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2 NO2NaOH = NaNO2NaNO3H2O
CoCO3 = CoO + CO2 =>
CoCO3 = CoO + CO2
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C4H9Cl + KOH = C4H10O + KCl =>
C4H9Cl + KOH = C4H10O + KCl
AgCl + CaCO3 = Ag2CO3 + CaCl2 =>
2 AgCl + CaCO3 = Ag2CO3 + CaCl2
Zn + H3N = Zn2N + H2 =>
4 Zn + 2 H3N = 2 Zn2N + 3 H2
BF3 + NaH = B2H6 + NaF =>
2 BF3 + 6 NaH = B2H6 + 6 NaF
Sn + F = SnF2 =>
Sn + 2 F = SnF2
Ti(Cl)4 + H2O = Ti(O)2 + HCl =>
Ti(Cl)4 + 2 H2O = Ti(O)2 + 4 HCl
Na + H2P = Na3P + H2 =>
3 Na + H2P = Na3P + H2
H3O + CO3 = H2O + HCO3 =>
H3O + CO3 = H2O + HCO3
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
Cl2 + NaOH = NaClO + HCl =>
Cl2 + NaOH = NaClO + HCl
MgC2O4Li = MgLiC2O4 =>
MgC2O4Li = MgLiC2O4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Zn + HgNO3 = ZnNO3 + Hg =>
Zn + HgNO3 = ZnNO3 + Hg
CH3CH2 + S = CS2 + H2S =>
2 CH3CH2 + 13 S = 4 CS2 + 5 H2S
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
H2O2SO2 = H2SO4 =>
H2O2SO2 = H2SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Ca(NO3)2 + Na2CO3 = CaCO3 + NaNO3 =>
Ca(NO3)2 + Na2CO3 = CaCO3 + 2 NaNO3
C + H2O = CO + H2 =>
C + H2O = CO + H2
KOHCu(SO4)2 = Cu(OH)K(SO4)2 =>
KOHCu(SO4)2 = Cu(OH)K(SO4)2
K2SO4 = K + SO4 =>
K2SO4 = 2 K + SO4
CuCl + BaO = Cu2O + BaCl2 =>
2 CuCl + BaO = Cu2O + BaCl2
C17H33COONa + Ca(OH)2 = (C17H33COO)2Ca + Na(OH) =>
2 C17H33COONa + Ca(OH)2 = (C17H33COO)2Ca + 2 Na(OH)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
NaBrO3 + KI + H2SO4 = NaBr + I2 + K2SO4 + H2O =>
NaBrO3 + 6 KI + 3 H2SO4 = NaBr + 3 I2 + 3 K2SO4 + 3 H2O
Na3FeO3 + H2SO4 = Fe2(SO4)3 + H2O + Na2SO4 =>
2 Na3FeO3 + 6 H2SO4 = Fe2(SO4)3 + 6 H2O + 3 Na2SO4
H2O2 + HI = I2 + H2O =>
H2O2 + 2 HI = I2 + 2 H2O
Ag(s) + PbNo3(aq) = Ag(No3)(aq) + Pb(s) =>
Ag(s) + PbNo3(aq) = Ag(No3)(aq) + Pb(s)
BaOH + H2O = (BaOH2)2 + OH =>
2 BaOH + 2 H2O = (BaOH2)2 + 2 OH
PbS + Na2(NO3)2 = Pb(NO3)2 + Na2S =>
PbS + Na2(NO3)2 = Pb(NO3)2 + Na2S
KBr(aq) + Cl2(g) = KCl + Br2 =>
2 KBr(aq) + Cl2(g) = 2 KCl + Br2
FeCO3 + HCl = FeCl2 + H2O + CO2 =>
FeCO3 + 2 HCl = FeCl2 + H2O + CO2
AgBr + Sr(ClO4)2 = SrBr + Ag(ClO4)2 =>
AgBr + Sr(ClO4)2 = SrBr + Ag(ClO4)2
Mg(NO3)2 + KOH = Mg(OH)2 + KNO3 =>
Mg(NO3)2 + 2 KOH = Mg(OH)2 + 2 KNO3
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
NH4OCl + H2O = NH3OCl + H3O =>
NH4OCl + H2O = NH3OCl + H3O
CaCO3 + KI = CaI2 + K2CO3 =>
CaCO3 + 2 KI = CaI2 + K2CO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
K2Cr2O7 + KBr + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 6 KBr + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
K2[Zn(OH)4] + HNO3 = KNO3 + Zn(OH)2 + H2O =>
K2[Zn(OH)4] + 2 HNO3 = 2 KNO3 + Zn(OH)2 + 2 H2O
Ag + O2 = Ag2O =>
4 Ag + O2 = 2 Ag2O
Fe2(SO4)3 + NaOH = Fe2(OH)6 + Na6(SO4)3 =>
Fe2(SO4)3 + 6 NaOH = Fe2(OH)6 + Na6(SO4)3
Fe + S = FeS =>
Fe + S = FeS
C{+4} + H{+2} = {+} + CH =>
C{+4} + H{+2} = 6{+} + CH
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
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