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2 Na14 = Na28
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
KCI + NaOH = NaCI + KOH =>
KCI + NaOH = NaCI + KOH
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Mg(s) + Cu(NO3)2(am) = Mg(NO3)2(aq) + Cu =>
Mg(s) + Cu(NO3)2(am) = Mg(NO3)2(aq) + Cu
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
K2S = K + S =>
K2S = 2 K + S
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
AlCl3 + NH4(OH) = Al(OH)3 + (NH4)Cl =>
AlCl3 + 3 NH4(OH) = Al(OH)3 + 3(NH4)Cl
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
C6H5OHBr2 = C6H5OBrHBr =>
C6H5OHBr2 = C6H5OBrHBr
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca3N2 + H2O = Ca(OH)2 + NH3 =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 NH3
C2H6O2(s) + O2(g) = CO2(g) + H2O(g) =>
2 C2H6O2(s) + 5 O2(g) = 4 CO2(g) + 6 H2O(g)
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
Na2S2O3 + H2SO4 = H2O + Na2SO4 + S =>
3 Na2S2O3 + H2SO4 = H2O + 3 Na2SO4 + 4 S
ZnBr2 + Pb(NO2)2 = Zn(NO2)2 + PbBr2 =>
ZnBr2 + Pb(NO2)2 = Zn(NO2)2 + PbBr2
Zn(s) + C6H8O7(aq) = Zn(C6H5O7) + H2(g) =>
2 Zn(s) + 2 C6H8O7(aq) = 2 Zn(C6H5O7) + 3 H2(g)
N2 + O2 = N2O3 =>
2 N2 + 3 O2 = 2 N2O3
CH3CCCH3H2O = CH3COCH2CH3 =>
CH3CCCH3H2O = CH3COCH2CH3
KAlO2 + HNO3 = KNO3 + Al(NO3)3 + H2O =>
KAlO2 + 4 HNO3 = KNO3 + Al(NO3)3 + 2 H2O
CS2 + O2 = CO2 + SO2 =>
CS2 + 3 O2 = CO2 + 2 SO2
AuCl = Au + Cl2 =>
2 AuCl = 2 Au + Cl2
(NH4)2SO4 + CaO = CaSO4 + NH3 + H2O =>
(NH4)2SO4 + CaO = CaSO4 + 2 NH3 + H2O
Ba(HCO3)2 + H2SO4 = H2CO3 + BaSO4 =>
Ba(HCO3)2 + H2SO4 = 2 H2CO3 + BaSO4
HNO3 + S = H2O + H2SO4 + NO2 =>
6 HNO3 + S = 2 H2O + H2SO4 + 6 NO2
NaC2H3O2 + HCl = NaCl + HC2H3O2 =>
NaC2H3O2 + HCl = NaCl + HC2H3O2
AlN + H2O = Al(OH)3 + NH3 =>
AlN + 3 H2O = Al(OH)3 + NH3
CaSO3 = CaO + SO2 =>
CaSO3 = CaO + SO2
CuCl2 + NaOH = Cu(OH)2 + NaCl =>
CuCl2 + 2 NaOH = Cu(OH)2 + 2 NaCl
SOCl2 + NaOH = NaCl + SO2 + H2O =>
SOCl2 + 2 NaOH = 2 NaCl + SO2 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Mg(OH)2 + H3PO4 = (Mg)3(PO4)2 + H2O =>
3 Mg(OH)2 + 2 H3PO4 = (Mg)3(PO4)2 + 6 H2O
KMnO4 + NaHSO3 + H2SO4 = MnSO4 + K2SO4 + Na2SO4 + H2O =>
4 KMnO4 + 10 NaHSO3 + H2SO4 = 4 MnSO4 + 2 K2SO4 + 5 Na2SO4 + 6 H2O
PbCl2 + NaOH = Na2[Pb(OH)4] + NaCl =>
PbCl2 + 4 NaOH = Na2[Pb(OH)4] + 2 NaCl
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
C2H8N2 + N2O4 = N2 + CO2 + H2O =>
C2H8N2 + 2 N2O4 = 3 N2 + 2 CO2 + 4 H2O
Na3P + CaF2 = NaF + Ca3P2 =>
2 Na3P + 3 CaF2 = 6 NaF + Ca3P2
K2HPO3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + K2HPO4 + H2O =>
5 K2HPO3 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 K2HPO4 + 3 H2O
NaCl + Ag = AgCl + Na =>
NaCl + Ag = AgCl + Na
CuCl2 + Na3PO4 = Cu3(PO4)2 + NaCl =>
3 CuCl2 + 2 Na3PO4 = Cu3(PO4)2 + 6 NaCl
Mn{+} + Br2 + OH{-} = H2MnO3 + Br{-} + H2O =>
2 Mn{+} + 3 Br2 + 8 OH{-} = 2 H2MnO3 + 6 Br{-} + 2 H2O
ZnS + HCl = ZnCl2 + H2S =>
ZnS + 2 HCl = ZnCl2 + H2S
Br2O + HNO3 = BrNO3 + H2O =>
Br2O + 2 HNO3 = 2 BrNO3 + H2O
C2H2 + KBr + H2O = C2H4Br2 + KOH =>
C2H2 + 2 KBr + 2 H2O = C2H4Br2 + 2 KOH
Mg(OH)2 + SO3 = MgSO4 + H2O =>
Mg(OH)2 + SO3 = MgSO4 + H2O
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