| 前日に均衡した方程式 |
4 MnO2 + 4 KOH + 3 O2 = 4 KMnO4 + 2 H2O
AlCl3 + NH4(OH) = NH4Cl + Al(OH)3 =>
AlCl3 + 3 NH4(OH) = 3 NH4Cl + Al(OH)3
SO2 + KI = K2O + S + I2 =>
SO2 + 4 KI = 2 K2O + S + 2 I2
CH3COOH + O2 = CH3OH + COO2 =>
CH3COOH + O2 = CH3OH + COO2
CH3CH2CH2COONa + CH3CHCH3CH2Br = CH3CH2CH2COOCH2CH3CHCH3 + NaBr =>
CH3CH2CH2COONa + CH3CHCH3CH2Br = CH3CH2CH2COOCH2CH3CHCH3 + NaBr
Cl + NaO = NaCl + O =>
Cl + NaO = NaCl + O
Cu(OH)2 + Zn(NO3)2 = Cu(NO3)2 + Zn(OH)2 =>
Cu(OH)2 + Zn(NO3)2 = Cu(NO3)2 + Zn(OH)2
SO4{2-} + H2O + K{+} + Al{3+} = KAl(SO4)2*12H2O =>
2 SO4{2-} + 12 H2O + K{+} + Al{3+} = KAl(SO4)2*12H2O
HCl + Li2SO4 = LiCl + H2SO4 =>
2 HCl + Li2SO4 = 2 LiCl + H2SO4
KClO3 + FeO + HCl = KCl + FeCl3 + H2O =>
KClO3 + 6 FeO + 18 HCl = KCl + 6 FeCl3 + 9 H2O
K2[HgI4] + NaOH = NaI + HgI2 + KOH =>
K2[HgI4] + 2 NaOH = 2 NaI + HgI2 + 2 KOH
FeS + H2SO4 = FeSO4 + SO2 + H2 =>
FeS + 2 H2SO4 = FeSO4 + 2 SO2 + 2 H2
C2H5Br + Na = C2H5 + NaBr =>
C2H5Br + Na = C2H5 + NaBr
NaOH = Na + O2 + H2 =>
2 NaOH = 2 Na + O2 + H2
KNO3 + Al + H2SO4 = NO2 + K2SO4 + Al2(SO4)3 + H2O =>
6 KNO3 + 2 Al + 6 H2SO4 = 6 NO2 + 3 K2SO4 + Al2(SO4)3 + 6 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Fr + Ni2(CrO4)3 = Fr3(CrO4)2 + Ni2 =>
9 Fr + 2 Ni2(CrO4)3 = 3 Fr3(CrO4)2 + 2 Ni2
Br2 + MnCl2 + H2O = MnO2 + HCl + HBr =>
Br2 + MnCl2 + 2 H2O = MnO2 + 2 HCl + 2 HBr
Na[Fe(OH)4] + H2SO4 = Na2SO4 + H2O + Fe2(SO4)3 =>
2 Na[Fe(OH)4] + 4 H2SO4 = Na2SO4 + 8 H2O + Fe2(SO4)3
Mg2 + CuSO4 = MgCuSO4 =>
Mg2 + 2 CuSO4 = 2 MgCuSO4
CH3CH2OH(l) + O2(g) = H2O(l) + CO2(g) =>
CH3CH2OH(l) + 3 O2(g) = 3 H2O(l) + 2 CO2(g)
Zn(NO3)2 + Na3PO4 = ZnPO4 + Na3(NO3)2 =>
Zn(NO3)2 + Na3PO4 = ZnPO4 + Na3(NO3)2
CaCNS + Na = NaCNS + Ca =>
CaCNS + Na = NaCNS + Ca
Br2 + HNO3 = HBrO3 + NO + H2O =>
3 Br2 + 10 HNO3 = 6 HBrO3 + 10 NO + 2 H2O
HSO4{-} + H{+} = H2SO4 =>
HSO4{-} + H{+} = H2SO4
NO(g) + H2O(l) + O2(g) = HNO3(l) =>
4 NO(g) + 2 H2O(l) + 3 O2(g) = 4 HNO3(l)
CH3CHCH2 + H2O = (CH3)2CHOH =>
CH3CHCH2 + H2O = (CH3)2CHOH
