Équations équilibrées la veille |
Ag2S + H2SO4 = Ag2SO4 + H2S
NH4CN + CH3COCH3 = (CH3)2C(NH2)CN + H2O =>
NH4CN + CH3COCH3 = (CH3)2C(NH2)CN + H2O
MnO2 + KBr2 + H2SO4 = Br2 + MnSO4 + K2SO4 + H2O =>
MnO2 + 2 KBr2 + 2 H2SO4 = 2 Br2 + MnSO4 + K2SO4 + 2 H2O
KC + AgNO3 = KNO3 + AgC =>
KC + AgNO3 = KNO3 + AgC
CH3CHCH2 + KMnO4 + H2O = CH3CHOHCH2OH + KOH + MnO2 =>
3 CH3CHCH2 + 2 KMnO4 + 4 H2O = 3 CH3CHOHCH2OH + 2 KOH + 2 MnO2
HCHO + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + HCOOH + H2O =>
3 HCHO + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 HCOOH + 4 H2O
C5H5N5 + O2 = CO2 + N2 + H2O =>
4 C5H5N5 + 25 O2 = 20 CO2 + 10 N2 + 10 H2O
Sn(OH)2 + Br2 + NaOH = SnO2 + NaBr + H2O =>
Sn(OH)2 + Br2 + 2 NaOH = SnO2 + 2 NaBr + 2 H2O
CH3(CH2)4CH3 + O2 = H2O + CH3COO =>
4 CH3(CH2)4CH3 + 17 O2 = 10 H2O + 12 CH3COO
Ca(OH)2 + N2 = CaN + OH =>
2 Ca(OH)2 + N2 = 2 CaN + 4 OH
Li{+} + Ca = Li + Ca{+2} =>
2 Li{+} + Ca = 2 Li + Ca{+2}
C3H9N + O2 + OH{-} = CO3{2-} + H2O + N2 =>
4 C3H9N + 21 O2 + 24 OH{-} = 12 CO3{2-} + 30 H2O + 2 N2
Bi + (NH4)2S = Bi2S3 + NH4 =>
2 Bi + 3(NH4)2S = Bi2S3 + 6 NH4
Ca + Co2 = CaCo3 =>
2 Ca + 3 Co2 = 2 CaCo3
AlHO + Na(N)3 = Al(N)3 + NaHO =>
AlHO + Na(N)3 = Al(N)3 + NaHO
NH4Fe(SO4)2 + BaCl2 = BaSO4 + FeCl3 + NH4Cl =>
NH4Fe(SO4)2 + 2 BaCl2 = 2 BaSO4 + FeCl3 + NH4Cl
FeS + NaBiO3 + H2SO4 = Fe(SO4)3 + Na2SO3 + Bi2(SO4)3 + H2O =>
FeS + 4 NaBiO3 + 10 H2SO4 = Fe(SO4)3 + 2 Na2SO3 + 2 Bi2(SO4)3 + 10 H2O
Bi(OH)3 + Na2S2O8 + NaOH = NaBiO3 + Na2SO4 + H2O =>
Bi(OH)3 + Na2S2O8 + 3 NaOH = NaBiO3 + 2 Na2SO4 + 3 H2O
N2O5 + HCl = NO2Cl + HNO3 =>
N2O5 + HCl = NO2Cl + HNO3
K2S + CuSO4 = CuS(s) + K2SO4(aq) =>
K2S + CuSO4 = CuS(s) + K2SO4(aq)
Ag + HNO{3} = NO + H{2}O + AgNO{3} =>
Ag + 3 HNO{3} = 2 NO + 3 H{2}O + AgNO{3}
P2O5 + KBr = PBr5 + K2O =>
P2O5 + 10 KBr = 2 PBr5 + 5 K2O
PbO2 + KBr + HNO3 = Pb(NO3)2 + Br2 + KNO3 + H2O =>
PbO2 + 2 KBr + 4 HNO3 = Pb(NO3)2 + Br2 + 2 KNO3 + 2 H2O
KMnO4 + NaNO2 + H2SO4 = KMn(SO4)2 + H2O + NaNO3 =>
