Équations équilibrées la veille |
2 KClO3 = 2 KCl + 3 O2
FeCl2 + HNO3 = Fe(NO3)3 + NO + H2O + HCl =>
3 FeCl2 + 10 HNO3 = 3 Fe(NO3)3 + NO + 2 H2O + 6 HCl
Ca(HCO3)2 + Ba(OH)2 = CaCO3 + BaCO3 + H2O =>
Ca(HCO3)2 + Ba(OH)2 = CaCO3 + BaCO3 + 2 H2O
Zn(NH3)42 + S = ZnS + (NH3)42 =>
Zn(NH3)42 + S = ZnS + (NH3)42
MnO2 + HBr = MnBr2 + Br2 + H2O =>
MnO2 + 4 HBr = MnBr2 + Br2 + 2 H2O
C2H5 = C + H2 =>
2 C2H5 = 4 C + 5 H2
SiO2 + CO2 = Si2C2O8 =>
2 SiO2 + 2 CO2 = Si2C2O8
K2CrO4 + BaCl2 = KCl + BaCrO4 =>
K2CrO4 + BaCl2 = 2 KCl + BaCrO4
CaCO3 + HCl = Cl + CaCO3H =>
CaCO3 + HCl = Cl + CaCO3H
KNO3 + Cr2(SO4)3 + Na2CO3 = KNO2 + Na2CrO4 + NaSO4 + CO2 =>
9 KNO3 + 2 Cr2(SO4)3 + 7 Na2CO3 = 9 KNO2 + 4 Na2CrO4 + 6 NaSO4 + 7 CO2
Zn + CuCl2 = ZnCl2 + CuCl =>
Zn + 2 CuCl2 = ZnCl2 + 2 CuCl
CH3CCH2CH3 + HCl = CH3CHClCH2CH3 =>
CH3CCH2CH3 + HCl = CH3CHClCH2CH3
CO + NaOH = CO2 + NaH =>
CO + NaOH = CO2 + NaH
CH3(CH2)3OH + HCl = CH3(CH2)3Cl + H2O =>
CH3(CH2)3OH + HCl = CH3(CH2)3Cl + H2O
NaOH + C6H4COOKCOOH = C6H4COOKCOONa + H2O =>
NaOH + C6H4COOKCOOH = C6H4COOKCOONa + H2O
PBr3 + HNO3 = H3PO4 + H2O + Br2 + NO2 =>
2 PBr3 + 10 HNO3 = 2 H3PO4 + 2 H2O + 3 Br2 + 10 NO2
CH3COOH + NaOH(aq) = CH3COONa + H2O(l) =>
CH3COOH + NaOH(aq) = CH3COONa + H2O(l)
K2Cr2O7 + C2H5OH + H2SO4 = K2SO4 + Cr2(SO4)3 + H2O + CH3COOH =>
2 K2Cr2O7 + 3 C2H5OH + 8 H2SO4 = 2 K2SO4 + 2 Cr2(SO4)3 + 11 H2O + 3 CH3COOH
C3H7OH = CH3CHCH2 + H2O =>
C3H7OH = CH3CHCH2 + H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
CoSO4(H2O)7 = CoSO4(H2O)6 + H2O =>
CoSO4(H2O)7 = CoSO4(H2O)6 + H2O
Zn(aq) + HCl(aq) = ZnCl2(aq) + H2(g) =>
Zn(aq) + 2 HCl(aq) = ZnCl2(aq) + H2(g)
Zn + NO3{-} + OH{-} = H2O + NH3 + ZnO2{2-} =>
4 Zn + NO3{-} + 7 OH{-} = 2 H2O + NH3 + 4 ZnO2{2-}
NaCO3 + CaOH = NaOH + CaCO3 =>
NaCO3 + CaOH = NaOH + CaCO3
S + FeO = FeS2 + O2 =>
4 S + 2 FeO = 2 FeS2 + O2
Cr(OH)3 + IO3({-}1) + OH({-}1) = CrO4({-}2) + I({-}1) + H2O =>
