2S2O3 = SO2 + Na + S =>
2 Na2S2O3 = 3 SO2 + 4 Na + S
AgNo3 + MgCl2 = AgCl + Mg[No3]2 =>
2 AgNo3 + MgCl2 = 2 AgCl + Mg[No3]2
AgHNO3 + Cu = Cu(HNO3)2 + Ag =>
2 AgHNO3 + Cu = Cu(HNO3)2 + 2 Ag
NaBr + CaCl2 = CaBr2 + NaCl =>
2 NaBr + CaCl2 = CaBr2 + 2 NaCl
H2O + CH2Cl2 = CH2O + HCl =>
H2O + CH2Cl2 = CH2O + 2 HCl
Zn2O = O2 + Zn =>
2 Zn2O = O2 + 4 Zn
C4H3OCHO + O2 = CO2 + H2O =>
C4H3OCHO + 5 O2 = 5 CO2 + 2 H2O
Ca(OH)2 + CO2 = Ca(OH)(HCO3)Ca(OH)(HCO3) = CaCO3 + H2O =>
2 Ca(OH)2 + 2 CO2 = Ca(OH)(HCO3)Ca(OH)(HCO3)
Ba(OH)2(aq) + H3PO4(aq) = Ba3(PO4)2(s) + H2O(l) =>
3 Ba(OH)2(aq) + 2 H3PO4(aq) = Ba3(PO4)2(s) + 6 H2O(l)
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
CH3COOH + Ca(OH)2 = Ca(CH3COO) + H2O + CO2 =>
9 CH3COOH + 8 Ca(OH)2 = 8 Ca(CH3COO) + 14 H2O + 2 CO2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C31H62 + O2 = CO2 + H2O =>
2 C31H62 + 93 O2 = 62 CO2 + 62 H2O
Pb(NO2)2 + NaI = PbI2 + Na(NO2) =>
Pb(NO2)2 + 2 NaI = PbI2 + 2 Na(NO2)
NiBr2 + Ag = AgBr + Ni =>
NiBr2 + 2 Ag = 2 AgBr + Ni
CO2 + HCl = CCl4 + H2O =>
CO2 + 4 HCl = CCl4 + 2 H2O
C12H22O11(aq)H2O(l) = CH3CH2OH(aq)CO2(g) =>
C12H22O11(aq)H2O(l) = 4 CH3CH2OH(aq)CO2(g)
AgHNO3 + Cu = Cu(HNO3)2 + Ag =>
2 AgHNO3 + Cu = Cu(HNO3)2 + 2 Ag
H3PO4 + PT + (OH)4 = PT3(PO4)4 + H2O =>
4 H3PO4 + 6 PT + 11(OH)4 = 2 PT3(PO4)4 + 28 H2O
NaHCO3(s) = Na2CO3(s)CO2(g)H2O(g) =>
2 NaHCO3(s) = Na2CO3(s)CO2(g)H2O(g)
Mg + C2O = C + MgO =>
Mg + C2O = 2 C + MgO
BaCl2 + MgCO3 = MgCl2 + BaCO3 =>
BaCl2 + MgCO3 = MgCl2 + BaCO3
H{+} + Cr2O7{-}2 + CH3CH2OH = Cr{+}3 + CH3CHO + H2O =>
6 H{+} + 2 Cr2O7{-}2 + 11 CH3CH2OH = 4 Cr{+}3 + 11 CH3CHO + 14 H2O
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