| 前日に均衡した方程式 |
H2SO4(aq) + NaOH(aq) = NaSO4(aq) + H3O(l)
Fe(No3)3 + SCN = Fe(SCN) + (No3)3 =>
Fe(No3)3 + SCN = Fe(SCN) + (No3)3
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
HBr + CaF2 = HF + CaBr2 =>
2 HBr + CaF2 = 2 HF + CaBr2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
PbCrO4(s) = Pb + CrO4 =>
PbCrO4(s) = Pb + CrO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CH2 + O2 = CO2 + H2O =>
2 CH2 + 3 O2 = 2 CO2 + 2 H2O
Na2CO3 = Na2O + CO2 =>
Na2CO3 = Na2O + CO2
Na2Cr2O7 + HCl + NaBr = CrCl3 + Br + NaCl + H2O =>
Na2Cr2O7 + 14 HCl + 6 NaBr = 2 CrCl3 + 6 Br + 8 NaCl + 7 H2O
Cd + S = CdS =>
Cd + S = CdS
Na2O + P4O10 = Na3PO4 =>
6 Na2O + P4O10 = 4 Na3PO4
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
FeCl3 + Na2CO3 = Fe2(CO3)3 + NaCl =>
2 FeCl3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaCl
FeS + O2 = Fe3O34 + SO2 =>
3 FeS + 20 O2 = Fe3O34 + 3 SO2
Fe7Cl3 + KOH = K7Cl + Fe(OH)3 =>
Fe7Cl3 + 21 KOH = 3 K7Cl + 7 Fe(OH)3
NH4VO3 + Zn + HCl = NH3 + V2O3 + ZnCl2 + H2O =>
2 NH4VO3 + 2 Zn + 4 HCl = 2 NH3 + V2O3 + 2 ZnCl2 + 3 H2O
Cr2(SO4)3 + KBr = KCr2 + Br(SO4)3 =>
Cr2(SO4)3 + KBr = KCr2 + Br(SO4)3
O + Cl2 = Cl2O =>
O + Cl2 = Cl2O
Fe + HNO3(conc) = Fe2O3 + N20 + H2O =>
100 Fe + 60 HNO3(conc) = 50 Fe2O3 + 3 N20 + 30 H2O
Na2CO3 + NH4Cl = (NH4)2CO3 + NaCl =>
Na2CO3 + 2 NH4Cl = (NH4)2CO3 + 2 NaCl
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
NaBH4 + BF3 = NaBF4 + B2H6 =>
3 NaBH4 + 4 BF3 = 3 NaBF4 + 2 B2H6
KOH + H2SO4 = K2SO4 + H2O = =>
2 KOH + H2SO4 = K2SO4 + 2 H2O
CuCl2 + NH3OH = Cu(OH)2 + ClNH3 =>
CuCl2 + 2 NH3OH = Cu(OH)2 + 2 ClNH3
Co(OH)3 + HNO3 = Co(NO3)3 + H2O =>
Co(OH)3 + 3 HNO3 = Co(NO3)3 + 3 H2O
CaCo3 + Mg = MgCo3 + Ca =>
CaCo3 + Mg = MgCo3 + Ca
C2H5COHH2 = C2H5COH3 =>
C2H5COHH2 = C2H5COH3
K3PO4(aq) + Na2S(aq) = K3S(aq) + Na2PO4(aq) =>
K3PO4(aq) + Na2S(aq) = K3S(aq) + Na2PO4(aq)
NaOH + Ba(OH)2 = Na(OH)2 + Ba2(OH)2 =>
2 NaOH + 2 Ba(OH)2 = 2 Na(OH)2 + Ba2(OH)2
M + H2 = MH3 =>
2 M + 3 H2 = 2 MH3
K + Na3[Co(NO2)6] = K2Na3[Co(NO2)6] =>
2 K + Na3[Co(NO2)6] = K2Na3[Co(NO2)6]
Ce(NO3)3 + Na2CO3 = Na2NO3 + Ce(CO3)3 =>
Ce(NO3)3 + 3 Na2CO3 = 3 Na2NO3 + Ce(CO3)3
K2CO3 + Zn(OH)2 = ZnCO3 + K2(OH)2 =>
K2CO3 + Zn(OH)2 = ZnCO3 + K2(OH)2
C2H6O = C + H2 + O2 =>
2 C2H6O = 4 C + 6 H2 + O2
Pb(s) + ZnBr2(aq) = PbBr + Zn =>
2 Pb(s) + ZnBr2(aq) = 2 PbBr + Zn
CdO = Cd + O =>
CdO = Cd + O
KIO3 + KI + H2O = I{-} + K2IO4 + H{+} =>
7 KIO3 + 5 KI + 3 H2O = 6 I{-} + 6 K2IO4 + 6 H{+}
CuO + Cl2 = CuOCl2 =>
CuO + Cl2 = CuOCl2
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
N2O3 + Ba(OH)2 = Ba(NO2)2 + H2O =>
N2O3 + Ba(OH)2 = Ba(NO2)2 + H2O
CuSO4(aq) + Zn(No3)2(aq) = Cu(No3)2(aq) + ZnSO4(aq) =>
CuSO4(aq) + Zn(No3)2(aq) = Cu(No3)2(aq) + ZnSO4(aq)
Cu + Ni = CuNi2 =>
Cu + 2 Ni = CuNi2
KMnO4 + Al + KOH = K2MnO4 + K3AlO3 + H2O =>
3 KMnO4 + Al + 6 KOH = 3 K2MnO4 + K3AlO3 + 3 H2O
Pb + H2O + OH{-} = PbO2H{-} + H2 =>
Pb + H2O + OH{-} = PbO2H{-} + H2
AlCl3 + Pb(NO3)4 = Al(NO3)4 + Pb(Cl)3 =>
AlCl3 + Pb(NO3)4 = Al(NO3)4 + Pb(Cl)3
Cr(OH)2 = CrO + H2O =>
Cr(OH)2 = CrO + H2O
KBr + NaOH = NaBr + KOH =>
KBr + NaOH = NaBr + KOH
I2 + Na2SO3 + NaOH = NaI + Na2SO4 + H2O =>
I2 + Na2SO3 + 2 NaOH = 2 NaI + Na2SO4 + H2O
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