Answer:
Hydrogen chloride - diluted solution. Sulfur dioxide ( SO 2) reacts with chlorine gas (Cl 2) in the presence of moisture to give HCl and H 2 SO 4. ... H 2 SO 4 and HCl are strong acids in aqueous solutions. If more HCl is added to the solution, then carbon dioxide gas, sodium chloride and water are produced.
is the ΔS°rxn for the formation of Cu₂O(s) from its elements.
WHAT IS ΔS°rxn FOR THE REACTION ?
The direction of spontaneous change is the direction in which total entropy increases. Total entropy change, also called the entropy change of the universe, is the sum of the entropy change of a system and of its surroundings
Standard entropy change of below reaction (ΔS°)
∴ ΔH° = - 168.6 KJ/mol
Now,
Thus, -75.6 J/mol K is the ΔS°rxn for the formation.
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14.5 M
Molarity=grams/liters
M=58/4.0