Équations équilibrées la veille |
AgCl = Ag + Cl
Br2 + H2O + CrBr3 = H2Cr2O7 + HBr =>
3 Br2 + 7 H2O + 2 CrBr3 = H2Cr2O7 + 12 HBr
H2SO4 + Na2SO3 = SO2 + NaSO4 + H2O =>
3 H2SO4 + Na2SO3 = 2 SO2 + 2 NaSO4 + 3 H2O
NH4OH + HI = NH4I + H2O =>
NH4OH + HI = NH4I + H2O
KH2PO2 + Br2 + KOH = K3PO4 + KBr + H2O =>
KH2PO2 + 2 Br2 + 6 KOH = K3PO4 + 4 KBr + 4 H2O
Fe(SCN)3 + NaF = Na3[FeF6] + NaSCN =>
Fe(SCN)3 + 6 NaF = Na3[FeF6] + 3 NaSCN
MgH + H{+} = Mg2{+} + H2 =>
4 MgH + 2 H{+} = 2 Mg2{+} + 3 H2
P2O3 + NaOH = Na2PHO3 + H2O =>
P2O3 + 4 NaOH = 2 Na2PHO3 + H2O
K + Cl = KCl =>
K + Cl = KCl
ZnCl2KOH = ZnOHCl2K =>
ZnCl2KOH = ZnOHCl2K
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
SiH2Cl2 + H2 = HCl + Si2H6 =>
2 SiH2Cl2 + 3 H2 = 4 HCl + Si2H6
Kr2O7 = Kr40 + O140 =>
20 Kr2O7 = Kr40 + O140
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
HNO3 + Cu = NO2 + CuO + H2O =>
2 HNO3 + Cu = 2 NO2 + CuO + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
Cl2 + KBr = KCl + Br2 =>
Cl2 + 2 KBr = 2 KCl + Br2
CaCO3 + H2CO3 = Ca(HCO3)2 =>
CaCO3 + H2CO3 = Ca(HCO3)2
K + Cl = KCl =>
K + Cl = KCl
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2 =>
Y(NO3)2 + GaPO4 = YPO4 + Ga(NO3)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
Na2C2O4 + NH4Cl = NaCl + (NH4)2C2O4 =>
Na2C2O4 + 2 NH4Cl = 2 NaCl + (NH4)2C2O4
H3AsO4 + Zn + H2SO4 = ZnSO4 + H2O + AsH3 =>
H3AsO4 + 4 Zn + 4 H2SO4 = 4 ZnSO4 + 4 H2O + AsH3
Al + NaHCO3 = HCOONa + Al2O3 =>
2 Al + 3 NaHCO3 = 3 HCOONa + Al2O3
MgSO4 + NaCl = MgCl2 + Na2SO4 =>
MgSO4 + 2 NaCl = MgCl2 + Na2SO4
H2O + N2O = NH4NO3 =>
2 H2O + N2O = NH4NO3
SO3{2-} + H2O = SO4{2-} + e + H3O{+} =>
SO3{2-} + 3 H2O = SO4{2-} + 2e + 2 H3O{+}
CH3I + NaOH = HOH + CH2 + NaI =>
CH3I + NaOH = HOH + CH2 + NaI
HO + KOH + Al = KAl(OH)4 =>
3 HO + KOH + Al = KAl(OH)4
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Co2(SO4)3 + Ca(NO3)2 = Co(NO3)3 + CaSO4 =>
Co2(SO4)3 + 3 Ca(NO3)2 = 2 Co(NO3)3 + 3 CaSO4
Ca + (NH4)2SO4 = (NH4)2CaSO4 =>
Ca + (NH4)2SO4 = (NH4)2CaSO4
Li2CO3 + HNO3 = LiNO3 + H2CO3 =>
Li2CO3 + 2 HNO3 = 2 LiNO3 + H2CO3
SiO2 + NaOH = H2O + Na8(Si2O5)4 =>
8 SiO2 + 8 NaOH = 4 H2O + Na8(Si2O5)4
NaCH3COO + H2SO4 = Na2SO4 + CH3COOH =>
2 NaCH3COO + H2SO4 = Na2SO4 + 2 CH3COOH
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Pb(NO3)2 + CuSO4 = PbSO4 + Cu(NO3)2 =>
Pb(NO3)2 + CuSO4 = PbSO4 + Cu(NO3)2
ClO{-} + (S2O3){-}2 + OH{-} = Cl{-} + (SO4){-}2 + H{+} =>
9 ClO{-} + 2(S2O3){-}2 + OH{-} = 9 Cl{-} + 4(SO4){-}2 + H{+}
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
Na2O + CO2 = Na2CO3 =>
Na2O + CO2 = Na2CO3
CH3OHO = CH3OOH =>
CH3OHO = CH3OOH
H2SO4 + NH4OH = H2O + (NH4)2SO4 =>
H2SO4 + 2 NH4OH = 2 H2O + (NH4)2SO4
Pb3O4 + CH3COOH = PbO2 + Pb(CH3COO)2 + H2O =>
Pb3O4 + 4 CH3COOH = PbO2 + 2 Pb(CH3COO)2 + 2 H2O
P2(CrO4)3 = P4 + (CrO4) =>
2 P2(CrO4)3 = P4 + 6(CrO4)
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
NH3 + NO2 = N2 + H2O =>
8 NH3 + 6 NO2 = 7 N2 + 12 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
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