Na3PO4 + Ca + (OH)2 = NaOH + Ca3(PO4)2 =>
2 Na3PO4 + 3 Ca + 3(OH)2 = 6 NaOH + Ca3(PO4)2
MgSO4(aq) + CaS(aq) = MgS + SO4Ca =>
MgSO4(aq) + CaS(aq) = MgS + SO4Ca
HCl(aq) + K2SO4(aq) = H2SO4 + KCl =>
2 HCl(aq) + K2SO4(aq) = H2SO4 + 2 KCl
V(OH)2 + KMnO4 + H2SO4 = VO(OH)2 + MnSO4 + K2SO4 + H2O =>
5 V(OH)2 + 2 KMnO4 + 3 H2SO4 = 5 VO(OH)2 + 2 MnSO4 + K2SO4 + 3 H2O
ReO3 + KOH = KReO4 + H2O + K2ReO3 =>
3 ReO3 + 4 KOH = 2 KReO4 + 2 H2O + K2ReO3
C6H6 + Br2 = C6H5Br + HBr =>
C6H6 + Br2 = C6H5Br + HBr
Na(s) + ZnSO4(Ac) = Na2SO4(Ac) + Zn(s) =>
2 Na(s) + ZnSO4(Ac) = Na2SO4(Ac) + Zn(s)
Sn(s) + Al(NO3)3 = Sn(NO3)(aq) + Al(s) =>
3 Sn(s) + Al(NO3)3 = 3 Sn(NO3)(aq) + Al(s)
Cr + Fe(OH)3 + O2 = Fe2(Cr2O4)3 + H2O =>
12 Cr + 4 Fe(OH)3 + 9 O2 = 2 Fe2(Cr2O4)3 + 6 H2O
KCl(O)3 = KCl + O2 =>
2 KCl(O)3 = 2 KCl + 3 O2
Al + CuI3 = AlI + Cu =>
3 Al + CuI3 = 3 AlI + Cu
SrBr2 + Fe(OH)2 = FeBr2 + Sr(OH)2 =>
SrBr2 + Fe(OH)2 = FeBr2 + Sr(OH)2
Fe3O4 + MnO4{-} + H2O = Fe2O3 + MnO2 + OH{-} =>
6 Fe3O4 + 2 MnO4{-} + H2O = 9 Fe2O3 + 2 MnO2 + 2 OH{-}
H2S + K2CrO4 = K2S + Cr(OH)3 + S + H2O =>
5 H2S + 2 K2CrO4 = 2 K2S + 2 Cr(OH)3 + 3 S + 2 H2O
C6H5Br + Mg + CO2 + HCl + NaOH = C7H6O2 + MgBr + NaCl =>
30 C6H5Br + 30 Mg + 23 CO2 + 12 HCl + 12 NaOH = 29 C7H6O2 + 30 MgBr + 12 NaCl
Hg(NO3)2 + NH4OH = NH4NO3 + Hg(OH)2 =>
Hg(NO3)2 + 2 NH4OH = 2 NH4NO3 + Hg(OH)2
AgOH + Mg2(NO3)2 = Ag(NO3)2 + Mg2OH =>
AgOH + Mg2(NO3)2 = Ag(NO3)2 + Mg2OH
MnO4{-} + Cl{-} + H2SO4 = Mn{2+} + Cl2 + H2O + SO4{2-} =>
2 MnO4{-} + 10 Cl{-} + 8 H2SO4 = 2 Mn{2+} + 5 Cl2 + 8 H2O + 8 SO4{2-}
KCrO7 + KNO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + KNO3 + H2O =>
2 KCrO7 + 10 KNO2 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 10 KNO3 + 4 H2O
CO2 + CaO = Ca{2+} + CO3{2-} =>
CO2 + CaO = Ca{2+} + CO3{2-}
As + O2 = As2O5As2O5 =>
4 As + 5 O2 = As2O5As2O5
KBrO4 + HBr = Br2 + H2O + KBr =>
KBrO4 + 8 HBr = 4 Br2 + 4 H2O + KBr
Fe + (Fe(CN)6) = Fe7N18C18 =>
4 Fe + 3(Fe(CN)6) = Fe7N18C18
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