| 前日に均衡した方程式 |
2 AgCH4COO + K2CrO4 = Ag2CrO4 + 2 KCH4COO
FeAl + HCl = H2 + FeCl2 + Al =>
FeAl + 2 HCl = H2 + FeCl2 + Al
Fe + K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + K =>
3 Fe + 2 K3(Fe(CN)6) = Fe3(Fe(CN)6)2 + 6 K
K3[Fe(CN)6] + K2CO3 = Fe2(CO3)3 + KCN =>
2 K3[Fe(CN)6] + 3 K2CO3 = Fe2(CO3)3 + 12 KCN
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
Cu + Fe(NO3)3 = Cu(NO3)2 + Fe =>
3 Cu + 2 Fe(NO3)3 = 3 Cu(NO3)2 + 2 Fe
KOH + HCl = KCl + H2O =>
KOH + HCl = KCl + H2O
Ag2O + HCl = H2O + AgCl =>
Ag2O + 2 HCl = H2O + 2 AgCl
CaCO3 + Mg(NO3)2 = Ca(NO3)2 + MgCO3 =>
CaCO3 + Mg(NO3)2 = Ca(NO3)2 + MgCO3
KNO3 + BeF2 = Be(NO3)2 + KF =>
2 KNO3 + BeF2 = Be(NO3)2 + 2 KF
Pt + H2 + Cl = H2Cl6Pt =>
Pt + H2 + 6 Cl = H2Cl6Pt
KHSO4 + HCl = KCl + SO3 + H2O =>
KHSO4 + HCl = KCl + SO3 + H2O
I2O5 + H2O = HI + O3 =>
I2O5 + H2O = 2 HI + 2 O3
(NH4)3PO4 = (NH4)2HPO4 + NH3 =>
(NH4)3PO4 = (NH4)2HPO4 + NH3
Li + Fe(OH)3 = LiOH + Fe =>
3 Li + Fe(OH)3 = 3 LiOH + Fe
Mn(OH)2 + H2CO3 = Mn2(CO3)2 + H2O =>
2 Mn(OH)2 + 2 H2CO3 = Mn2(CO3)2 + 4 H2O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
NH4SCN + CuO = Cu2(SCN)2 + NH4O =>
2 NH4SCN + 2 CuO = Cu2(SCN)2 + 2 NH4O
Ni(NO2)2 + O2 = Ni(NO3)2 =>
Ni(NO2)2 + O2 = Ni(NO3)2
MnBr2 = Mn + Br2 =>
MnBr2 = Mn + Br2
Fe(OH)2 + SO3 = FeSO4 + H2O =>
Fe(OH)2 + SO3 = FeSO4 + H2O
Pb + N2 = Pb3N4 =>
3 Pb + 2 N2 = Pb3N4
CH3COOH + CuSO4 = Cu(CH3COO)2 + H2SO4 =>
2 CH3COOH + CuSO4 = Cu(CH3COO)2 + H2SO4
Zn3As2 + HCl = H3As + ZnCl2 =>
Zn3As2 + 6 HCl = 2 H3As + 3 ZnCl2
C6H14 + O2 = CO2 + H14 =>
C6H14 + 6 O2 = 6 CO2 + H14
P4 + H2 = PH3 =>
P4 + 6 H2 = 4 PH3
Fe + H2SO3 = Fe2(SO3)2 + H2 =>
2 Fe + 2 H2SO3 = Fe2(SO3)2 + 2 H2
SrS + H2SO4 = H2S + SrSO4 =>
SrS + H2SO4 = H2S + SrSO4
NaHCO3 + HCl = NaHCO3HCl =>
NaHCO3 + HCl = NaHCO3HCl
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
K4[Fe(CN)6] + NiSO4 = Ni2[Fe(CN)6] + K2SO4 =>
K4[Fe(CN)6] + 2 NiSO4 = Ni2[Fe(CN)6] + 2 K2SO4
BaCl2 + Na2S = NaCl + BaS =>
BaCl2 + Na2S = 2 NaCl + BaS
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
Ni(NO3)2 + KI = KI(NO3) + Ni =>
Ni(NO3)2 + 2 KI = 2 KI(NO3) + Ni
NaOH + CuSO4 + C2H5OH = Cu2O + H2O + Na2SO4 + CH3COOH =>
8 NaOH + 4 CuSO4 + C2H5OH = 2 Cu2O + 5 H2O + 4 Na2SO4 + CH3COOH
Fe + H2SO3 = H2 + Fe2(SO3)3 =>
2 Fe + 3 H2SO3 = 3 H2 + Fe2(SO3)3
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
CuSO4 + NaOH + C2H5OH = Cu2O + Na2SO4 + C6H12O7 + H2O =>
14 CuSO4 + 28 NaOH + 3 C2H5OH = 7 Cu2O + 14 Na2SO4 + C6H12O7 + 17 H2O
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
Al(OH)3(s) + H2(SO4)(aq) = Al2(SO4)3(aq) + H2O(l) =>
2 Al(OH)3(s) + 3 H2(SO4)(aq) = Al2(SO4)3(aq) + 6 H2O(l)
SnCl2 + K2CrO4 + KOH + H2O = K2[Sn(OH)6] + K[Cr(OH)4] + KCl =>
3 SnCl2 + 2 K2CrO4 + 10 KOH + 8 H2O = 3 K2[Sn(OH)6] + 2 K[Cr(OH)4] + 6 KCl
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
Fe + H2SO3 = Fe2(SO3)2 + H2 =>
2 Fe + 2 H2SO3 = Fe2(SO3)2 + 2 H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
Na3PO4(ac) + Ba(NO3)2(ac) = Ba3(PO4)2(s) + NaNO3 =>
2 Na3PO4(ac) + 3 Ba(NO3)2(ac) = Ba3(PO4)2(s) + 6 NaNO3
Cu + H2SO4 = Cu2(SO4)3 + SO2 + H2O =>
2 Cu + 6 H2SO4 = Cu2(SO4)3 + 3 SO2 + 6 H2O
CH3COOH + CuSO4 = Cu(CH3COO)2 + H2SO4 =>
2 CH3COOH + CuSO4 = Cu(CH3COO)2 + H2SO4
B4O5(OH)4{2-} + H{+} + H2O = B(OH)3 =>
B4O5(OH)4{2-} + 2 H{+} + 3 H2O = 4 B(OH)3
ZnSO4 + Ca(OH)2 + H2O = ZnSO4*4Zn(OH)2 + CaSO4*2H2O =>
5 ZnSO4 + 4 Ca(OH)2 + 8 H2O = ZnSO4*4Zn(OH)2 + 4 CaSO4*2H2O
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方程式のバランス10/18/24
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