| 前日に均衡した方程式 |
CH4() + 2 O2() = CO2() + 2 H2O()
Mg + N2O = MgO + Mg3N2 =>
4 Mg + N2O = MgO + Mg3N2
Al2O3 + SO3 = Al2(SO4)3 =>
Al2O3 + 3 SO3 = Al2(SO4)3
H2(g) + S(s) + O2(g) = H2SO3(g) =>
2 H2(g) + 2 S(s) + 3 O2(g) = 2 H2SO3(g)
HCl + HIO3 = Cl2 + IOCl + H2O =>
3 HCl + HIO3 = Cl2 + IOCl + 2 H2O
Pb{2+} = Pb + Pb{4+} =>
2 Pb{2+} = Pb + Pb{4+}
Al2(SO4)3 + CaCl2 = AlCl3 + CaSO4 =>
Al2(SO4)3 + 3 CaCl2 = 2 AlCl3 + 3 CaSO4
Cu(s) + HNO3 = Cu(NO3)2(aq) + NO2(g) + H2O =>
Cu(s) + 4 HNO3 = Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O
Cu(OH)2 + NH3 = Cu(NH3)4(OH)2 =>
Cu(OH)2 + 4 NH3 = Cu(NH3)4(OH)2
MnO4{-} + HSO3{-} + OH{-} = MnO2 + SO4{2-} + H2O =>
2 MnO4{-} + 3 HSO3{-} + OH{-} = 2 MnO2 + 3 SO4{2-} + 2 H2O
MnCl2 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + NaCl + H2O =>
2 MnCl2 + 5 NaBiO3 + 16 HNO3 = 2 HMnO4 + 5 Bi(NO3)3 + NaNO3 + 4 NaCl + 7 H2O
HBr + HCl = H + BrCl =>
HBr + HCl = 2 H + BrCl
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
C9H8O4 + NaHCO3 = C9H7NaO4 + H2O + CO2 =>
C9H8O4 + NaHCO3 = C9H7NaO4 + H2O + CO2
NaH + CO3 = NaOH + CO2 =>
NaH + CO3 = NaOH + CO2
Fe + HNO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 HNO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
Li2O = Li + O2 =>
2 Li2O = 4 Li + O2
Zn(OH)2 + Na = Na(OH) + Zn =>
Zn(OH)2 + 2 Na = 2 Na(OH) + Zn
N2H4 + H2O2 = N2 + H2O =>
N2H4 + 2 H2O2 = N2 + 4 H2O
Ti + O2 = TiO2 =>
Ti + O2 = TiO2
Ti + O2 = Ti2O3 =>
4 Ti + 3 O2 = 2 Ti2O3
Sn(OH)2 + KOH = K2Sn(OH)4 =>
Sn(OH)2 + 2 KOH = K2Sn(OH)4
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH3CHO + Na = CH3CHONa =>
CH3CHO + Na = CH3CHONa
Ca(OH)2(aq) + HNO3(aq) = Ca(NO3)2(aq) + H2O(l) =>
Ca(OH)2(aq) + 2 HNO3(aq) = Ca(NO3)2(aq) + 2 H2O(l)
BaCl2 + Na2CO3 + H2O = BaCO3 + NaOH + HCl =>
BaCl2 + Na2CO3 + 2 H2O = BaCO3 + 2 NaOH + 2 HCl
FeS + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 FeS + 10 H2SO4 = Fe2(SO4)3 + 9 SO2 + 10 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
PbS + FeCl3 = PbCl + FeCl2 + S =>
PbS + FeCl3 = PbCl + FeCl2 + S
NaMnO4 + H2S + H2SO4 = MnSO4 + Na2SO4 + H2O =>
8 NaMnO4 + 5 H2S + 7 H2SO4 = 8 MnSO4 + 4 Na2SO4 + 12 H2O
C5H8 + H2O = C5H10O2 + H =>
C5H8 + 2 H2O = C5H10O2 + 2 H
ZnBr2 + NaOH = NaBr + Zn(OH)2 =>
ZnBr2 + 2 NaOH = 2 NaBr + Zn(OH)2
CCl4(l) + I2 = I2(CCl4) =>
CCl4(l) + I2 = I2(CCl4)
Mn + FeCl2 = MnCl3 + Fe =>
2 Mn + 3 FeCl2 = 2 MnCl3 + 3 Fe
FeOOH = Fe + O + H =>
FeOOH = Fe + 2 O + H
Cl2 + CrBr3 = Br2 + CrCl3 =>
3 Cl2 + 2 CrBr3 = 3 Br2 + 2 CrCl3
NO3{-} + C2H5OH = N2 + CO2 + H2O + OH{-} =>
12 NO3{-} + 5 C2H5OH = 6 N2 + 10 CO2 + 9 H2O + 12 OH{-}
Zn + CO2 = ZnCO2 =>
Zn + CO2 = ZnCO2
SiO2 + Na3FeF6 = Na2SiF6 + Fe2O3 + NaF =>
3 SiO2 + 4 Na3FeF6 = 3 Na2SiF6 + 2 Fe2O3 + 6 NaF
NH3 + HNO3 = NH4 + NO =>
9 NH3 + HNO3 = 7 NH4 + 3 NO
K2HPO4 + Ca(OH)2 = Ca3(PO4)2 + K3PO4 + H2O =>
6 K2HPO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 4 K3PO4 + 6 H2O
Ba + K2Cr2O7 = BaCr2O7 + K =>
Ba + K2Cr2O7 = BaCr2O7 + 2 K
Cu + Ag(NO3)3 = CuNO3 + Ag =>
3 Cu + Ag(NO3)3 = 3 CuNO3 + Ag
AgNO3 + BaCl2 = AgCl + Ba(NO3)2 =>
2 AgNO3 + BaCl2 = 2 AgCl + Ba(NO3)2
BaCI + Pb(NO3)2 = Ba(NO3)2 + PbCI =>
BaCI + Pb(NO3)2 = Ba(NO3)2 + PbCI
CH4 + Br2 = CH3Br + HBr2 =>
2 CH4 + 3 Br2 = 2 CH3Br + 2 HBr2
NiCl2(aq) + CuSO4(aq) = NiSO4(s) + CuCl2(aq) =>
NiCl2(aq) + CuSO4(aq) = NiSO4(s) + CuCl2(aq)
HOCl + H2O2 = H3O + OCl =>
4 HOCl + H2O2 = 2 H3O + 4 OCl
MnCl2 + NaBiO3 + HNO3 = HMnO4 + Bi(NO3)3 + NaNO3 + Cl2 + H2O =>
2 MnCl2 + 7 NaBiO3 + 28 HNO3 = 2 HMnO4 + 7 Bi(NO3)3 + 7 NaNO3 + 2 Cl2 + 13 H2O
C2H2 + KMnO4 = (COOK)2 + KOH + MnO2 + H2O =>
3 C2H2 + 8 KMnO4 = 3(COOK)2 + 2 KOH + 8 MnO2 + 2 H2O
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