| 前日に均衡した方程式 |
PBO + 2 HNO3 = PB(NO3)2 + H2O
H2SeO4 + KOH = K2(SeO4)1 + H2O =>
H2SeO4 + 2 KOH = K2(SeO4)1 + 2 H2O
Pb3O4 + HNO3 = Pb(NO3)2 + PbO2 + H2O =>
Pb3O4 + 4 HNO3 = 2 Pb(NO3)2 + PbO2 + 2 H2O
P2O5 + Li2O = Li5P + O2 =>
P2O5 + 5 Li2O = 2 Li5P + 5 O2
(NH2)2CO + Ca(OH)2 = NH3 + H2O + Ca(CNO)2 =>
2(NH2)2CO + Ca(OH)2 = 2 NH3 + 2 H2O + Ca(CNO)2
Mn + HCl = MnCl2 + H2 =>
Mn + 2 HCl = MnCl2 + H2
Mg + C = MgC2 =>
Mg + 2 C = MgC2
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
H2 + V2O5 = V + H2O =>
5 H2 + V2O5 = 2 V + 5 H2O
(HO) + KI = KI(OH) =>
(HO) + KI = KI(OH)
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
FeCl2 + NH3 = Fe3N2 + HCl =>
3 FeCl2 + 2 NH3 = Fe3N2 + 6 HCl
Zn(NO3)2 + Na2CO3 = ZnCO3 + NaNO3 =>
Zn(NO3)2 + Na2CO3 = ZnCO3 + 2 NaNO3
[Ag(NH3)2]Cl(aq) + HNO3(aq) = NH4NO3(aq) + AgCl(s) =>
[Ag(NH3)2]Cl(aq) + 2 HNO3(aq) = 2 NH4NO3(aq) + AgCl(s)
KI + Br = KBr + I =>
KI + Br = KBr + I
KBr + I2 = KI + Br2 =>
2 KBr + I2 = 2 KI + Br2
Na2SiO3 + BaCl2 = BaSiO3 + NaCl =>
Na2SiO3 + BaCl2 = BaSiO3 + 2 NaCl
Zn + OH{-} + H2O = Zn(OH)4{-2} + H2 =>
Zn + 2 OH{-} + 2 H2O = Zn(OH)4{-2} + H2
H3PO4 + KOH = K3PO4 + H2O =>
H3PO4 + 3 KOH = K3PO4 + 3 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
HCl + Zn = ZnCl2 + H(g) =>
2 HCl + Zn = ZnCl2 + 2 H(g)
Cu3N + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu3N + 26 HNO3 = 9 Cu(NO3)2 + 11 NO + 13 H2O
C8H8O + C6H11ClO2 + KOH = C14H18O3 + KCl + H2O =>
C8H8O + C6H11ClO2 + KOH = C14H18O3 + KCl + H2O
NH4I(aq) + NaOH(aq) = NaI(aq) + NH3(g) + H2O(l) =>
NH4I(aq) + NaOH(aq) = NaI(aq) + NH3(g) + H2O(l)
Al + (H2O) = AlOH + H2 =>
2 Al + 2(H2O) = 2 AlOH + H2
(NH4)2CO3 + BaCl2 = NH4Cl + BaCO3 =>
(NH4)2CO3 + BaCl2 = 2 NH4Cl + BaCO3
K3PO4 + AgNO3 = Ag3PO4 + KNO3 =>
K3PO4 + 3 AgNO3 = Ag3PO4 + 3 KNO3
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
HCl + As2O3 + NaNO3 + H2O = NO + H3AsO4 + NaCl =>
4 HCl + 3 As2O3 + 4 NaNO3 + 7 H2O = 4 NO + 6 H3AsO4 + 4 NaCl
C6H6O + HNO3 = C6H3N3O7 + H2O =>
C6H6O + 3 HNO3 = C6H3N3O7 + 3 H2O
Co(OH)4 + H2S = CoS2 + H2O =>
Co(OH)4 + 2 H2S = CoS2 + 4 H2O
Pb(NO3)2 + NaOH = Pb(OH)2 + NaNO3 =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 NaNO3
Fe + K3Fe(CN)6 = Fe3(Fe(CN)6)2 + K =>
3 Fe + 2 K3Fe(CN)6 = Fe3(Fe(CN)6)2 + 6 K
PhCH3 + KMnO4 + H2SO4 = PhCOOH + K2SO4 + MnSO4 + H2O =>
5 PhCH3 + 6 KMnO4 + 9 H2SO4 = 5 PhCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
IRON(III)TRICHLORIDE + COBALT(II)DICHLORIDE = IRON(III)DICHLORIDE + COBALT(II)TRICHLORIDE =>
IRON(III)TRICHLORIDE + COBALT(II)DICHLORIDE = IRON(III)DICHLORIDE + COBALT(II)TRICHLORIDE
K2(CO3) + Ba(OH)2 = Ba(CO3) + K(OH) =>
K2(CO3) + Ba(OH)2 = Ba(CO3) + 2 K(OH)
HNO2 = HNO3 + NO + H2O =>
3 HNO2 = HNO3 + 2 NO + H2O
KMnO4 + HClO + H2O = MnO2 + HClO4 + KOH =>
2 KMnO4 + HClO + H2O = 2 MnO2 + HClO4 + 2 KOH
MgCO3(s) = MgO(s) + CO2 =>
MgCO3(s) = MgO(s) + CO2
Na2CO3 + Fe(Cl3) = Na2(Cl3) + CO3Fe =>
Na2CO3 + Fe(Cl3) = Na2(Cl3) + CO3Fe
HMnO4 + SO2 + H2O = MnO2 + H2SO4 =>
2 HMnO4 + 3 SO2 + 2 H2O = 2 MnO2 + 3 H2SO4
Ni2S3 + KI = Ni2I3 + KS =>
Ni2S3 + 3 KI = Ni2I3 + 3 KS
sodiumhydrogencarbonate = water + carbondioxide + sodiumcarbonate =>
2 NaHCO3 = H2O + CO2 + Na2CO3
C6H12O6 = C + H12O6 =>
C6H12O6 = 6 C + H12O6
H3PO4 + NaOH = NaH2PO4 + H2O =>
H3PO4 + NaOH = NaH2PO4 + H2O
Al(OH)3 + H3(PO4) = H(OH) + Al(PO4) =>
Al(OH)3 + H3(PO4) = 3 H(OH) + Al(PO4)
HCH2CHCO2 + OH = C6H8O7 + H2O =>
2 HCH2CHCO2 + 6 OH = C6H8O7 + 3 H2O
Ni + CuSO4 = Cu + Ni2SO4 =>
2 Ni + CuSO4 = Cu + Ni2SO4
NH3 + H2O = NH4OH(unbalancedequation) =>
NH3 + H2O = NH4OH(unbalancedequation)
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