Acid rain is a problem in many areas of the United States. IN Places where there

Question

Acid rain is a problem in many areas of the United States. IN Places where there ore large numbers of limestone quarries, the rainwater that collects in these quarries en to be less acidic than the rain itself. Write a brief paragraph explaining why? Aspirin is commonly used to relieve mild pain. Some people get an upset stomach from aspirin unless they take a buffered aspirin. Do some research to find out why. Write an advertisement for the buffered aspirin that includes an explanation o your findings. Suppose acid rain has caused a lake near you to become acidic. Some people have suggested adding compounds such as calcium hydroxide to the lake to raise its pH. Based on what you know about neutralization reactions, decide whether this is a good idea. Write a letter to the editor of you local newspaper and explain your position. what you have learned about neutralization reactions to support your opinion Chlorine compounds are used to disinfect the water in swimming pools. Chlorine is added in the form of hypochlorite salt. The following reaction occurs in water. OCI-(aq)+ H_2O(l)left right arrow HOCI(aq) + OH-(aq) To prevent the growth of bacteria and algae, a sufficient concentration of hypochlorous acid (HOCI) must be maintained. The amount of hypochlorous acid depends on the pH of the water. Find out how the pH ot water in swimming pools is regulated. What is added when pH is too high? When the pH is too low? Make a flowchart of your findings. Be sure to include the appropriate reactions. What are some alternatives for hypochlorous acid.

Explanation / Answer

3)

Generally the acidic nature of rain water is due to the presenece of oxides of sulpher and nitrogen present in the atmosphere. In the rain time these oxides reacts with water and forms sulphuric acid and nitric acid. In this way the rain water becomes acidic.

       But in places where there are large number of limestone quarries, the acidic nature of rain water decreases, why because in places lime stone quarries, the atmosphere contains large amount calcium oxide. When rain water combines with Calcium oxide, it form calcium hydroxide which is basic in nature. Due to the formation of base, the rain water becomes less acidic.

4)

Generally aspirin is used for pain relief. Acetyl salicyllic acid is known as Aspirin. It has acidic nature. So, it causes upset in stomach. To reduce this aspirin should be taken with a combination of an antacid such as calcium carbonate, aluminium hyroxide. This combination is called as buffered aspirin. The antacid helps reduce stomach upset that aspirin may cause.

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