Free Essays on Nathaniel Hawthorne And The Scarlet Letter

The theme of the story is sin because Hester, Dimmesdale, and Chillingworth all have some sort of sin. Good and evil battle within each character and battle between the characters. Each character has some good in them, but sin makes each one evil. The scarlet letter is an outward symbol of shame, but instead it becomes a powerful symbol of identity to Hester. The letter’s meaning changes in the story. Originally intended to mark Hester as an adulterer, the â€Å"A† eventually comes to stand for â€Å"Able.† At the end of the novel, Hester continues to wear the â€Å"A† even as she counsels other people with their problems. Leech was another name for a physician during that era. The word has two meanings in the story. Roger Chillingworth was the physician and â€Å"leech†. Chillingworth also was like the animal, leech, because he was sucking the life out of Arthur Dimmesdale. Chillingworth latched on to him, lived with him, and gave him stra nge medicines that made from herbs. The color red is used many times by Hawthorne. The reader sees it in the rose bush by the prison, in the scarlet letter worn by Hester, in Pearl’s clothing, in Chillingworth’s eyes, and in the streak of the meteor. Red means passion. It is a bright color that marks things and draws people’s attention to the object or person. Black represents gloom, death, and evil. The reader especially sees this in the frequent use of the term â€Å"Black Man† that means the devil. First, the brook has a melancholy sound to it, which describes the tone of the novel. The Scarlet Letter is not a happy story. Second, the brook separates reality from fantasy. It separates the reality that Hester and Dimmesdale can never be together from the fantasy that they want to be together. Lastly, the brook is water that cleanses. When Dimmesdale kisses Pearl, she goes to wash off the kiss. It is like she is washing off Dimmesdaleâ€℠¢s sin. Hester was forced to publicly f... Free Essays on Nathaniel Hawthorne And The Scarlet Letter Free Essays on Nathaniel Hawthorne And The Scarlet Letter The theme of the story is sin because Hester, Dimmesdale, and Chillingworth all have some sort of sin. Good and evil battle within each character and battle between the characters. Each character has some good in them, but sin makes each one evil. The scarlet letter is an outward symbol of shame, but instead it becomes a powerful symbol of identity to Hester. The letter’s meaning changes in the story. Originally intended to mark Hester as an adulterer, the â€Å"A† eventually comes to stand for â€Å"Able.† At the end of the novel, Hester continues to wear the â€Å"A† even as she counsels other people with their problems. Leech was another name for a physician during that era. The word has two meanings in the story. Roger Chillingworth was the physician and â€Å"leech†. Chillingworth also was like the animal, leech, because he was sucking the life out of Arthur Dimmesdale. Chillingworth latched on to him, lived with him, and gave him stra nge medicines that made from herbs. The color red is used many times by Hawthorne. The reader sees it in the rose bush by the prison, in the scarlet letter worn by Hester, in Pearl’s clothing, in Chillingworth’s eyes, and in the streak of the meteor. Red means passion. It is a bright color that marks things and draws people’s attention to the object or person. Black represents gloom, death, and evil. The reader especially sees this in the frequent use of the term â€Å"Black Man† that means the devil. First, the brook has a melancholy sound to it, which describes the tone of the novel. The Scarlet Letter is not a happy story. Second, the brook separates reality from fantasy. It separates the reality that Hester and Dimmesdale can never be together from the fantasy that they want to be together. Lastly, the brook is water that cleanses. When Dimmesdale kisses Pearl, she goes to wash off the kiss. It is like she is washing off Dimmesdaleâ€℠¢s sin. Hester was forced to publicly f...

Bronsted-Lowry Acid Definition

Bronsted-Lowry Acid Definition In 1923, chemists Johannes Nicolaus Brà ¸nsted and Thomas Martin Lowry independently described acids and bases based on whether they donate or accept hydrogen ions (H). The groups of acids and bases defined in this manner came to be known as either Bronsted, Lowry-Bronsted, or  Bronsted-Lowry acids and bases. A Bronsted-Lowry acid is defined as a substance that gives up or donates hydrogen ions during a chemical reaction. In contrast, a Bronsted-Lowry base accepts hydrogen ions. Another way of looking at it is that a Bronsted-Lowry acid donates protons, while the base accepts protons. Species that can either donate or accept protons, depending on the situation, are considered to be amphoteric. The Bronsted-Lowry theory differs from the Arrhenius theory in allowing acids and bases that dont necessarily contain hydrogen cations and hydroxide anions. Key Takeaways: Bronsted-Lowry Acid The Bronsted-Lowry theory of acids and bases was proposed independently in 1923 by Johannes Nicolaus Brà ¸nsted and Thomas Martin Lowry.A Bronsted-Lowry acid is a chemical species that donates one or more hydrogen ions in a reaction. In contrast, a Bronsted-Lowry base accepts hydrogen ions. When it donates its proton, the acid becomes its conjugate base.A more general look at the theory is as an acid as a proton donor and a base as a proton acceptor. Conjugate Acids and Bases in Bronsted-Lowry Theory Every Bronsted-Lowry acid donates its proton to a species which is its conjugate base. Every Bronsted-Lowry base similarly accepts a proton from its conjugate acid. For example, in the reaction: HCl (aq) NH3 (aq)→ NH4 (aq) Cl- (aq) Hydrochloric acid (HCl)  donates a proton to ammonia (NH3) to form the ammonium cation (NH4) and the chloride anion (Cl-). Hydrochloric acid is a Bronsted-Lowry acid; the chloride ion is its conjugate base. Ammonia is a Bronsted-Lowry base; its conjugate acid is the ammonium ion. Sources Brà ¶nsted, J. N. (1923). Einige Bemerkungen à ¼ber den Begriff der Suren und Basen [Some observations about the concept of acids and bases]. Recueil des Travaux Chimiques des Pays-Bas. 42 (8): 718–728. doi:10.1002/recl.19230420815Lowry, T. M. (1923). The uniqueness of hydrogen. Journal of the Society of Chemical Industry. 42 (3): 43–47. doi:10.1002/jctb.5000420302