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2 Pt + Cu(NO3)2 = 2 Pt(NO3) + Cu
C4H6O6 + NaHCO3 = NaC4H4O6 + CO2 + H2O =>
9 C4H6O6 + 10 NaHCO3 = 10 NaC4H4O6 + 6 CO2 + 12 H2O
Fe(s) + S(s) = Fe2S3(s) =>
2 Fe(s) + 3 S(s) = Fe2S3(s)
Cu(NO3)2 + Na2CrO4 = CuCrO4 + NaNO3 =>
Cu(NO3)2 + Na2CrO4 = CuCrO4 + 2 NaNO3
Pb(NO3)2 + (NH4)3PO4 = Pb3(PO4)2 + NH4NO3 =>
3 Pb(NO3)2 + 2(NH4)3PO4 = Pb3(PO4)2 + 6 NH4NO3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
CH4(g) + Cl2(g) = CCl4(l) + HCl(g) =>
CH4(g) + 4 Cl2(g) = CCl4(l) + 4 HCl(g)
C6H5COOCH3 + KOH = CH3OH + C6H5COOK =>
C6H5COOCH3 + KOH = CH3OH + C6H5COOK
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
KMnO4 + HBr = MnBr2 + KBr + H2O + Br2 =>
2 KMnO4 + 16 HBr = 2 MnBr2 + 2 KBr + 8 H2O + 5 Br2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Fe2O3(s) + CO(g) = Fe(l) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(l) + 3 CO2(g)
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
NaBH4 + O2 = NaBO2 + H2O =>
NaBH4 + 2 O2 = NaBO2 + 2 H2O
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
Sc + HI = ScI3 + H2 =>
2 Sc + 6 HI = 2 ScI3 + 3 H2
MgCl2 + HF = MgF2 + HCl =>
MgCl2 + 2 HF = MgF2 + 2 HCl
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Mg + NH4OH = Mg(OH)2 + NH4 =>
Mg + 2 NH4OH = Mg(OH)2 + 2 NH4
CH3NH2 + H2O = CH3NH3{+} + OH{-} =>
CH3NH2 + H2O = CH3NH3{+} + OH{-}
NaNH2 + CH3Cl = CH3NH2 + NaCl =>
NaNH2 + CH3Cl = CH3NH2 + NaCl
FeCCuSO4 = FeCuSO3CO =>
FeCCuSO4 = FeCuSO3CO
Ca(s) + H2O(l) = Ca(OH)2(s) + H2(g) =>
Ca(s) + 2 H2O(l) = Ca(OH)2(s) + H2(g)
H3PO3 + Na = Na3(PO3) + H2 =>
2 H3PO3 + 6 Na = 2 Na3(PO3) + 3 H2
H2SO4 + KMnO4 + K2SO3 = MnSO4 + H2O + K2SO4 =>
3 H2SO4 + 2 KMnO4 + 5 K2SO3 = 2 MnSO4 + 3 H2O + 6 K2SO4
HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g) =>
2 HNO3(aq) + Ni(s) = Ni(NO3)2(aq) + H2(g)
CH3CH2OH + NaNH2 = NaOH + NH2CH2CH3 =>
CH3CH2OH + NaNH2 = NaOH + NH2CH2CH3
Pt + Cu(NO3)2 = Pt(NO3)2 + Cu =>
Pt + Cu(NO3)2 = Pt(NO3)2 + Cu
Fe(s) + Cl2(g) = FeCl3(s) =>
2 Fe(s) + 3 Cl2(g) = 2 FeCl3(s)
FeCO3H2 = FeH2CO3 =>
FeCO3H2 = FeH2CO3
Na + Ar = Na2Ar =>
2 Na + Ar = Na2Ar
HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + H2O(l) =>
2 HNO3(aq) + Ba(OH)2(aq) = Ba(NO3)2(aq) + 2 H2O(l)
FeCl2Ca(OH)2 = Fe(OH)2CaCl2 =>
FeCl2Ca(OH)2 = Fe(OH)2CaCl2
Zn(OH)2 + P2O5 = Zn(PO3)2 + H2O =>
Zn(OH)2 + P2O5 = Zn(PO3)2 + H2O
Fe2O3(s) + H2O(l) = Fe(OH)3(s) =>
Fe2O3(s) + 3 H2O(l) = 2 Fe(OH)3(s)
Ni + HgCl = NiCl + Hg =>
Ni + HgCl = NiCl + Hg
Na2S + Ag2SO4 = Na2SO4 + Ag2S =>
Na2S + Ag2SO4 = Na2SO4 + Ag2S
Be(OH)2 + HCl = BeCl2 + H2O =>
Be(OH)2 + 2 HCl = BeCl2 + 2 H2O
CH4(g) + O(g) = CO2(g) + H2O(l) =>
CH4(g) + 4 O(g) = CO2(g) + 2 H2O(l)
Pt + Cu(NO3)2 = Pt(NO3) + Cu =>
2 Pt + Cu(NO3)2 = 2 Pt(NO3) + Cu
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
MnS + NaOH = Mn(OH)2 + Na2S =>
MnS + 2 NaOH = Mn(OH)2 + Na2S
C3H6O2 + H2O = H3O + C3H5O2 =>
C3H6O2 + H2O = H3O + C3H5O2
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
NaO + CO2 = Na(CO3) =>
NaO + CO2 = Na(CO3)
NO2 + Zn = ZnO + NO =>
NO2 + Zn = ZnO + NO
Fe2O3(s) + H2O(l) = Fe(OH)3(s) =>
Fe2O3(s) + 3 H2O(l) = 2 Fe(OH)3(s)
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