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2 Al2O3 + 4 H2O = 4 Al(OH)2 + O2
CrO2 + Al = Al2O3 + Cr =>
3 CrO2 + 4 Al = 2 Al2O3 + 3 Cr
CH3CH2CN + HCl + H2O = CH3CH2COOH + NH4Cl =>
CH3CH2CN + HCl + 2 H2O = CH3CH2COOH + NH4Cl
Sr(NO3)2(aq) + (NH4)2C2O4 = SrC2O4(s) + NH4NO3(aq) =>
Sr(NO3)2(aq) + (NH4)2C2O4 = SrC2O4(s) + 2 NH4NO3(aq)
Br(l) + Li(s) = LiBr(aq) =>
Br(l) + Li(s) = LiBr(aq)
Pb2S4 + O2 = Pb2O4 + SO =>
Pb2S4 + 4 O2 = Pb2O4 + 4 SO
(NH4)3SbS3 + HCl = SbS3 + HNH4Cl =>
(NH4)3SbS3 + 3 HCl = SbS3 + 3 HNH4Cl
HNO3(aq) + H2S(g) = NO(g) + H2O(g) + S(s) =>
2 HNO3(aq) + 3 H2S(g) = 2 NO(g) + 4 H2O(g) + 3 S(s)
K(s) + Br2(g) = KBr2 =>
K(s) + Br2(g) = KBr2
(NH4)2S(aq) + ZnCl2(aq) = NH4Cl(aq) + ZnS(s) =>
(NH4)2S(aq) + ZnCl2(aq) = 2 NH4Cl(aq) + ZnS(s)
Pb{2+} + NaOH = Pb(OH)2 + Na{+} =>
Pb{2+} + 2 NaOH = Pb(OH)2 + 2 Na{+}
ZnCl2 + Mn(PO4) = Zn3(PO4)2 + MnCl3 =>
3 ZnCl2 + 2 Mn(PO4) = Zn3(PO4)2 + 2 MnCl3
SiO3{2-} + H3O{+} = Si(OH)4 + H2O =>
SiO3{2-} + 2 H3O{+} = Si(OH)4 + H2O
Sn + Mo + S = SnMo6S8 =>
Sn + 6 Mo + 8 S = SnMo6S8
Mn2 + PbO2 = MnO4 + Pb =>
Mn2 + 4 PbO2 = 2 MnO4 + 4 Pb
As2O3 + HNO3 + H2O = NO2 + H3AsO4 =>
As2O3 + 4 HNO3 + H2O = 4 NO2 + 2 H3AsO4
KMnO4 + CH2CH2OH + NaOH = MnO2 + CH3COONa + H2O + K =>
3 KMnO4 + 4 CH2CH2OH + 4 NaOH = 3 MnO2 + 4 CH3COONa + 6 H2O + 3 K
U3Si2 + Fe = U3Fe2Si7 + U3Si =>
6 U3Si2 + 2 Fe = U3Fe2Si7 + 5 U3Si
PCl3 + AgF = PF3 + AgCl =>
PCl3 + 3 AgF = PF3 + 3 AgCl
K2Cr2O7(aq) + HCl(aq) = KCl + CrCl3(aq) + Cl2(g) + H2O(l) =>
K2Cr2O7(aq) + 14 HCl(aq) = 2 KCl + 2 CrCl3(aq) + 3 Cl2(g) + 7 H2O(l)
XCHCH3 + KMnO4 + H2SO4 = CO2 + XCOOH + K2SO4 + MnSO4 + H2O =>
10 XCHCH3 + 22 KMnO4 + 33 H2SO4 = 10 CO2 + 10 XCOOH + 11 K2SO4 + 22 MnSO4 + 48 H2O
NaPO4 + Fe(NO3)2 = NaNO3 + Fe(PO4)2 =>
2 NaPO4 + Fe(NO3)2 = 2 NaNO3 + Fe(PO4)2
Na2CO3 + Fe(NH4)2(SO4)2 = FeCO3 + Na2(SO4)2(NH4)2 =>
Na2CO3 + Fe(NH4)2(SO4)2 = FeCO3 + Na2(SO4)2(NH4)2
B5H9 + O2(g) = B2O3(s) + H2O(g) =>
2 B5H9 + 12 O2(g) = 5 B2O3(s) + 9 H2O(g)
NaNO3 + O2 = NaO + NO3 =>
2 NaNO3 + O2 = 2 NaO + 2 NO3
CaC2O4 + HCl = CaCl2 + H2C2O4 =>
