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*2Na + 2 Cl2 = 2 NaCl2
H2SO4 + NaOH = H6O3 + Na2SO4 =>
3 H2SO4 + 6 NaOH = 2 H6O3 + 3 Na2SO4
H2O(l) + POBr3(l) = H3PO4(l) + HBr(g) =>
3 H2O(l) + POBr3(l) = H3PO4(l) + 3 HBr(g)
Si + Mg = Mg2Si4 =>
4 Si + 2 Mg = Mg2Si4
Cl3Fe + NH4OH = Fe(OH)3 + NH4Cl =>
Cl3Fe + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
Fe(OH)3 + NaCH3COO = Fe(CH3COO)3 + NaOH =>
Fe(OH)3 + 3 NaCH3COO = Fe(CH3COO)3 + 3 NaOH
Ca(C2H3O2)2 = Ca + CH3COO =>
Ca(C2H3O2)2 = Ca + 2 CH3COO
CaCO3 + FeCl2 = CaCl2 + FeCO3 =>
CaCO3 + FeCl2 = CaCl2 + FeCO3
Na + O2 = Na2O2 =>
2 Na + O2 = Na2O2
Sn4{+} + Mn = Mn2{+} + Sn =>
Sn4{+} + 2 Mn = Mn2{+} + 4 Sn
Al(s) + HNO3(aq) = Al(NO3)3(aq) + N2O(l) + H2O =>
8 Al(s) + 30 HNO3(aq) = 8 Al(NO3)3(aq) + 3 N2O(l) + 15 H2O
Sn + Na3N = Na + Sn3N2 =>
3 Sn + 2 Na3N = 6 Na + Sn3N2
Y2O3 + Ba(OH)2 + CuO + O2 = YBa2Cu3O7 + H2O =>
2 Y2O3 + 8 Ba(OH)2 + 12 CuO + O2 = 4 YBa2Cu3O7 + 8 H2O
NaNO3 + ()PbO = Pb(NO3)2 + Na2O =>
2 NaNO3 + ()PbO = Pb(NO3)2 + Na2O
CuI + K2CO3 = KI + Cu2O + CO2 =>
2 CuI + K2CO3 = 2 KI + Cu2O + CO2
HCl(aq) + H2O2(aq) = Cl2(aq) + H2O(l) =>
2 HCl(aq) + H2O2(aq) = Cl2(aq) + 2 H2O(l)
M + OH = M2O3 + H2 =>
4 M + 6 OH = 2 M2O3 + 3 H2
Mg(OH)2 + H{+} = MgOH{+} + H2O =>
Mg(OH)2 + H{+} = MgOH{+} + H2O
Ca + HNO3 = HN3 + Ca(NO3)2 + H2O =>
8 Ca + 19 HNO3 = HN3 + 8 Ca(NO3)2 + 9 H2O
SrCl2 + AgNO3 = Sr(NO3)2 + AgCl =>
SrCl2 + 2 AgNO3 = Sr(NO3)2 + 2 AgCl
Au + NaBr = NaBrAu =>
Au + NaBr = NaBrAu
N2O + NaClO + NaOH = NaCl + NaNO2 + H2O =>
N2O + 2 NaClO + 2 NaOH = 2 NaCl + 2 NaNO2 + H2O
NdCl3 + H2C2O4 = Nd2(C2O4)3 + HCl =>
2 NdCl3 + 3 H2C2O4 = Nd2(C2O4)3 + 6 HCl
AI + N2 = AIN =>
2 AI + N2 = 2 AIN
Ca(NO3)2 + (NH4)HPO4 + NH3 + H2O = Ca10(PO4)6(OH)2 + NH4NO3 =>
40 Ca(NO3)2 + 24(NH4)HPO4 + 62 NH3 + 17 H2O = 4 Ca10(PO4)6(OH)2 + 83 NH4NO3
FeCl3 + H2S = FeS + H2Cl3 =>
FeCl3 + H2S = FeS + H2Cl3
NaHCOO + H2O = Na{+} + OH{-} + HCOOH =>
NaHCOO + H2O = Na{+} + OH{-} + HCOOH
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
Pb + KI = PbI + K =>
Pb + KI = PbI + K
Sr + H2O = H2 + Sr(OH)2 =>
Sr + 2 H2O = H2 + Sr(OH)2
CH2CH2 + Br2 = CH2(Br)CH2(Br) =>
CH2CH2 + Br2 = CH2(Br)CH2(Br)
FeO + O2 = Fe3O4 =>
6 FeO + O2 = 2 Fe3O4
Cr2O3 + H2MnO4 = Cr2(MnO4)3 + H2O =>
Cr2O3 + 3 H2MnO4 = Cr2(MnO4)3 + 3 H2O
Ca + NaOH = NaCaOH =>
Ca + NaOH = NaCaOH
AgO + NH4OH + NH4NO3 = AgN3H6O3 + H2O =>
8 AgO + 10 NH4OH + 7 NH4NO3 = 8 AgN3H6O3 + 15 H2O
N2O + NaClO + NaOH = NaCl + NaNO2 + H2O =>
N2O + 2 NaClO + 2 NaOH = 2 NaCl + 2 NaNO2 + H2O
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
NH23 + O2 = NO + H2O =>
4 NH23 + 25 O2 = 4 NO + 46 H2O
Ca(C2H3O2)2 = Ca + CH3COO =>
Ca(C2H3O2)2 = Ca + 2 CH3COO
CdS + I2 + HCl = HI + S + CdCl2 =>
CdS + I2 + 2 HCl = 2 HI + S + CdCl2
*2Na + Cl2 = NaCl2 =>
*2Na + 2 Cl2 = 2 NaCl2
Ca(C2H3O2)2 = Ca + CH3COO =>
Ca(C2H3O2)2 = Ca + 2 CH3COO
N + O = NO3 =>
N + 3 O = NO3
(NH4)2S + I = NH4I + S =>
(NH4)2S + 2 I = 2 NH4I + S
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Rb + Zn3P2 = Zn + Rb3P =>
6 Rb + Zn3P2 = 3 Zn + 2 Rb3P
*2Na + Cl2 = NaCl2 =>
*2Na + 2 Cl2 = 2 NaCl2
MnO2 + HOOCCOOH + H2SO4 = MnSO4 + CO2 + H2O =>
MnO2 + HOOCCOOH + H2SO4 = MnSO4 + 2 CO2 + 2 H2O
CUI + H2O2 + KOH = CU(OH)2 + KIO3 + H2O =>
2 CUI + 7 H2O2 + 2 KOH = 2 CU(OH)2 + 2 KIO3 + 6 H2O
Si + Mg = Mg2Si4 =>
4 Si + 2 Mg = Mg2Si4
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方程式のバランス10/19/24
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