Acids Reflective Essay

On By In 1

Chemistry Project: Acids And Bases & The P H Scale

Acids and Bases are two groups of chemical compounds that generally have opposite

characteristics. They have there own unique traits, acids taste sour, turn litmus red while

bases taste bitter and turn litmus blue. The term pH relates to measuring the acidity or

alkalinity of a solution, such as vinegar, or even a damp substance like soul.

The neutral pH is 7, which is essentially water, with lower numbers indicating acidity and

higher numbers indicating alkalinity. Hydronium ions (H3O+) are formed when water

molecules (H2O) bond with hydrogen ions (H+). Hydronium ions are positively charged

because of their extra hydrogen ion. Hydroxide ions (OH-) are produced when water

molecules (H2O) ionize to become hydronium ions (H3O+) and hydroxide ions (OH-).

Substances with a high concentration of hydroxide ions are bases. Bases have a pH rating

of seven or higher. Solutions of ions conduct an electric current, similar in the way that

wire does. Ions can move about in a solution and carry a charge. If they can do carry the

charge they are electrolytes.

The Bronsted-Lowry theory states that an acid is a proton donor and a base a

proton acceptor. Although the acid must still contain hydrogen, the Bronsted-Lowry

theory does not require an aqueous medium. The Bronsted-Lowry definition of acids and

bases also explains why a strong acid displaces a weak acid from its compounds and

likewise for strong and weak bases. In the Lewis theory of acid-base reactions, bases

donate pairs of electrons and acids accept pairs of electrons. A Lewis acid is any

substance, such as the H+ ion, that can accept a pair of nonbonding electrons. Therefore, a

Lewis acid is an electron-pair acceptor. A Lewis base is any substance, such as the OH-

ion, that can donate a pair of nonbonding electrons. A Lewis base is therefore an

electron-pair donor.

Svante Arrhenius was a Swedish chemist who helped lay the foundation of

modern day chemistry. When he was a student, he studied the conductive properties of

electrolytic solutions. In his doctoral thesis he made the theory of electrolytic

dissociation. This theory implies that in electrolytic solutions, the dissolved chemical

compounds in the solution are dissociated into ions, even when there is no current

flowing through the solution. Initially, his theory was thought to be wrong, and his thesis

was given the lowest possible passing grade. However, later on Arrhenius' theory of

electrolytic dissociation became generally accepted, and eventually became one of the

principles of modern chemistry.

The pH scale measures the concentration of H+ and OH-. The pH scale...

Loading: Checking Spelling

0%

Read more

Effect of Acids and Bases Essay

866 words - 3 pages Effect of Acids and Bases Experiments to Determine the Effect of Acids & Bases on Different Indicators and the pH of Common Cleaning Agents The aim of the first set of experiments is to find out and record the colour changes that are observed after a certain indicator is mixed with acids and bases to form a colour reaction. Once the selected indicator has been mixed with a acid that is both weak and strong and a base/alkali that is both...

Acids, Bases and Natural Indicators Essay

1361 words - 5 pages INTRODUCTION:Nowadys, indicators have become technologically advanced and can be used for the main purpose of indicating whether something is acidic, basic or neutral. This is possible because in solutions of different pH, the colour of the inidcator will change simultaneously with pH change. This is made possible by pigments in the indicators....

Report the process on the project of PH value

1566 words - 6 pages Report the process on the project Report of current process on the project

The Unbalanced Scale Between Men and Women

1208 words - 5 pages The Unbalanced Scale between Men and Women Over an extensive period of time, the issue concerning gender has “consistently occupy the media and the public mind.” (Correll 20). It has established beliefs about the roles of men and women as a whole. “A man is expected always to be strong, impervious to pain, and especially to emotional stress, dominant in the role of lord and master; a woman is expected to be docile, submissive, passive, fulfilled...

The Affects of Acid Rain on pH and Alkalinity

984 words - 4 pages Acid rain is caused when rain, fog, or snow passes through a layer of pollution. Acid rain is just a common term meaning acid deposition. Acid deposition is divided into two types, wet and dry. Wet acid deposition includes rain, fog, and snow. The potency of the acid rain depends on how acidic the water is to start and the chemistry and buffering capacity of the soil. Dry acid deposition includes acidic gases and particles. Acid rain occurs...

The Chemistry in Beer and Brewing

750 words - 3 pages Beer brewing and consumption has been around for an estimate of 5000 years. The technique that was discovered was actually an accident involving barley being soaked in the rain, spontaneously fermented, flavored with honey and dates, and it was drank from jugs with straws. This accident was perfected to the point where there are now more than 70 types of beer. Beer is part of most societies, and it has become a major industry in the Americas,...

The Role of Essential Amino Acids, Micronutrients and Antioxidant Status in Alcoholic and Tropical Chronic Pancreatitis

742 words - 3 pages This investigation was undertaken to examine the role of essential amino acids, micronutrients and antioxidant status in alcoholic and tropical chronic pancreatitis and to compare with healthy controls. A further goal is to estimate serum rhodanese, thiocyanate and urinary inorganic sulfate/cratinine ratio as a measure of detoxification of cyanogens. Chronic pancreatitis is an inflammatory disease associated with irreversible exocrine...

The Dynamics of Representation and the Bases of Structure of Comprehension of the East in Monica Ali’s Brick Lane

2923 words - 12 pages Introduction This essay shall look into the dynamics of representation and the bases of structure of comprehension of the ‘East’ in Monica Ali’s Brick Lane (2003). The paper argues that while the characters are alienated from the Orient in their stereotypical rendering through a majorly Occidental lens, the negotiation of the same with the Occident is a rather realistic and variegated experience, and calls for an examination of marginal...

Artemia Franciscana and Preference Regarding the Effects of Light, Temperature, and pH.

1260 words - 5 pages Introduction The Artemia franciscana can survive in extreme conditions of salinity, water depth, and temperature (Biology 108 laboratory manual, 2010), but do A. franciscana prefer these conditions or do they simply cope with their surroundings? This experiment explored the extent of the A. franciscanas preference towards three major stimuli: light, temperature, and acidity. A. franciscana are able to endure extreme temperature ranges from 6 ̊...

A very brief history of chemistry. Includes important scientists and their contributions to the advancement of chemistry.

655 words - 3 pages The History and Progression of ChemistryThe birth of the modern atomic theory. In 1750, Rudjer Boscovich, a scientist born in what is now Croatia, suggested the theory that atoms were "uncuttable" might have been wrong. Boscovich thought that atoms contain smaller parts, which in turn contain still smaller parts, and so forth down to the fundamental building blocks of matter. He felt that these building blocks must be geometric points...

The Laramie Project and Shakespeare

1349 words - 5 pages Artistic creations can be a means for the exploration of human attitudes, feelings and behaviors. The performing arts are an example of an artistic media that can be utilized in this way. For example, the use of theatre and film can be applied as way to explore some of the human attitudes, feelings and behaviors that are related to topics such as tolerance, acceptance, anger, hatred and also forgiveness. Two such performing arts examples are...

Please, wait while we are validating your browser

0 comments

Leave a Reply

Your email address will not be published. Required fields are marked *