| 前日に均衡した方程式 |
Cr(OH)3 + 3 KOH = K3[Cr(OH)6]
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
Zn + O2 = Zn2{+} + O{-}2 =>
4 Zn + O2 = 2 Zn2{+} + 2 O{-}2
Ca + HCl = CaCl2 + H2 =>
Ca + 2 HCl = CaCl2 + H2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Ba(CN)2 + H2SO4 = BaSO4 + HCN =>
Ba(CN)2 + H2SO4 = BaSO4 + 2 HCN
Cu0 = Cu2 =>
2 Cu0 = Cu2
C7H8 + Br2 = C7H8Br2 =>
C7H8 + Br2 = C7H8Br2
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
PH3 + Cl2 = PCl3 + HCl =>
PH3 + 3 Cl2 = PCl3 + 3 HCl
CH + O2 = CO2 + H2O =>
4 CH + 5 O2 = 4 CO2 + 2 H2O
KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + KNO3(s) =>
3 KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + 3 KNO3(s)
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
CdCl2 + Na2S = CdS + Na2Cl2 =>
CdCl2 + Na2S = CdS + Na2Cl2
K2SO3 + H2O = KOH + H2SO3 =>
K2SO3 + 2 H2O = 2 KOH + H2SO3
KCl(ac) + AgNO3(ac) = KNO3(ac) + AgCl =>
KCl(ac) + AgNO3(ac) = KNO3(ac) + AgCl
Pt + HNO3 + HCl = PtCl2 + N2O + H2O =>
4 Pt + 2 HNO3 + 8 HCl = 4 PtCl2 + N2O + 5 H2O
I + Hg22 = Hg2I2(s) =>
22 I + Hg22 = 11 Hg2I2(s)
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
KHSO4(aq)KOH(aq) = K2SO4(aq)H2O(l) =>
KHSO4(aq)KOH(aq) = K2SO4(aq)H2O(l)
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
H3BO3 + Li2S = H2S + Li3BO3 =>
2 H3BO3 + 3 Li2S = 3 H2S + 2 Li3BO3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
HC2H3O2 + Na(CO3)2 = CO2 + H2O + Na =>
HC2H3O2 + 2 Na(CO3)2 = 6 CO2 + 2 H2O + 2 Na
CrO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + H2O =>
2 CrO3 + 6 FeSO4 + 6 H2SO4 = 3 Fe2(SO4)3 + Cr2(SO4)3 + 6 H2O
Cr + IO4{-} = CrO4 + I{-} =>
Cr + IO4{-} = CrO4 + I{-}
As(OH)3 + H2 = As + H2O =>
2 As(OH)3 + 3 H2 = 2 As + 6 H2O
Na3Po4 + Pb(NO3)2 = Pb3(Po4)2 + NaNO3 =>
2 Na3Po4 + 3 Pb(NO3)2 = Pb3(Po4)2 + 6 NaNO3
NaOH + AgNa = AgOH + Na =>
NaOH + AgNa = AgOH + 2 Na
Na2Co3(aq) + HCl(aq) = Na2Cl + Co3H =>
Na2Co3(aq) + HCl(aq) = Na2Cl + Co3H
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
FeS + BaSO4 = FeSO4 + BaS =>
FeS + BaSO4 = FeSO4 + BaS
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
C6H14 + NO3 = CO2 + N2 + H2O =>
6 C6H14 + 38 NO3 = 36 CO2 + 19 N2 + 42 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
SO2 + Li2Se = SSe2 + Li2O =>
SO2 + 2 Li2Se = SSe2 + 2 Li2O
NH4Cl + SrCO3 = SrCl2 + (NH4)2CO3 =>
2 NH4Cl + SrCO3 = SrCl2 + (NH4)2CO3
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
Pb + NH4OH = Pb(OH)2 + NH4 =>
Pb + 2 NH4OH = Pb(OH)2 + 2 NH4
CH3COOH + S2Cl2 = (CH3CO)2O + SO2 + S + HCl =>
4 CH3COOH + 2 S2Cl2 = 2(CH3CO)2O + SO2 + 3 S + 4 HCl
CrBr3 + Cl2 + KOH = K2CrO4 + KBr + KCl + H2O =>
2 CrBr3 + 3 Cl2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KCl + 8 H2O
CuO + H = Cu + H2O =>
CuO + 2 H = Cu + H2O
Zn + HNO3 = Zn(NO3)2 + H2 =>
Zn + 2 HNO3 = Zn(NO3)2 + H2
Al(HCO3)3 + HCl = AlCl3 + CO2 + H2O =>
Al(HCO3)3 + 3 HCl = AlCl3 + 3 CO2 + 3 H2O
Cl{-} + H2O = ClO3{-} + H2 =>
Cl{-} + 3 H2O = ClO3{-} + 3 H2
NH4Cl + BaCO3 = BaCl2 + (NH4)2CO3 =>
2 NH4Cl + BaCO3 = BaCl2 + (NH4)2CO3
Al + CuCl2 = AlCl3 + Cu =>
2 Al + 3 CuCl2 = 2 AlCl3 + 3 Cu
C4H10 + Cr2O7{2-} + H{+} = H6C4O4 + Cr{3+} + H2O =>
C4H10 + 2 Cr2O7{2-} + 16 H{+} = H6C4O4 + 4 Cr{3+} + 10 H2O
[Zn(OH)]2CO3 + H2SO4 = ZnSO4 + CO2 + H2O =>
[Zn(OH)]2CO3 + 2 H2SO4 = 2 ZnSO4 + CO2 + 3 H2O
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