| 前日に均衡した方程式 |
2 CrCl3 + 3 NaOH = Cr2O3 + 3 HCl + 3 NaCl
NaOCl + HClO = OCl2 + NaOH =>
NaOCl + HClO = OCl2 + NaOH
Cu(NO3)2 + K2S = CuS + K(NO3) =>
Cu(NO3)2 + K2S = CuS + 2 K(NO3)
C3H7OH + HCl = C3H7Cl + H2O =>
C3H7OH + HCl = C3H7Cl + H2O
Cr + H2O + ClO4{-} = Cr2O7{-2} + Cl2 + H{+} =>
14 Cr + H2O + 12 ClO4{-} = 7 Cr2O7{-2} + 6 Cl2 + 2 H{+}
FeCl2 + Al = Fe + AlCl3 =>
3 FeCl2 + 2 Al = 3 Fe + 2 AlCl3
Co(NO3)2 = Co2O3 + NO + O2 =>
4 Co(NO3)2 = 2 Co2O3 + 8 NO + 5 O2
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
H2S + FeCl2 = FeS + HCl =>
H2S + FeCl2 = FeS + 2 HCl
HBr + FeO = FeBr2 + H2O =>
2 HBr + FeO = FeBr2 + H2O
HI(g) = H2(g) + I2(g) =>
2 HI(g) = H2(g) + I2(g)
NaOCl + HClO = OCl2 + NaOH =>
NaOCl + HClO = OCl2 + NaOH
Co(NO3)3 + Pb(NO3)2 = Co(NO3)2 + Pb(NO3)3 =>
Co(NO3)3 + Pb(NO3)2 = Co(NO3)2 + Pb(NO3)3
Pb(ClO3)2 + K2SO4 = PbSO4 + KClO3 =>
Pb(ClO3)2 + K2SO4 = PbSO4 + 2 KClO3
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH4 + NaMnO4 + H2SO4 = C2H4O2 + Na2SO4 + MnSO4 + H2O =>
10 CH4 + 8 NaMnO4 + 12 H2SO4 = 5 C2H4O2 + 4 Na2SO4 + 8 MnSO4 + 22 H2O
(NH4)2SO3 = NH3 + SO2 + H2O =>
(NH4)2SO3 = 2 NH3 + SO2 + H2O
K2 + ZnO = K2O + Zn =>
K2 + ZnO = K2O + Zn
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Ni(NH3)6 = Ni + (NH3)6 =>
Ni(NH3)6 = Ni + (NH3)6
NH4Cl + Cu(OH)2 = NH4OH + CuCl2 =>
2 NH4Cl + Cu(OH)2 = 2 NH4OH + CuCl2
Fe2(SO4)3 + Pb(ClO3)2 = Fe(ClO3)3 + PbSO4 =>
Fe2(SO4)3 + 3 Pb(ClO3)2 = 2 Fe(ClO3)3 + 3 PbSO4
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Zn(NO3)2 + FeSO4 + H2SO4 = Fe2(SO4)3 + NO + ZnSO4 + H2O =>
Zn(NO3)2 + 6 FeSO4 + 4 H2SO4 = 3 Fe2(SO4)3 + 2 NO + ZnSO4 + 4 H2O
CaCl2(s) + H3PO4(aq) = Ca3(PO4)2(s) + HCl(aq) =>
3 CaCl2(s) + 2 H3PO4(aq) = Ca3(PO4)2(s) + 6 HCl(aq)
Pb(ClO3)2 + KI = PbI2 + KClO3 =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 KClO3
Fe(s) + Cl2(g) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)
CaSO4 + AlP = Ca3P2 + Al2(SO4)3 =>
3 CaSO4 + 2 AlP = Ca3P2 + Al2(SO4)3
Cu(OH)2 = CuO(s) + H2O(l) =>
Cu(OH)2 = CuO(s) + H2O(l)
Ca(H2PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca(H2PO4)2 + H2SO4 = CaSO4 + 2 H3PO4
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
Fe(s) + S(s) = Fe2S3(s) =>
2 Fe(s) + 3 S(s) = Fe2S3(s)
Rh + Cl2 + NaCl = Na3[RhCl6] =>
2 Rh + 3 Cl2 + 6 NaCl = 2 Na3[RhCl6]
BaO + CrO2 = BaCrO3 =>
BaO + CrO2 = BaCrO3
Mg(NO3)2(aq) + NaOH(aq) = Mg(OH)2 + Na(NO3)2 + Mg =>
2 Mg(NO3)2(aq) + 2 NaOH(aq) = Mg(OH)2 + 2 Na(NO3)2 + Mg
Fe(s) + H2O(g) = Fe3O4(s) + H2(g) =>
3 Fe(s) + 4 H2O(g) = Fe3O4(s) + 4 H2(g)
Na2CO3 + HCl = H2CO3 + NaCl = H2O =>
Na2CO3 + 2 HCl = H2CO3 + 2 NaCl
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
OH{-} + Cr + ClO4{-} = CrO2{-} + ClO3{-} + H2O =>
2 OH{-} + 2 Cr + 3 ClO4{-} = 2 CrO2{-} + 3 ClO3{-} + H2O
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
H2N + O2 = NO + H2O =>
H2N + O2 = NO + H2O
K2SO4 + Ba(NO3)2 = KNO3 + Ba2(SO4)2 =>
2 K2SO4 + 2 Ba(NO3)2 = 4 KNO3 + Ba2(SO4)2
Fe[OH]2 + HCl = FeCl2 + H2O =>
Fe[OH]2 + 2 HCl = FeCl2 + 2 H2O
CuSO4 + KOH = Cu(OH)2 + K2SO4 =>
CuSO4 + 2 KOH = Cu(OH)2 + K2SO4
Pb(NO3)2 + HCl = PbCl2 + H2(NO3)2 =>
Pb(NO3)2 + 2 HCl = PbCl2 + H2(NO3)2
CaSO4(s) = CaO(s) + SO3(g) =>
CaSO4(s) = CaO(s) + SO3(g)
K4[Fe(CN)6] = KCN + FeC2 + N2 =>
K4[Fe(CN)6] = 4 KCN + FeC2 + N2
NaOH + C20H14O4 = NaH14O4 + C20OH =>
NaOH + C20H14O4 = NaH14O4 + C20OH
Pb(ClO3)2 + KI = PbI2 + KClO3 =>
Pb(ClO3)2 + 2 KI = PbI2 + 2 KClO3
Cl + HBr = ClBr + H =>
Cl + HBr = ClBr + H
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方程式のバランス10/21/24
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