Question

Balance the following H2SO4 + NaCl = HCl + NaSo4 CuS + O2 + C =...

Balance the following
H2SO4 + NaCl = HCl + NaSo4
CuS + O2 + C = Cu + So2 + Co2
Ag + H2S + O2 = Ag2S + H2O
NH5CL + Ca(OH)2 = NH3 +CaCl2 +H2O
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Answer #1

ANSWER:

1.) The balanced chemical equations are:

  • H2SO4 + 2 NaCl 2 HCl + Na2SO4

​Here, number of atoms of in reactant side is equal to number of atoms in product side. And formula of sodium sulfate is Na2SO4. So, formula is wrong.

if formula is not wrong then balanced equation will be:

2 NaCl + 2 H2SO4 2 NaSO4 + 2 HCl + H2

2.) The balanced chemical equations are:

  • CuS + 2 O2 + C Cu + SO2 + CO2

​Here, number of atoms of in reactant side is equal to number of atoms in product side.

3.) The balanced chemical equations are:

  • 4 Ag + 2 H2S + O2 2 Ag2S + 2 H2O

Here, number of atoms of in reactant side is equal to number of atoms in product side.

4.) The balanced chemical equations are:

  • NH5Cl + Ca(OH)2 NH3 + CaCl2 + H2O

This chemical equation is an impossible reaction. In the place of this chemical equation, it may be:

2 NH4Cl + Ca(OH)2 2 NH3 + CaCl2 + 2 H2O

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