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Essays on Acid

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Essay Examples

Preparation of Methyl M-Nitrobenzoate



Words: 786 (4 pages)

Preparation of methyl m-nitrobenzoate by nitration using methyl benzoate, nitric acid, and sulfuric acid Aileen Quintana TA: Sijie Tues/Thurs 11:50 42067 Introduction: The purpose of this lab was to explore the concepts of electrophilic aromatic substitution, specifically nitration by synthesizing methyl m-nitrobenzoate using methyl benzoate, nitric acid and sulfuric acid. This nitration is a type…

The Medicinal Properties of Acetylsalicylic Acid Have Been Known for Millenia


Words: 4454 (18 pages)

The ancient Greeks noted that extracts of willow and poplar bark were effective painkillers, though it was not until the 1800s that its active ingredient, salicylic acid, was isolated. However, it was strongly acidic and irritated membranes of the mouth and stomach. In 1875, sodium salicylate was introduced in an attempt to weaken the salicylic…

Synthesis of Acetyl Salicylic Acid (Aspirin)


Words: 2346 (10 pages)

Introduction The following report contains information on how to produce aspirin. The experiment has been carried out on a small laboratory scale. The experiment starts by combining such chemicals such as salicylic acid and acetic anhydride. The synthesis of aspirin is classified as an esterification reaction. This is a substitution reaction where the alcohol group…

Citric Acid Cycle as a Central Metabolic Mechanism


Cellular respiration

Words: 2653 (11 pages)

Describe the role of the citric acid cycle as a central metabolic mechanism. Explain what happens to the cells’ abilities to oxidize acetyl CoA when intermediates of the cycle are drained off for amino acid biosynthesis. Glucose is a source of energy that is metabolized into glycolysis to pyruvate yielding ATP. To become more efficient,…

Herb-unfused vinegar research




Words: 5687 (23 pages)

ABSTRACT The bilimbi, Averrhoa bilimbi, L., (Oxalidaceae), is closely related to the carambola but quite different in appearance, manner of fruiting, flavor and uses. The only strictly English names are “cucumber tree” and “tree sorrel”, bestowed by the British in colonial times. “Bilimbi” is the common name in India and has become widely used. In…

The experiment of qualitative analysis of cations




Words: 1808 (8 pages)

Part I: Separate a mixture of known cations: Pb2+, Fe3+, Al3+, Cu2+, and Ca2+ into individual ions. Perform a series of tests to become familiar with reactions characteristic of each cation. Part II: Separate and identify individual cations in an unknown solution containing a mixture of up to five cations. Use information gathered in part…

about Leibermann Burchard Test



Words: 305 (2 pages)

The body uses cholesterol to make vitamin D and various hormones, such as estrogen, testosterone, and cortical. The body can produce all the cholesterol that it is needs, but it also obtains cholesterol from food. Lieberman-Bernhard test: The Lieberman-Bernhard or acetic anhydride test is used for the determination of cholesterol. The formation of a green…

Prototype Nickel Tin Catalytic Converter


Chemical Reaction




Physical chemistry

Words: 5452 (22 pages)

CHEMISTRY (Theory) Time allowed : 3 hours General Instructions: (i) All questions are compulsory. Maximum Marks : 70 (ii) Marks for each question are indicated against it. (iii) Question numbers 1 to 8 are very short-answer questions and carry 1 mark each. (iv) Question numbers 9 to 18 are short-answer questions and carry 2 marks…

Synthesis of Aspirin Essay




Words: 853 (4 pages)

VI. RESULTS AND DISCUSSION Aspirin is prepared by the esterification of salicylic acid with acetic anhydride under acidic conditions. The phenol group in salicylic acid is replaced by a carboxyl group through electrophilic substitution. The mechanism for the reaction can be summarized as follows: Figure 11.4. Mechanism for the reaction of salicylic acid and acetic…

Preparation of Azo Dyes




Words: 1883 (8 pages)

In this experiment, the azo dyes p-nitrobenzene azoresorcinol and methyl orange were prepared by the azo coupling reaction. The p-nitrobenzene azoresorcinol dye was prepared from p-nitroaniline and resorcinol. The diazonium salt formed was from the reaction of the cold solution of dissolved p-nitroaniline in hydrochloric acid and water with the solution of sodium nitrite. Azo…

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Frequently Asked Questions about Acid

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How acid is formed?
One water molecule gains a hydrogen and therefore takes on a positive charge, while the other water molecule loses a hydrogen atom and therefore becomes negatively charged. H 3O + is called a hydronium ion, and it makes things acidic.
What is acid and explain?
An acid is any substance that in water solution tastes sour, changes blue litmus paper to red, reacts with some metals to liberate hydrogen, reacts with bases to form salts, and promotes chemical reactions (acid catalysis).
What is an acid summary?
An acid is a chemical species that donates protons or hydrogen ions and/or accepts electrons. Most acids contain a hydrogen atom bonded that can release (dissociate) to yield a cation and an anion in water.

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