| Équations équilibrées la veille |
2 H(NO3) + Mn(OH)2 = 2 H(OH) + Mn(NO3)2
AlCl3 + K2CO3 + H2O = KCl + Al(OH)3 + CO2 =>
2 AlCl3 + 3 K2CO3 + 3 H2O = 6 KCl + 2 Al(OH)3 + 3 CO2
P + HCl = PCl3 + H2 =>
2 P + 6 HCl = 2 PCl3 + 3 H2
P + HCl = PCl5 + H2 =>
2 P + 10 HCl = 2 PCl5 + 5 H2
Br(l) + Al(s) = AlBr(s) =>
Br(l) + Al(s) = AlBr(s)
Ba(NO3)2 + Al2(SO4)3 = Ba(SO4) + Al(NO3)3 =>
3 Ba(NO3)2 + Al2(SO4)3 = 3 Ba(SO4) + 2 Al(NO3)3
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
P + HCl = PH3 + Cl2 =>
2 P + 6 HCl = 2 PH3 + 3 Cl2
CH4 + NH3 + O2 = HCN + H2O =>
2 CH4 + 2 NH3 + 3 O2 = 2 HCN + 6 H2O
HI + Na2Cr2O7 + SnI2 = SnI4 + Cr2O3 + NaI + H2O =>
8 HI + Na2Cr2O7 + 3 SnI2 = 3 SnI4 + Cr2O3 + 2 NaI + 4 H2O
A1 + S = A12S3 =>
12 A1 + 3 S = A12S3
P + HCl = PH3 + PCl3 =>
2 P + 3 HCl = PH3 + PCl3
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 = Na2SO4 + CuO + H2O =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
P + O = P2O3 =>
2 P + 3 O = P2O3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
P + O = P4O6 =>
4 P + 6 O = P4O6
P + O = PO =>
P + O = PO
Ba(OH)2 + H2S = BaS + H2O =>
Ba(OH)2 + H2S = BaS + 2 H2O
P2 + O2 = P2O3 =>
2 P2 + 3 O2 = 2 P2O3
Fe + Br2 = FeBr3 =>
2 Fe + 3 Br2 = 2 FeBr3
Co(NO3)2 + KNO2 + CH3COOH = K3(Co(NO2)6) + KNO3 + CH3COOK + H2O =>
2 Co(NO3)2 + 11 KNO2 + 2 CH3COOH = 2 K3(Co(NO2)6) + 3 KNO3 + 2 CH3COOK + H2O
P2 + O2 = P2O5 =>
2 P2 + 5 O2 = 2 P2O5
P2O5 + KOH = K3PO4 + H2O =>
P2O5 + 6 KOH = 2 K3PO4 + 3 H2O
NiCl2 + Na2(PO4) = Ni(PO4) + NaCl =>
NiCl2 + Na2(PO4) = Ni(PO4) + 2 NaCl
OCl({-}) + Br({-}) + H2O = Cl({-}) + Br2 + OH({-}) =>
OCl({-}) + 2 Br({-}) + H2O = Cl({-}) + Br2 + 2 OH({-})
P4 + H2O + KOH = PH3 + KH2PO4 =>
2 P4 + 9 H2O + 3 KOH = 5 PH3 + 3 KH2PO4
P4 + S = P2S5 =>
P4 + 10 S = 2 P2S5
P4 + S = P4S10 =>
P4 + 10 S = P4S10
HI(g) = H(g) + I(g) =>
HI(g) = H(g) + I(g)
P4 + S = P4S3 =>
P4 + 3 S = P4S3
P4 + S = PS =>
P4 + 4 S = 4 PS
P4S3 + O2 = P4O10 + SO2 =>
P4S3 + 8 O2 = P4O10 + 3 SO2
FeSO4 + Al2(Cr2O7)3 + H2SO4 = Al(HSO4)3 + Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
18 FeSO4 + Al2(Cr2O7)3 + 24 H2SO4 = 2 Al(HSO4)3 + 9 Fe2(SO4)3 + 3 Cr2(SO4)3 + 21 H2O
PB + CUSO4 = PBSO4 + CU =>
PB + CUSO4 = PBSO4 + CU
PBO + H2O = PB(OH)2 =>
PBO + H2O = PB(OH)2
PH3 + Cl2 = PCl3 + HCl =>
PH3 + 3 Cl2 = PCl3 + 3 HCl
POCl3 + H2O = H3PO4 + HCl =>
POCl3 + 3 H2O = H3PO4 + 3 HCl
Pb(CH3COO)2 + (NH4)2S = PbS + NH4CH3COO =>
Pb(CH3COO)2 + (NH4)2S = PbS + 2 NH4CH3COO
Br2 + KOH = KBr + KBrO + H2O =>
Br2 + 2 KOH = KBr + KBrO + H2O
Ba2S2O3 + HCl = BaCl2 + S + SO2 + H2O =>
2 Ba2S2O3 + 8 HCl = 4 BaCl2 + 3 S + SO2 + 4 H2O
Fe(OH)3 + K2C2O4 + H2C2O4 = K3Fe(C2O4)3 + H2O =>
2 Fe(OH)3 + 3 K2C2O4 + 3 H2C2O4 = 2 K3Fe(C2O4)3 + 6 H2O
Pb(NO3)2 + KSCN = Pb(SCN)2 + K(NO3) =>
Pb(NO3)2 + 2 KSCN = Pb(SCN)2 + 2 K(NO3)
Pb(NO3)2 + KSCN = PbSCN + K(NO3)2 =>
Pb(NO3)2 + KSCN = PbSCN + K(NO3)2
Pb + N = Pb3N2 =>
3 Pb + 2 N = Pb3N2
Pb(NO3)2 + Na2CrO4 = PbCrO4 + Na2(NO3)2 =>
Pb(NO3)2 + Na2CrO4 = PbCrO4 + Na2(NO3)2
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
Pb(s) + HCl(aq) = PbCl2(aq) + H2(g) =>
Pb(s) + 2 HCl(aq) = PbCl2(aq) + H2(g)
Pb + Au(NO3)3 = Pb(NO3)2 + Au =>
3 Pb + 2 Au(NO3)3 = 3 Pb(NO3)2 + 2 Au
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Équations équilibrées sur10/20/24
Équations équilibrées sur11/19/23
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