CaC2O4 + 2 HCl = CaCl2 + H2C2O4
Mn(OH)2 + O2 = MnO3{2-} + H{+} =>
2 Mn(OH)2 + O2 = 2 MnO3{2-} + 4 H{+}
H2SO4 + Mg3(PO4)2 = H3PO4 + MgSO4 =>
3 H2SO4 + Mg3(PO4)2 = 2 H3PO4 + 3 MgSO4
ZnO + Cu(OH)2 = Zn(OH)2 + CuO =>
ZnO + Cu(OH)2 = Zn(OH)2 + CuO
K2Cr2O7 + C4H8 + H2SO4 = CH3COOH + K2SO4 + Cr2(SO4)3 + H2O =>
4 K2Cr2O7 + 3 C4H8 + 16 H2SO4 = 6 CH3COOH + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O
Mg(NO3)2(aq) + AgCl(s) = MgCl2(s) + AgNO3(aq) =>
Mg(NO3)2(aq) + 2 AgCl(s) = MgCl2(s) + 2 AgNO3(aq)
B(s) + NH3(g) = BN2(g) + H2(g) =>
B(s) + 2 NH3(g) = BN2(g) + 3 H2(g)
PbO2 + MnSO4 + HNO3 = HMnO4 + PbSO4 + Pb(NO3)3 + H2O =>
4 PbO2 + MnSO4 + 9 HNO3 = HMnO4 + PbSO4 + 3 Pb(NO3)3 + 4 H2O
Ba3(NO3)2 + Al2(SO4)3 = BaSO4 + AlNO3 =>
Ba3(NO3)2 + Al2(SO4)3 = 3 BaSO4 + 2 AlNO3
B4(O2)3 = B + O2 =>
B4(O2)3 = 4 B + 3 O2
PbI2(s) = Pb(aq) + I(aq) =>
PbI2(s) = Pb(aq) + 2 I(aq)
NaOH(s) + HCH3CO2(s) = Na2CO3 + OH2CH3 =>
12 NaOH(s) + 7 HCH3CO2(s) = 6 Na2CO3 + 8 OH2CH3
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
CH3CH2OH + HCl = CH3CH2OH{-} + HCl{+} =>
CH3CH2OH + HCl = CH3CH2OH{-} + HCl{+}
C13H16N2O2 + O2 = CO2 + H2O + NO2 =>
C13H16N2O2 + 18 O2 = 13 CO2 + 8 H2O + 2 NO2
Na3CO3 + H2SO4 = Na2SO4 + H3CO3 =>
2 Na3CO3 + 3 H2SO4 = 3 Na2SO4 + 2 H3CO3
Ba + H2SO4 = Ba2SO4 + H2 =>
2 Ba + H2SO4 = Ba2SO4 + H2
Na2S2O3 + O2 = NaO2 + SO2 =>
2 Na2S2O3 + 5 O2 = 4 NaO2 + 4 SO2
HCOOH + Mg = HCOOMg + H =>
HCOOH + Mg = HCOOMg + H
potassiumcarbonate + strontiumnitrate = potassiumnitrate + strontiumcarbonate =>
K2CO3 + Sr(NO3)2 = 2 KNO3 + SrCO3
CH4(g) + O2 = (g)CO2(g) + H2O(g) =>
CH4(g) + 2 O2 = (g)CO2(g) + 2 H2O(g)
(Ca2CO3) + HCl = (CO2) + (H2O) + (CaCl) =>
(Ca2CO3) + 2 HCl = (CO2) + (H2O) + 2(CaCl)
NaB(OH)4 + H2O = HB(OH)4 + NaOH =>
NaB(OH)4 + H2O = HB(OH)4 + NaOH
CaH2(s) + H2O(l) = Ca(OH)2(aq) + H2 =>
CaH2(s) + 2 H2O(l) = Ca(OH)2(aq) + 2 H2
SNO + KOH = K2SNO2 + H2O =>
SNO + 2 KOH = K2SNO2 + H2O
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균형 잡힌 방정식01/27/25
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