Determination of the Rate Constant for a Chemical Reaction Department of Chemistry Abstract This experiment was performed to determine the rate constant k‚ for hydrolysis of tertiary butyl chloride to tertiary butanol. The solvent system for this reaction is 45% isopropyl alcohol and 55% water. The rate of hydrolysis of t-butyl chloride is measured by the decrease in the concentration of this reagent with time. The rate of decomposition of t-butyl chloride must be equal to the rate of formation
Premium Chemical reaction Chemistry Reaction rate
EXPERIMENT 2 ACID DISSOCIATION CONSTANT OF AN INDICATOR DYE OBJECTIVES Using spectrophotometric method: determine the wavelengths at which the acid and base forms of the dye in aqueous medium exhibit maximum absorption; determine the molar absorptivities of the acid and base forms of the dye and estimate an unknown concentration of the dye in solution using the Beer-Lambert’s Law; and determine the acid dissociation constant of the indicator dye. THEORY The absorption or reflection of
Free PH Acid dissociation constant
TRADE UNION MEMBERSHIP 2011 Nikki Brownlie A NATIONAL STATISTICS PUBLICATION About this publication The statistics in this publication are National Statistics. This means they comply with the UK Statistics Authority standards. The UK Statistics Authority is an independent body operating at arm’s length from government as a non-ministerial department‚ directly accountable to Parliament. It was established on 1 April 2008 by the Statistics and Registration Service Act 2007. For more information
Premium Trade union Employment Trade unions
Anna Donnelly Mrs. Ybarra English III DC – 7th 10/17/13 Beyond the Orchard Step by step‚ crunch by crunch‚ my bare feet tread over the dried‚ brown pine needles under me. I look to my left and see green‚ as far as I can see. Green everywhere‚ carpeting the ground‚ coating the trees‚ and screening the trail from the persimmon colored sky overhead. I look to my right and see a decaying wooden fence separating the trail from a grove of trees with little green fruits hanging off of the branches
Premium Sun Horizon Sky
Gabriel Prosser’s Slave Conspiracy In the year 1800 several slaves decided to put up a fight for their rights as American citizens. Gabriel Prosser‚ a very large‚ black slave‚ helped to gather a large sum of fellow slaves and began to plan a revolt‚ create weapons and ammunitions‚ and secretly plot their attack. This secret attack remained a secret attack for quite sometime until the governor and a few others caught wind of the slaves’ plans. A few letters had been written in regards of a rebellious
Premium Slavery in the United States American Civil War United States
INTRODUCTION This class was prepared for a group that likes to participate in class . They are more than 30 students ‚so everybody participation is a difficult task. They have studied less than a year. Many students work and they do not have many opportunities to practice ‚ then the class must give them the chance to use the language. In the previous lesson taught about the use of Used to- did not use to‚ Students were able to participate and they did their class activity. However‚ they
Premium Language education Teaching English as a foreign language Second language acquisition
Chapter 2: Stress: The Constant Challenge DEFINITIONS stress response The physiological changes associated with stress. stress The collective physiological and emotional responses to any stimulus that disturbs an individual’s homeostasis. autonomic nervous system The branch of the peripheral nervous system that‚ largely without conscious thought‚ controls basic body processes; consists of the sympathetic and parasympathetic divisions. parasympathetic division A division of the autonomic
Free Sympathetic nervous system Autonomic nervous system Parasympathetic nervous system
Among many contemporary poets‚ Gabriel Okara makes his stand as one of the most influential Nigerian lyricists. Okara speaks of the same impressions of the controversial novelist Chinua Achebe. In the poem "Piano and Drums‚" Gabriel Okara shows the contrasts between the past life and the modern world. Some aspects in his poem date back before the beginning of civilization. In this essay I will reflect on Okara’s concepts and visions. The poem is effectively written in Verse Libre or free verse.
Free Poetry Chinua Achebe Gabriel Okara
Assessment Task 2: Early educators of the Deaf in Australia. Sister Mary Gabriel Hogan (Ellen Hogan): Unfortunately because of poor records kept at the time there are a few different dates of Ellen Hogan’s actual birth‚ but it was in August 1842‚ 1843 or 1844 in Dublin and died November 25th 1915‚ then put in her final resting place at Sandgate Cemetery‚ Newcastle. Her parents were John Hogan and Mary McMahon. When Ellen was either 7 or 8 years old she caught Scarletina (also known as Scarlet
Premium Deaf culture Hearing impairment Deafness
ideologies at an early age‚ as evidenced in the story. In the first few paragraphs of Gabriel Garcia Marquez’s “One of These Days‚” the author uses rich imagery‚ foreshadowing‚ and symbolism to illustrate the way an average citizen can take a stand against his government‚ just as the Liberals revolted against the Conservative Party of Colombia. The opening paragraphs of the story are laden with imagery‚ which
Premium United States American Civil War President of the United States