Q&A

Where does nitric acid in the air come from?

Where does nitric acid in the air come from?

It is a serious air pollutant generated by automotive engines and thermal power plants. Nitric oxide is formed from nitrogen and oxygen by the action of electric sparks or high temperatures or, more conveniently, by the action of dilute nitric acid upon copper or mercury.

What are the steps to produce nitric acid?

Nearly all the nitric acid produced in the U. S. is manufactured by the high-temperature catalytic oxidation of ammonia as shown schematically in Figure 8.8-1. This process typically consists of 3 steps: (1) ammonia oxidation, (2) nitric oxide oxidation, and (3) absorption.

What household item has nitric acid?

Table 7: Alkalis and acids frequently found in household products

Alkalis Products
Acids Products
Sulfuric acid Hydrochloric acid Sodium bisulfate Sodium hypochlorite Acetic Acid Nitric acid Drain cleaner Toilet bowl cleaner House bleach (low concentration) Descalers
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How do you distill nitric acid?

The simplist and most used preparation of nitric acid in the lab is by adding concentrated sulfuric acid to a dry nitrate salt, usually, potassium or sodium nitrate. This mixture is heated to melt the pasty mixture and distill the nitric acid.

Where is nitric acid found in nature?

Most people are exposed outdoors to very minute amounts of nitric acid derived from exhaust fumes or the burning of some organic compounds that contain nitrogen. It is also present in small quantities in rain from areas where nitric oxide (a product of combustion) reacts with ozone and water to form nitric acid.

What household products contain nitric acid?

How is nitric acid made naturally?

Nitric acid is made by reaction of nitrogen dioxide (NO2) with water. The net reaction is: 3 NO2 + H2O → 2 HNO3 + NO. Normally, the nitric oxide produced by the reaction is reoxidized by the oxygen in air to produce additional nitrogen dioxide.

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What are the main materials for making nitric acid?

Ammonia, oxygen, water are the raw materials of nitric acid manufacturing. Ammonia can be obtained by haber process. Ammonia gas is oxidized to nitrogen dioxide by oxygen. Nitrogen dioxide is dissolved in water.

How did senku make nitric acid?

Senku stopping petrification in its tracks using the revival fluid. With that, Senku was able to build a device to turn ammonia, sodium hydroxide and shells into nitric acid and revive the Perseus crew who were petrified. Much later, Senku has to revive Hyoga to combat Ibara and Moz.

How is ammonia converted into nitric acid?

In general, the process for nitric acid manufacture consists of preheating the air, mixing it with ammonia gas, passing it over a platinum catalyst, extracting the heat produced from this reaction by using it to preheat the incoming air and then cooling further, adding secondary air and then absorb- ing the nitrogen …

What are the uses of nitric acid?

Nitric acid plays a significant role in the manufacture of various products such as: Explosives like trinitrotoluene (T.N.T.) nitro glycerine,gun cotton,ammonal etc.

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  • It is used in the purification of silver,gold,platinum etc.
  • Nitric acid is used in etching designs on copper,brass,bronze ware etc.
  • What is the process of nitric acid?

    Nitric acid is most commonly manufactured by Ostwald process. The Ostwald process converts ammonia to nitric acid and involves two steps. In step 1, ammonia is oxidized to form nitric oxide and also nitrogen dioxide. Then in step 2, the nitrogen dioxide that was formed is absorbed in water.

    Who sells nitric acid?

    Borealis sells nitric acid process technology and signs technology cooperation agreement with Casale Borealis, a leading provider of innovative solutions in the fields of polyolefins, base chemicals and fertilizers, has divested a package of fertilizer process technologies and established a new technology partnership with Casale SA.

    What is the formula for nitrate acid?

    The chemical formula of sodium nitrate is NaNO3. Its molecular formula is NNaO3 and its molar mass is 84.9947 g/mol. It is the sodium salt of nitric acid (HNO3), and hence, is composed of the sodium cation (Na+) and nitrate anion (NO3-).