KMnO4 + 2 NaNO2 + 2 H2SO4 = KMn(SO4)2 + 2 H2O + 2 NaNO3
NO3 + H2O = OH + NO =>
NO3 + 2 H2O = 4 OH + NO
HClO3(aq) + Sr(OH)2(aq) = Sr(ClO3)2(aq) + H2O(l) =>
2 HClO3(aq) + Sr(OH)2(aq) = Sr(ClO3)2(aq) + 2 H2O(l)
SAl = AlS =>
SAl = AlS
FH2{-} + H2O = H3O{+} + FH{-2} =>
FH2{-} + H2O = H3O{+} + FH{-2}
W(s) + I2(g) = WI6(g) =>
W(s) + 3 I2(g) = WI6(g)
FeBr2 + Li2S = FeS + LiBr =>
FeBr2 + Li2S = FeS + 2 LiBr
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g) =>
NaHCO3(s) + CH3COOH(aq) = CH3COONa(aq) + H2O(l) + CO2(g)
Cu + KOH + H2O = K[Cu(OH)4] + H2 =>
2 Cu + 2 KOH + 6 H2O = 2 K[Cu(OH)4] + 3 H2
Ag + HNO{3} = NO + H{2}O + AgNO{3} =>
Ag + 3 HNO{3} = 2 NO + 3 H{2}O + AgNO{3}
Mg + H3PO4 = H2 + Mg3(PO4)2 =>
3 Mg + 2 H3PO4 = 3 H2 + Mg3(PO4)2
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH =>
(CH3CO)2O + CH3CH2OH = CH3CO2CH2CH3 + CH3COOH
Na3PO4(aq) + CrCl3(aq) = CrPO4 + NaCl =>
Na3PO4(aq) + CrCl3(aq) = CrPO4 + 3 NaCl
Mg + O + PO = Mg3(PO4)2 =>
3 Mg + 6 O + 2 PO = Mg3(PO4)2
Na2MnO4 + H2O = NaMnO4 + MnO2 + NaOH =>
3 Na2MnO4 + 2 H2O = 2 NaMnO4 + MnO2 + 4 NaOH
CaCO3(S) = CaO(S) + CO2(g) =>
CaCO3(S) = CaO(S) + CO2(g)
H3PO3 + CuO = Cu3(PO3)2 + H2O =>
2 H3PO3 + 3 CuO = Cu3(PO3)2 + 3 H2O
HNO2 + HBr = NO + Br + H2O =>
HNO2 + HBr = NO + Br + H2O
Ag{+} + Ni = Ni{+2} + Ag =>
2 Ag{+} + Ni = Ni{+2} + 2 Ag
Al + P + O = AlPO =>
Al + P + O = AlPO
H2SeO3 + H2S = Se + H2SO4 + HOH =>
2 H2SeO3 + H2S = 2 Se + H2SO4 + 2 HOH
CuCO3 + CH3COOH = CO2 + CuCH3COO + H2O =>
8 CuCO3 + 9 CH3COOH = 10 CO2 + 8 CuCH3COO + 6 H2O
Ce(IO3)4 + H2C2H4 = Ce2(C2O4)3 + I2 + CO2 + H2O =>
14 Ce(IO3)4 + 24 H2C2H4 = 7 Ce2(C2O4)3 + 28 I2 + 6 CO2 + 72 H2O
K2Cr2O7 + NaOH + HCl = KCl + Na2Cr2O7 + H2O =>
K2Cr2O7 + 2 NaOH + 2 HCl = 2 KCl + Na2Cr2O7 + 2 H2O
Al + CaOH2 + H2O = H2 + CaAl(OH)4 =>
Al + CaOH2 + 3 H2O = 2 H2 + CaAl(OH)4
Cu + AgN = Ag + CuN2 =>
Cu + 2 AgN = 2 Ag + CuN2
Co2Cl2 + KOH + KClO3 = Co2O3 + KCl + H2O =>
3 Co2Cl2 + 6 KOH + 2 KClO3 = 3 Co2O3 + 8 KCl + 3 H2O
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