| 前日に均衡した方程式 |
2 Fe + 7 HNO3 = 2 Fe(NO3)3 + NH + 3 H2O
HF + NaOH = NaF + H2O =>
HF + NaOH = NaF + H2O
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
Fe2(SO4)3(s) = Fe(aq) + SO4(aq) =>
Fe2(SO4)3(s) = 2 Fe(aq) + 3 SO4(aq)
Ca(H2Po4)2 + Ca(OH)2 = Ca3(Po4)2 + H2O =>
Ca(H2Po4)2 + 2 Ca(OH)2 = Ca3(Po4)2 + 4 H2O
C2H6(l) + O2 = CO2(g) + H2O(g) =>
2 C2H6(l) + 7 O2 = 4 CO2(g) + 6 H2O(g)
CuCl2 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + KCl =>
2 CuCl2 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 4 KCl
(COONa)2 + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Na2SO4 + Cr2(SO4)3 + H2O =>
3(COONa)2 + K2Cr2O7 + 7 H2SO4 = 6 CO2 + K2SO4 + 3 Na2SO4 + Cr2(SO4)3 + 7 H2O
C3H6 + Cl2 = C3H5Cl3 + HCl =>
C3H6 + 2 Cl2 = C3H5Cl3 + HCl
Fe(OH)2 + FeSO4 + H2O = Fe(OH)3 + FeS =>
8 Fe(OH)2 + FeSO4 + 4 H2O = 8 Fe(OH)3 + FeS
Mg(HCO3)2 + Ca(HCO3)2 + Cl2 = Mg(OH)3 + CaCl2 + CO2 =>
2 Mg(HCO3)2 + Ca(HCO3)2 + Cl2 = 2 Mg(OH)3 + CaCl2 + 6 CO2
Al2(SO4)3 + NH4Cl = AlCl3 + H2SO4 + NH3 =>
Al2(SO4)3 + 6 NH4Cl = 2 AlCl3 + 3 H2SO4 + 6 NH3
NaCN + H2O = NaOH + HCN =>
NaCN + H2O = NaOH + HCN
WCl2 + H2O = WO3 + HCl + H2 =>
WCl2 + 3 H2O = WO3 + 2 HCl + 2 H2
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Rb + HBr = H + RbBr =>
Rb + HBr = H + RbBr
C4HOH + O2 = CO2 + H2O =>
C4HOH + 4 O2 = 4 CO2 + H2O
HClO4 + Mg(OH)2 = Mg(ClO4)2 + HOH =>
2 HClO4 + Mg(OH)2 = Mg(ClO4)2 + 2 HOH
HCl + MgNO3 = ClMg + HNO3 =>
HCl + MgNO3 = ClMg + HNO3
H2O2 + Ba(HSO3)2 = BaSO4 + H2SO4 + H2O =>
2 H2O2 + Ba(HSO3)2 = BaSO4 + H2SO4 + 2 H2O
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + CH3COOH =>
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + 2 CH3COOH
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
N2O5 + HNO3 = N2NO3 + HO5 =>
N2O5 + HNO3 = N2NO3 + HO5
Al + NaNO3 + H2O = Al(OH)4 + Na + NH3 =>
9 Al + 4 NaNO3 + 24 H2O = 9 Al(OH)4 + 4 Na + 4 NH3
K3[Co(NO2)6] + Cl + K = KNO2 + CoCl4 =>
K3[Co(NO2)6] + 4 Cl + 3 K = 6 KNO2 + CoCl4
MnO2 + CO2 = MnCO3 + O2 =>
2 MnO2 + 2 CO2 = 2 MnCO3 + O2
CH3NH3Cl + NaOH = CH3ONH4 + NaCl =>
CH3NH3Cl + NaOH = CH3ONH4 + NaCl
Rb + N3 = Rb3N =>
9 Rb + N3 = 3 Rb3N
Na3[Cr(OH)6] + Cl2 + NaOH = Na2CrO4 + NaCl + H2O =>
2 Na3[Cr(OH)6] + 3 Cl2 + 4 NaOH = 2 Na2CrO4 + 6 NaCl + 8 H2O
Al2(SO4)3(aq) + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3(aq) + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Al2O3 + Al(OH)3 = HAlO2 =>
Al2O3 + Al(OH)3 = 3 HAlO2
C8H7OCl + C4H11N = C12H17NO + HCl =>
C8H7OCl + C4H11N = C12H17NO + HCl
Rb3P = Rb + P =>
Rb3P = 3 Rb + P
C2H4NSCl + O2 = CO2 + H2O + NO + SO2 + Cl =>
2 C2H4NSCl + 9 O2 = 4 CO2 + 4 H2O + 2 NO + 2 SO2 + 2 Cl
Cr(NO3)3*9H2O + HCl = CrCl3 + HNO3 + H2O =>
Cr(NO3)3*9H2O + 3 HCl = CrCl3 + 3 HNO3 + 9 H2O
CaBr2(aq) + Na2CO3 = NaBr(aq) + CaCO3(s) =>
CaBr2(aq) + Na2CO3 = 2 NaBr(aq) + CaCO3(s)
SnCl2 + KOH + BiCl3 = K2SnO3 + Bi + KCl + H2O =>
3 SnCl2 + 18 KOH + 2 BiCl3 = 3 K2SnO3 + 2 Bi + 12 KCl + 9 H2O
Pb(NO3)2 + KSCN = Pb(SCN)2 + KNO3 =>
Pb(NO3)2 + 2 KSCN = Pb(SCN)2 + 2 KNO3
Al + HCl9 = AlCl3 + H2 =>
6 Al + 2 HCl9 = 6 AlCl3 + H2
HCl + KMnO4 + FeCl2 = MnCl2 + KCl + FeCl3 + H2O =>
8 HCl + KMnO4 + 5 FeCl2 = MnCl2 + KCl + 5 FeCl3 + 4 H2O
NO2 + H2O + O2 = HNO3 =>
4 NO2 + 2 H2O + O2 = 4 HNO3
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + CH3COOH =>
Pb(CH3COO)2 + H2O + CO2 = PbCO3 + 2 CH3COOH
Cu(NO3)2 + NaBH4 = Cu + NaNO3 + H2 + B2H6 =>
Cu(NO3)2 + 2 NaBH4 = Cu + 2 NaNO3 + H2 + B2H6
Br2(g) + BaI2(s) = BaBr(s) + I2(g) =>
Br2(g) + 2 BaI2(s) = 2 BaBr(s) + 2 I2(g)
ZnS + NO3{-} + H{+} = Zn{2+} + S + NO + H2O =>
3 ZnS + 2 NO3{-} + 8 H{+} = 3 Zn{2+} + 3 S + 2 NO + 4 H2O
MgO + HF = MgF2 + H2O =>
MgO + 2 HF = MgF2 + H2O
NaC3H5O3 + H2O = Na + C3H4O3 + H3O =>
NaC3H5O3 + H2O = Na + C3H4O3 + H3O
Pb(CH3COO)2 + K2(CrO4) = Pb(CrO4) + K(CH3COO) =>
Pb(CH3COO)2 + K2(CrO4) = Pb(CrO4) + 2 K(CH3COO)
SnCl2 + KOH + BiCl3 = K2SnO3 + Bi + KCl + H2O =>
3 SnCl2 + 18 KOH + 2 BiCl3 = 3 K2SnO3 + 2 Bi + 12 KCl + 9 H2O
Br2(g) + BaI2(s) = BaBr(s) + I2(g) =>
Br2(g) + 2 BaI2(s) = 2 BaBr(s) + 2 I2(g)
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