| 前日に均衡した方程式 |
Fe + 3 LiCN = 3 Li + Fe(CN)3
KCN(aq) + HCl(aq) = KCl(aq) + HCN(g) =>
KCN(aq) + HCl(aq) = KCl(aq) + HCN(g)
CH3COONa(aq) + HCl(aq) = CH3COOH(l) + NaCl(aq) =>
CH3COONa(aq) + HCl(aq) = CH3COOH(l) + NaCl(aq)
CH3CH2CH2CH2CH2OH + CH3COOH = CH3COOCH2CH3 + H2O =>
2 CH3CH2CH2CH2CH2OH + 5 CH3COOH = 5 CH3COOCH2CH3 + 2 H2O
HClO3 + LiOH = HOH + LiClO3 =>
HClO3 + LiOH = HOH + LiClO3
Na2S + (CH3COO)2Pb = (CH3COO)Na + PbS =>
Na2S + (CH3COO)2Pb = 2(CH3COO)Na + PbS
H2SO4 + (VO2)2SO4 + Zn = (VO)SO4 + ZnSO4 + H2O =>
2 H2SO4 + (VO2)2SO4 + Zn = 2(VO)SO4 + ZnSO4 + 2 H2O
H2SO4(l) + NaOH(s) = Na2SO4(s) + H2O(l) =>
H2SO4(l) + 2 NaOH(s) = Na2SO4(s) + 2 H2O(l)
Be(OH)2 + KOH = K2[Be(OH)4] =>
Be(OH)2 + 2 KOH = K2[Be(OH)4]
C + HClO4 = CO2 + HCl =>
2 C + HClO4 = 2 CO2 + HCl
Sr(NO3)2 + K2CrO4 = SrCrO4 + K2(NO3)2 =>
Sr(NO3)2 + K2CrO4 = SrCrO4 + K2(NO3)2
Mn(OH)4 = Mn2O4 + H2O =>
2 Mn(OH)4 = Mn2O4 + 4 H2O
S + H2O2 = SO3 + H2O =>
S + 3 H2O2 = SO3 + 3 H2O
PbCl2 + AgNo3 = Pb(No3)2 + AgCl =>
PbCl2 + 2 AgNo3 = Pb(No3)2 + 2 AgCl
CuSO4 + NH4Cl = CuCl2 + (NH4)2SO4 =>
CuSO4 + 2 NH4Cl = CuCl2 + (NH4)2SO4
MgI2 + Mn(SO4)2 = Mg(SO4)2 + MnI2 =>
MgI2 + Mn(SO4)2 = Mg(SO4)2 + MnI2
ZnSO4 + Cu(NO3)2 = Zn(NO3)2 + Cu(SO4) =>
ZnSO4 + Cu(NO3)2 = Zn(NO3)2 + Cu(SO4)
Pb + NH4OH = Pb(OH)2 + NH4 =>
Pb + 2 NH4OH = Pb(OH)2 + 2 NH4
SO3(g) + H2O(aq) = H2SO4(g) =>
SO3(g) + H2O(aq) = H2SO4(g)
P + O2 = P4O10 = H3PO4 =>
4 P + 5 O2 = P4O10
Bi(OH)3 + Sn(OH)3{-} = Sn(OH)6{-}2 + Bi =>
Bi(OH)3 + Sn(OH)3{-} = Sn(OH)6{-}2 + Bi
AlCl3 + NiCO3 = Al2(CO3)3 + NiCl2 =>
2 AlCl3 + 3 NiCO3 = Al2(CO3)3 + 3 NiCl2
SiO + H2O = H2SiO2 =>
SiO + H2O = H2SiO2
H2SO4 + BeCO3 = BeSO4 + H2CO3 =>
H2SO4 + BeCO3 = BeSO4 + H2CO3
Xe + H2O = HXeO4 + H =>
Xe + 4 H2O = HXeO4 + 7 H
Ag2O + NH4OH + NH4NO3 = (Ag(NH3)2)NO3 + H2O =>
Ag2O + 2 NH4OH + 2 NH4NO3 = 2(Ag(NH3)2)NO3 + 3 H2O
Ba(NO3)2 + CuSO4 = Cu(NO3)2BaSO4 =>
Ba(NO3)2 + CuSO4 = Cu(NO3)2BaSO4
Co(OH)3 + H2CO3 = Co2(CO3)3 + H2O =>
