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(i) Identify the two gases.

(ii) With reason, give the method used to collect gas "P" in the laboratory.

(iii) Give two uses of gas "P" in our daily life.

(a) Chemists at different factories wanted to manufacture various materials for domestic and economic purposes. As an expert, propose the element(s) or compound(s) they could use in each of the following aspects:
(i) Manufacturing of safety matches
(ii) Manufacturing of fizzy drinks
(iii) Manufacturing of hydrochloric acid
(iv) Manufacturing of fertilizers
(v) Manufacturing of gun powder
(vi) Manufacturing of car batteries

(b) During a Chemical equilibrium session, three students went on a study tour at a certain industry which manufactures ammonium through the Haber process. One among the students asked the tour guide from that industry why a chemical equilibrium is described as a dynamic process. Suppose you were the tour guide, give that student the correct answer.



Answer :

GinnyAnswer

Final answer:

This response covers identifying gases, collecting gas in the lab, uses of gas in daily life, manufacturing uses of elements/compounds, and the dynamic nature of chemical equilibrium in the Haber process.


Explanation:

(i) The two gases are gas P and gas M.

(ii) Gas P can be collected in the laboratory by the displacement of water method by using a pneumatic trough.

(iii) Two uses of gas P in daily life are in cooking for heating purposes and in medical surgeries for anesthesia.

Uses in Manufacturing:

  • Safety matches: Phosphorus is used for the head of safety matches.
  • Fizzy drinks: Carbon dioxide is dissolved in fizzy drinks to create carbonation.
  • Hydrochloric acid: Hydrogen chloride gas is dissolved in water to produce hydrochloric acid.
  • Fertilizers: Ammonia is a key component in the manufacturing of fertilizers.
  • Gun powder: Potassium nitrate is a vital ingredient in gunpowder.
  • Car batteries: Sulfuric acid is used in manufacturing car batteries.

Chemical Equilibrium:

In the Haber process, chemical equilibrium is described as a dynamic process because the forward and reverse reactions continue, but the rates of reaction are equal, leading to a constant concentration of reactants and products over time.


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