| 前日に均衡した方程式 |
2 Pb + Ba(NO3)2 = 2 PbNO3 + Ba
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
Cu(NO3)Na2S = CuSNa2(NO3) =>
Cu(NO3)Na2S = CuSNa2(NO3)
HF + Rb2CO3 = RbF + CO2 + H2O =>
2 HF + Rb2CO3 = 2 RbF + CO2 + H2O
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
Cr(OH)3 + O2{2-} + H2O = CrO42{-} + OH{-} =>
Cr(OH)3 + 40 O2{2-} + 38 H2O = CrO42{-} + 79 OH{-}
NH4Cl + Zn(OH)2 = ZnCl2 + NH3 + H2O =>
2 NH4Cl + Zn(OH)2 = ZnCl2 + 2 NH3 + 2 H2O
NO2{-} + Zn + OH{-} = NH3 + ZnO2{-2} + H2O =>
NO2{-} + 3 Zn + 5 OH{-} = NH3 + 3 ZnO2{-2} + H2O
SeO3 + H2O = H2Se3 + OH =>
3 SeO3 + 11 H2O = H2Se3 + 20 OH
Al(OH)3 + H2SeO2 = Al2(SeO2)3 + H2O =>
2 Al(OH)3 + 3 H2SeO2 = Al2(SeO2)3 + 6 H2O
Br2 + K2S = KBr + S8 =>
8 Br2 + 8 K2S = 16 KBr + S8
Fe3 + S = FeS =>
Fe3 + 3 S = 3 FeS
Li2CO3 + H3PO4 + Fe2O3 = Li3Fe2(PO4)3 + H2O + CO2 =>
3 Li2CO3 + 6 H3PO4 + 2 Fe2O3 = 2 Li3Fe2(PO4)3 + 9 H2O + 3 CO2
MnO2(s) + HCl(ac) = MnCl2 + H2O + Cl2(g) =>
MnO2(s) + 4 HCl(ac) = MnCl2 + 2 H2O + Cl2(g)
I3 + KBr = IBr + K =>
I3 + 3 KBr = 3 IBr + 3 K
Cl2 + BaBr2 = Br2 + BaCl2 =>
Cl2 + BaBr2 = Br2 + BaCl2
K2Cr2O7 + H2S + HCl = CrCl3 + SO2 + KCl + H2O =>
K2Cr2O7 + H2S + 8 HCl = 2 CrCl3 + SO2 + 2 KCl + 5 H2O
Sb2S3 + H2O2 + NH4OH = (NH4)3SbO4 + (NH4)SO4 + H2O =>
2 Sb2S3 + 31 H2O2 + 18 NH4OH = 4(NH4)3SbO4 + 6(NH4)SO4 + 40 H2O
(NH4)2SO4 + Mg(NO2)2 = MgSO4 + (NH4)2(NO2)2 =>
(NH4)2SO4 + Mg(NO2)2 = MgSO4 + (NH4)2(NO2)2
TiO2 + C = Ti + CO =>
TiO2 + 2 C = Ti + 2 CO
NaI(aq) + Pb(SO4)2(aq) = PbI4(s) + Na2SO4(aq) =>
4 NaI(aq) + Pb(SO4)2(aq) = PbI4(s) + 2 Na2SO4(aq)
Na2(O) + P4O10 = Na3PO4 =>
6 Na2(O) + P4O10 = 4 Na3PO4
K2Cr2O7 + H2SO4 + C2H5OH = CH3COH + K2SO4 + Cr2(SO4)2 + H2O =>
K2Cr2O7 + 3 H2SO4 + 4 C2H5OH = 4 CH3COH + K2SO4 + Cr2(SO4)2 + 7 H2O
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
(C3H5)(NO3)3 = N2 + O2 + H2O + C2O =>
2(C3H5)(NO3)3 = 3 N2 + 5 O2 + 5 H2O + 3 C2O
CoI2 + Ra(NO3)2 = RaI2 + Co(NO3)2 =>
CoI2 + Ra(NO3)2 = RaI2 + Co(NO3)2
KMnO4 + H2SO4 = H2O + K2SO4 + Mn2O7 =>
2 KMnO4 + H2SO4 = H2O + K2SO4 + Mn2O7
Ra(NO3)2 + H2 = HNO3 + Ra =>
Ra(NO3)2 + H2 = 2 HNO3 + Ra
Fe(OH)2 + NaOH + O2 = Na2FeO4 + H2O =>
Fe(OH)2 + 2 NaOH + O2 = Na2FeO4 + 2 H2O
ZnSO4 + KOH = KSO4 + ZnOH =>
ZnSO4 + KOH = KSO4 + ZnOH
LiNO3 + Ca(OH)2 = Li(OH) + Ca(NO3)2 =>
2 LiNO3 + Ca(OH)2 = 2 Li(OH) + Ca(NO3)2
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
CaC2 + C2H3Cl + Cu = CaCl2 + Cu2C2 + H2 =>
CaC2 + 2 C2H3Cl + 6 Cu = CaCl2 + 3 Cu2C2 + 3 H2
Na + C = Na4C =>
4 Na + C = Na4C
H2O + CCl4 = H2Cl4 + CO =>
H2O + CCl4 = H2Cl4 + CO
CH4(g) + Cl2(g) = CHCl3(l) + HCl(g) =>
CH4(g) + 3 Cl2(g) = CHCl3(l) + 3 HCl(g)
CuO(s)H2SO4(aq) = CuSO4(aq)H2O =>
CuO(s)H2SO4(aq) = CuSO4(aq)H2O
CH4N2O + HOCl = CH4N2Cl2 + O2 + H2O =>
CH4N2O + 2 HOCl = CH4N2Cl2 + O2 + H2O
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
C6H12N4 + NO2NO3 = CO2 + H2O + N2 =>
5 C6H12N4 + 18 NO2NO3 = 30 CO2 + 30 H2O + 28 N2
K2S + HgCl2 = K2Cl2 + SHg =>
K2S + HgCl2 = K2Cl2 + SHg
Fe + Hg2{+} = Fe2{+} + Hg =>
2 Fe + Hg2{+} = Fe2{+} + 2 Hg
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
Na2(CO3) + H(NO3) = Na2(NO3) + H(CO3) =>
Na2(CO3) + H(NO3) = Na2(NO3) + H(CO3)
AI + CI2 = AI2 + CI =>
AI + CI2 = AI2 + CI
As2O3 + KI + HCl = AsI3 + KCl + H2O =>
As2O3 + 6 KI + 6 HCl = 2 AsI3 + 6 KCl + 3 H2O
NaOH + H3BO3 + H2O = Na2[B4O5(OH)4]*8H2O =>
2 NaOH + 4 H3BO3 + 3 H2O = Na2[B4O5(OH)4]*8H2O
Na + C = Na2C3 =>
2 Na + 3 C = Na2C3
I2 + NaCI = ICI + Na =>
I2 + 2 NaCI = 2 ICI + 2 Na
Sn(s) + Zn(NO3)2(aq) = Sn(NO3)4(aq) + Zn(s) =>
Sn(s) + 2 Zn(NO3)2(aq) = Sn(NO3)4(aq) + 2 Zn(s)
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