| 前日に均衡した方程式 |
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
HCl + Ac = AcCl + H2 =>
2 HCl + 2 Ac = 2 AcCl + H2
HBr(aq) + H2O(l) = Br(aq) + H3O(aq) =>
HBr(aq) + H2O(l) = Br(aq) + H3O(aq)
[CH3NH3]Cl + NaOH = CH3NH2 + NaCl + H2O =>
[CH3NH3]Cl + NaOH = CH3NH2 + NaCl + H2O
(NH4)2CO3 + NaOH = NH4OH + Na2CO3 =>
(NH4)2CO3 + 2 NaOH = 2 NH4OH + Na2CO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
K2HPO4 + NaOH = Na3PO4 + KOH + H2O =>
K2HPO4 + 3 NaOH = Na3PO4 + 2 KOH + H2O
MgSO4 + Na2CO3 = MgCO3 + Na2SO4 =>
MgSO4 + Na2CO3 = MgCO3 + Na2SO4
H3VO4 + Ca(OH)2 = H2O + Ca3(VO4)2 =>
2 H3VO4 + 3 Ca(OH)2 = 6 H2O + Ca3(VO4)2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Na2WO4 + H2S + HCl = W5O14 + NaCl + Na2SO4 + H2O =>
20 Na2WO4 + H2S + 38 HCl = 4 W5O14 + 38 NaCl + Na2SO4 + 20 H2O
K2S + PbCl2O6 = PbS + KClO3 =>
K2S + PbCl2O6 = PbS + 2 KClO3
H2Te + H2O2 = HTeO3 + H2O =>
2 H2Te + 7 H2O2 = 2 HTeO3 + 8 H2O
Pt(s) + MnBr2(aq) = Br + MnPt =>
Pt(s) + MnBr2(aq) = 2 Br + MnPt
Ba(OH)2 + Na2CO3 = NaOH + BaCO3 =>
Ba(OH)2 + Na2CO3 = 2 NaOH + BaCO3
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
Fe2(SO4)3 + Ba(oh)2 = BaSO4 + Fe(oh)3 =>
6 Fe2(SO4)3 + 9 Ba(oh)2 = 18 BaSO4 + 4 Fe(oh)3
KCl + H2O + K2CrO4 = KCrO2 + KClO + KOH =>
3 KCl + H2O + 2 K2CrO4 = 2 KCrO2 + 3 KClO + 2 KOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Al(ClO3)3 + NaOH = Al(OH)3 + NaClO3 =>
Al(ClO3)3 + 3 NaOH = Al(OH)3 + 3 NaClO3
CuS2O3 = Cu2S2O3 + S4O6 =>
4 CuS2O3 = 2 Cu2S2O3 + S4O6
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
IO3{-} + I{-} + H{+} + Cl{-} = ICl + H2O =>
IO3{-} + 2 I{-} + 6 H{+} + 3 Cl{-} = 3 ICl + 3 H2O
Na3AsO4 + Sn + HCl = As + NaCl + SnCl2 + H2O =>
2 Na3AsO4 + 5 Sn + 16 HCl = 2 As + 6 NaCl + 5 SnCl2 + 8 H2O
Br2 + H2O + {-} = BrO3{-} + H{-} =>
Br2 + 6 H2O + 14e = 2 BrO3{-} + 12 H{-}
Na3AsO4 + Sn + HCl = As + NaCl + SnCl2 + H2O =>
2 Na3AsO4 + 5 Sn + 16 HCl = 2 As + 6 NaCl + 5 SnCl2 + 8 H2O
Mg3N2(s) + H2O(i) = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O(i) = 3 Mg(OH)2(s) + 2 NH3(g)
CaCl2NaCl = CaNaClCl2 =>
CaCl2NaCl = CaNaClCl2
SiO + C = SiC + CO2 =>
2 SiO + 3 C = 2 SiC + CO2
Li2SiO3 = SiO2 + Li2O =>
Li2SiO3 = SiO2 + Li2O
Mn3O4 + KClO3 + K2CO3 = K2MnO4 + KCl + CO2 =>
3 Mn3O4 + 5 KClO3 + 9 K2CO3 = 9 K2MnO4 + 5 KCl + 9 CO2
KAI(OH)4 + H2SO4 = K2SO4 + H2O + AI(OH)3 =>
2 KAI(OH)4 + H2SO4 = K2SO4 + 2 H2O + 2 AI(OH)3
Ca(NO3)2(aq) + H3PO4(aq) = HNO3(aq) + Ca3(PO4)2 =>
3 Ca(NO3)2(aq) + 2 H3PO4(aq) = 6 HNO3(aq) + Ca3(PO4)2
H + VO3 = V3 + H2O =>
18 H + 3 VO3 = V3 + 9 H2O
Cr2O7{-2} + S{-2} + H{+} = Cr{+3} + S + H2O =>
Cr2O7{-2} + 3 S{-2} + 14 H{+} = 2 Cr{+3} + 3 S + 7 H2O
FeCI2 + Na2CO3 = FeCO3 + Na2CI2 =>
FeCI2 + Na2CO3 = FeCO3 + Na2CI2
C5H5CH3 + KMnO4 + H2SO4 = C6H5COOH + K2SO4 + MnSO4 + H2O =>
35 C5H5CH3 + 44 KMnO4 + 66 H2SO4 = 30 C6H5COOH + 22 K2SO4 + 44 MnSO4 + 116 H2O
C3H6O3 + KMnO4 = C3H4O3 + MnO2 + KOH + H2O =>
3 C3H6O3 + 2 KMnO4 = 3 C3H4O3 + 2 MnO2 + 2 KOH + 2 H2O
Ca(CH3COO)2 + H2O = CH3COOH + Ca + OH =>
Ca(CH3COO)2 + 2 H2O = 2 CH3COOH + Ca + 2 OH
H2NCH2COOH + O = N2 + CO2 + H2O =>
2 H2NCH2COOH + 9 O = N2 + 4 CO2 + 5 H2O
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Cu(s) + H2SO4(s) = Cu(SO4)2(aq) + SO2(g) + H2O(l) =>
Cu(s) + 4 H2SO4(s) = Cu(SO4)2(aq) + 2 SO2(g) + 4 H2O(l)
Cr + HBr = CrBr3 + H2 =>
2 Cr + 6 HBr = 2 CrBr3 + 3 H2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Ag + Fe(OH)2 = Fe + AgOH =>
2 Ag + Fe(OH)2 = Fe + 2 AgOH
C9H14 + KMnO4 + H2SO4 = C9H10O4 + K2SO4 + H2O + MnSO4 =>
5 C9H14 + 12 KMnO4 + 18 H2SO4 = 5 C9H10O4 + 6 K2SO4 + 28 H2O + 12 MnSO4
I2 + OH{-} = I{-} + IO3{-} + H2O =>
3 I2 + 6 OH{-} = 5 I{-} + IO3{-} + 3 H2O
Fe{3+} + PO4{3-} = Fe + (PO4)2 =>
2 Fe{3+} + 2 PO4{3-} = 2 Fe + (PO4)2
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方程式のバランス10/19/24
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