3 Cr(OH)3 + 2 IO3({-}1) + 3 OH({-}1) = 3 CrO4({-}2) + 2 I({-}1) + 6 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Mn3 + HNO3 = Mn(HNO3)3 =>
Mn3 + 9 HNO3 = 3 Mn(HNO3)3
Na2SiO3 + HNO3 = NaNO3 + H2SiO3 =>
Na2SiO3 + 2 HNO3 = 2 NaNO3 + H2SiO3
CuSO4 + Na2CO3 + H2O = Cu4SO4(OH)6 + Na2SO4 + CO2 =>
4 CuSO4 + 3 Na2CO3 + 3 H2O = Cu4SO4(OH)6 + 3 Na2SO4 + 3 CO2
Bi(OH)3 + Na2SnO = H2O + Na2SnO3 + Bi =>
4 Bi(OH)3 + 3 Na2SnO = 6 H2O + 3 Na2SnO3 + 4 Bi
(CH3(CH2)3CH3) + (O2) = (CO2) + (H2O) =>
(CH3(CH2)3CH3) + 8(O2) = 5(CO2) + 6(H2O)
HCl + NH4Br = NH4Cl + HBr =>
HCl + NH4Br = NH4Cl + HBr
Li2O + H2SiO3 = Li2SiO3 + H2O =>
Li2O + H2SiO3 = Li2SiO3 + H2O
Rb(s) + Cl(g) = RbCl(s) =>
Rb(s) + Cl(g) = RbCl(s)
Ba + (SO4)3 = BaSO4 =>
3 Ba + (SO4)3 = 3 BaSO4
CO3H8 + O = CO2 + H2O =>
CO3H8 + 3 O = CO2 + 4 H2O
Br2 + CaCl = BrCl9 + Ca =>
Br2 + 18 CaCl = 2 BrCl9 + 18 Ca
Hg[NO3]2 = Hg + NO2 + O2 =>
Hg[NO3]2 = Hg + 2 NO2 + O2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NiCl3 + O2 = Ni + Cl2O =>
4 NiCl3 + 3 O2 = 4 Ni + 6 Cl2O
Mn2{+} + Cr = Mn + Cr3{+} =>
Mn2{+} + 3 Cr = 2 Mn + Cr3{+}
SiCl{-4} + NaH = SiH{-4} + NaCl =>
SiCl{-4} + NaH = SiH{-4} + NaCl
COCl + H{2}O = HCl + CO{2} =>
COCl + H{2}O = HCl + CO{2}
KMnO4 + HCl + Na2SO3 = Na2SO4 + KCl + MnCl2 + H2O =>
2 KMnO4 + 6 HCl + 5 Na2SO3 = 5 Na2SO4 + 2 KCl + 2 MnCl2 + 3 H2O
Cl2 + NaBr = Cl2Br2 + Na =>
Cl2 + 2 NaBr = Cl2Br2 + 2 Na
(NH4)2SO4(aq) + KOH(aq) = K2SO4(aq) + NH3(g) + H2O(l) =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 NH3(g) + 2 H2O(l)
Sn2O4 + AlCl3 = SnCl4 + Al2O3 =>
3 Sn2O4 + 8 AlCl3 = 6 SnCl4 + 4 Al2O3
Ba(OH)2 + Br2 = Ba(BrO)2 + BaBr2 + H2O =>
2 Ba(OH)2 + 2 Br2 = Ba(BrO)2 + BaBr2 + 2 H2O
C6H8 + KMnO4 + H2SO4 = MnSO4 + C6H6O2 + K2SO4 + H2O =>
5 C6H8 + 6 KMnO4 + 9 H2SO4 = 6 MnSO4 + 5 C6H6O2 + 3 K2SO4 + 14 H2O
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