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4 KCa2 + Fe2 = 2 K2Fe + 8 Ca
CuBr2 + Cl2 = Br + CuCl2 =>
CuBr2 + Cl2 = 2 Br + CuCl2
Cu + O2(g) = CuO(s) =>
2 Cu + O2(g) = 2 CuO(s)
CO + NO = CO2 + N2 =>
2 CO + 2 NO = 2 CO2 + N2
Fe(OH)2 + H2O2 = Fe(OH)3 =>
2 Fe(OH)2 + H2O2 = 2 Fe(OH)3
K3PO4(aq) + Ca(NO3)2 = Ca3(PO4)2(s) + KNO3(aq) =>
2 K3PO4(aq) + 3 Ca(NO3)2 = Ca3(PO4)2(s) + 6 KNO3(aq)
CH3COOCH3 + CsOH = CH3OH + CH3CO2Cs =>
CH3COOCH3 + CsOH = CH3OH + CH3CO2Cs
Ag2O + HNO3 = AgNO3 + H2O =>
Ag2O + 2 HNO3 = 2 AgNO3 + H2O
CaSO4 + NH4Cl = CaCl + NH4SO4 =>
CaSO4 + NH4Cl = CaCl + NH4SO4
C6H5CH3CH3 + KMnO4 + H2SO4 = C6H5COOHCOOH + K2SO4 + MnSO4 + H2O =>
5 C6H5CH3CH3 + 12 KMnO4 + 18 H2SO4 = 5 C6H5COOHCOOH + 6 K2SO4 + 12 MnSO4 + 28 H2O
P2O3 + H2O = PH3 + O =>
P2O3 + 3 H2O = 2 PH3 + 6 O
CH3CH2CHO + Ag(NH3)2OH + NaOH = CH3CH2COONa + NH3 + H2O + Ag =>
CH3CH2CHO + 2 Ag(NH3)2OH + NaOH = CH3CH2COONa + 4 NH3 + 2 H2O + 2 Ag
O2 + Na2CO3 + NH4VO3 + Cr2O3 = Na3CrV2O8 + NH3OH + CO2 =>
O2 + 3 Na2CO3 + 4 NH4VO3 + Cr2O3 = 2 Na3CrV2O8 + 4 NH3OH + 3 CO2
Fe2SO4 + Al = AlSO4 + Fe =>
Fe2SO4 + Al = AlSO4 + 2 Fe
ZnCl2 + Cr(NO3)3 = Zn(NO3)3 + CrCl2 =>
ZnCl2 + Cr(NO3)3 = Zn(NO3)3 + CrCl2
C + O2 + H2 = CH12O6 =>
C + 3 O2 + 6 H2 = CH12O6
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
*32TiB = B + Ti =>
*32TiB = 32 B + 32 Ti
SnO2(S) + H2(g) = Sn(S) + H2O =>
SnO2(S) + 2 H2(g) = Sn(S) + 2 H2O
Cu(NO3)2(aq) + K2S(aq) = K2(NO3)2(aq) + CuS(aq) =>
Cu(NO3)2(aq) + K2S(aq) = K2(NO3)2(aq) + CuS(aq)
NaCr02 + H2O2 + NaOH = NaCrO4 + H2O =>
2 NaCr02 + 15 H2O2 + 2 NaOH = 4 NaCrO4 + 16 H2O
CH2O + H2 = CH3OH =>
CH2O + H2 = CH3OH
KClO3(s) = KCl(s) + O2(g) =>
2 KClO3(s) = 2 KCl(s) + 3 O2(g)
C7H8O + O2 = CO2 + H2O =>
2 C7H8O + 17 O2 = 14 CO2 + 8 H2O
OH + HCl + K = KCl + H2O =>
OH + HCl + K = KCl + H2O
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
CH4 + O2 = (CH4)2O =>
4 CH4 + O2 = 2(CH4)2O
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
HPO3{2-} + MnO4{-} + OH{-} = PO4{3-} + MnO4{2-} + H{+} =>
HPO3{2-} + 2 MnO4{-} + OH{-} = PO4{3-} + 2 MnO4{2-} + 2 H{+}
Fe3O + CO2 = Fe3(CO3) =>
Fe3O + CO2 = Fe3(CO3)
Na2CO3 + CoCl2(H2O)6 = CoCO3 + NaCl + H2O =>
Na2CO3 + CoCl2(H2O)6 = CoCO3 + 2 NaCl + 6 H2O
HI + ZnO = ZnI2 + H2O =>
2 HI + ZnO = ZnI2 + H2O
Na2SO3 + SO2 = Na2S2O5 =>
Na2SO3 + SO2 = Na2S2O5
CaOCl2 = Ca + OCl + Cl =>
CaOCl2 = Ca + OCl + Cl
Na2CO3 + Mg(NO3)2 = MgCO3 + NaNO3 =>
Na2CO3 + Mg(NO3)2 = MgCO3 + 2 NaNO3
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
NaOH + Ba(No3)2 = NaNo3 + Ba(OH)2 =>
2 NaOH + Ba(No3)2 = 2 NaNo3 + Ba(OH)2
NiO2 + NH3 = Ni(OH)2 + N2H4 =>
NiO2 + 2 NH3 = Ni(OH)2 + N2H4
Na2SnS3 + HNO3 = NaNO3 + Sn(NO3)4 + NO2 + H2O + H2SO4 =>
Na2SnS3 + 30 HNO3 = 2 NaNO3 + Sn(NO3)4 + 24 NO2 + 12 H2O + 3 H2SO4
Cu2 + S = Cu2S =>
Cu2 + S = Cu2S
Al2O3 + NaOH + HF = Na3AlF6 + H2O =>
Al2O3 + 6 NaOH + 12 HF = 2 Na3AlF6 + 9 H2O
Si4 + O2 = SiO2 =>
Si4 + 4 O2 = 4 SiO2
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
(NH4)2CO3 + Fe(NO3)3 = Fe(CO3)3 + NO3(NH4)2 =>
3(NH4)2CO3 + Fe(NO3)3 = Fe(CO3)3 + 3 NO3(NH4)2
CH3COCH3 + H4 = CH3CH(OH)CH3H2 =>
CH3COCH3 + H4 = CH3CH(OH)CH3H2
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
Bi(NO3)3 + NH3 + H2O = Bi(OH)3 + NH3NO3 =>
3 Bi(NO3)3 + 7 NH3 + 6 H2O = 3 Bi(OH)3 + 8 NH3NO3
C2H2 + [Cu(NH3)2]Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2[Cu(NH3)2]Cl = C2Cu2 + 4 NH3 + 2 HCl
Zn + NH3 = Zn(NH3) =>
Zn + NH3 = Zn(NH3)
MnO4{-} + NO2 + H2O = Mn2{+} + NO3{-} + H{+} =>
2 MnO4{-} + 13 NO2 + 5 H2O = Mn2{+} + 13 NO3{-} + 10 H{+}
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