2 Co(OH)3 + 3 H2CO3 = Co2(CO3)3 + 6 H2O
Hg + Ca(NO3)2 = Ca + HgNO3 =>
2 Hg + Ca(NO3)2 = Ca + 2 HgNO3
Ca(NO3)2 + Fe2(SO4)3 = Ca(SO4)3 + Fe2(NO3)2 =>
Ca(NO3)2 + Fe2(SO4)3 = Ca(SO4)3 + Fe2(NO3)2
Cr2O72{-} + Br{-} + H{+} = Cr3{+} + Br2 + H2O =>
6 Cr2O72{-} + 854 Br{-} + 864 H{+} = 4 Cr3{+} + 427 Br2 + 432 H2O
C8H8 + O2 = CO2 + H2O =>
C8H8 + 10 O2 = 8 CO2 + 4 H2O
AlBr3 + K2(SO4) = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2(SO4) = 6 KBr + Al2(SO4)3
CuCO3 + HCl = Cu(HCO3)2 + CuCl2 =>
2 CuCO3 + 2 HCl = Cu(HCO3)2 + CuCl2
COCl2(s) + H2O(l) = HCl(aq) + CO2(g) =>
COCl2(s) + H2O(l) = 2 HCl(aq) + CO2(g)
S + F2 = SF6 =>
S + 3 F2 = SF6
ZnS + H = Zn + H2S =>
ZnS + 2 H = Zn + H2S
NaF(aq) + MgCl2(aq) = NaCl(aq) + MgF2(s) =>
2 NaF(aq) + MgCl2(aq) = 2 NaCl(aq) + MgF2(s)
Na2SO4 + KCl = NaCl + K2SO4 =>
Na2SO4 + 2 KCl = 2 NaCl + K2SO4
AgNO3(aq) + K2CO3(aq) = AgCO3(s) + K2NO3(aq) =>
AgNO3(aq) + K2CO3(aq) = AgCO3(s) + K2NO3(aq)
Fe2O3(aq) + H2(g) = Fe(s) + H2O(g) =>
Fe2O3(aq) + 3 H2(g) = 2 Fe(s) + 3 H2O(g)
C + O2 = CO2 =>
C + O2 = CO2
V + H2SO4 = VSO4 + H2 =>
V + H2SO4 = VSO4 + H2
KNO2 + Br2 + KOH = KBr + KNO3 + H2O =>
KNO2 + Br2 + 2 KOH = 2 KBr + KNO3 + H2O
K2Cr2O7 + H2SO4 + C6H5CHCH2 = C6H5COOH + K2SO4 + Cr2(SO4)3 + HOH =>
20 K2Cr2O7 + 80 H2SO4 + 21 C6H5CHCH2 = 24 C6H5COOH + 20 K2SO4 + 20 Cr2(SO4)3 + 92 HOH
Cu(OH)2(s) + NH3(aq) = Cu(NH3)4(aq) + OH(aq) =>
Cu(OH)2(s) + 4 NH3(aq) = Cu(NH3)4(aq) + 2 OH(aq)
CoCl2 + KCN + H2O = K3[Co(CN)6] + KCl + KOH + H2 =>
2 CoCl2 + 12 KCN + 2 H2O = 2 K3[Co(CN)6] + 4 KCl + 2 KOH + H2
NH3 + Ni(NO3)2 + H2O = NH4NO3 + Ni =>
10 NH3 + 4 Ni(NO3)2 + 3 H2O = 9 NH4NO3 + 4 Ni
Cu3(PO4)2 + Ni = Ni3O8P2 + Cu =>
Cu3(PO4)2 + 3 Ni = Ni3O8P2 + 3 Cu
C2H5CHO + Cu(OH)2 = C2H5COOH + Cu2O + H2O =>
C2H5CHO + 2 Cu(OH)2 = C2H5COOH + Cu2O + 2 H2O
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方程式のバランス10/23/24
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