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2 Mg + 2 O = Mg2O2
CH3COCH3 + CH3NH2 = CH3CNCH3CH3 + H2O =>
CH3COCH3 + CH3NH2 = CH3CNCH3CH3 + H2O
PbO2 + NaOH + Cr2(SO4)3 = PbSO4 + Na2CrO4 + H2O =>
3 PbO2 + 4 NaOH + Cr2(SO4)3 = 3 PbSO4 + 2 Na2CrO4 + 2 H2O
Al(s) + H2SO4(aq) = H2(g) + Al2(SO4)3(aq) =>
2 Al(s) + 3 H2SO4(aq) = 3 H2(g) + Al2(SO4)3(aq)
K2CO3 + SiO2 = K2O + Si(CO3)2 =>
2 K2CO3 + SiO2 = 2 K2O + Si(CO3)2
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Cu(OH)2 + NH3 = [Cu(NH3)4](OH)2 =>
Cu(OH)2 + 4 NH3 = [Cu(NH3)4](OH)2
Al2(SO4)3 + H2SiF6 = Al2(SiF6)3 + H2SO4 =>
Al2(SO4)3 + 3 H2SiF6 = Al2(SiF6)3 + 3 H2SO4
H2S + Li = Li2S + H2 =>
H2S + 2 Li = Li2S + H2
Zn(OH)2 + KOH = K4(Zn(OH)6) =>
Zn(OH)2 + 4 KOH = K4(Zn(OH)6)
Cu(Br)2 + Pb(C2H3O2)2 = Cu(C2H3O2)2 + Pb(Br)2 =>
Cu(Br)2 + Pb(C2H3O2)2 = Cu(C2H3O2)2 + Pb(Br)2
Al02 = Al203 =>
203 Al02 = 2 Al203
NaCH3CO2 + H2O = H3O + NaCH2CO2 =>
NaCH3CO2 + H2O = H3O + NaCH2CO2
Hg(NO3)2 + HCl = HgCl2 + H(NO3) =>
Hg(NO3)2 + 2 HCl = HgCl2 + 2 H(NO3)
Hg2Cl2 + Zn = Hg + ZnCl2 =>
Hg2Cl2 + Zn = 2 Hg + ZnCl2
Ni(s) + Pb(NO3)2(aq) = Ni(NO3)2(aq) + Pb(s) =>
Ni(s) + Pb(NO3)2(aq) = Ni(NO3)2(aq) + Pb(s)
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
AgNO3 + H3PO4 = Ag3PO4 + HNO3 =>
3 AgNO3 + H3PO4 = Ag3PO4 + 3 HNO3
Fe + Cu(NO3)2 = Fe(NO3)3 + Cu =>
2 Fe + 3 Cu(NO3)2 = 2 Fe(NO3)3 + 3 Cu
H2SO4 + Zn = H2 + ZnSO4 =>
H2SO4 + Zn = H2 + ZnSO4
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
C2H14 + O2 = CO2 + H2O =>
2 C2H14 + 11 O2 = 4 CO2 + 14 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
SiO2 + Ca = CaO + Si =>
SiO2 + 2 Ca = 2 CaO + Si
Br2O7 + MgO = MgBr2O8 =>
Br2O7 + MgO = MgBr2O8
Pb(OH)2 = PbO + water =>
Pb(OH)2 = PbO + H2O
MgNH4PO4 = Mg2P2O7 + NH3 + H2O =>
2 MgNH4PO4 = Mg2P2O7 + 2 NH3 + H2O
CH3COOCH2CH3 + CH3NH2 = CH3COOCH2CH2CH3 + NH3 =>
CH3COOCH2CH3 + CH3NH2 = CH3COOCH2CH2CH3 + NH3
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
H2SO4(g) = H2O(g) + SO3(g) =>
H2SO4(g) = H2O(g) + SO3(g)
KClO3 + HCl = H2O + KCl + Cl2 =>
KClO3 + 6 HCl = 3 H2O + KCl + 3 Cl2
Li + ZnSO4 = Li2SO4 + Zn =>
2 Li + ZnSO4 = Li2SO4 + Zn
BCl3 + H2O = B(OH)3 + HCl =>
BCl3 + 3 H2O = B(OH)3 + 3 HCl
NaBr + NaBrO3 + H2SO4 = Br2Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2Na2SO4 + 3 H2O
CaO + SiO2 = CaSiO3 =>
CaO + SiO2 = CaSiO3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Cl + BrK = ClK + Br =>
Cl + BrK = ClK + Br
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
K2CrO4 + Zn + KOH + H2O = K3(Cr(OH)6) + K2(Zn(OH)4) =>
2 K2CrO4 + 3 Zn + 8 KOH + 8 H2O = 2 K3(Cr(OH)6) + 3 K2(Zn(OH)4)
KNO2 + HI + H2SO4 = I2 + NO + K2SO4 + H2O =>
2 KNO2 + 2 HI + H2SO4 = I2 + 2 NO + K2SO4 + 2 H2O
AgBr + H2O = AgHO + HBr =>
AgBr + H2O = AgHO + HBr
Ca(NO3)2 + FeS = Fe(NO3)2 + CaS =>
Ca(NO3)2 + FeS = Fe(NO3)2 + CaS
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
NO + O2 + H2O = HNO3 =>
4 NO + 3 O2 + 2 H2O = 4 HNO3
CH4 + Cl2 = CCl4 + HCl =>
CH4 + 4 Cl2 = CCl4 + 4 HCl
As + NaOH = Na3AsO3 + H2 =>
2 As + 6 NaOH = 2 Na3AsO3 + 3 H2
Fe(s)Pb(NO3)2(aq) = Fe(NO3)2(aq)Pb(s) =>
Fe(s)Pb(NO3)2(aq) = Fe(NO3)2(aq)Pb(s)
CuBr2 + Al = AlBr2 + Cu =>
CuBr2 + Al = AlBr2 + Cu
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