Medicine Analysis – Synthesising Aspirin results After recrystallisation differences between the crude and purified aspirin were noted. The impure (crude) aspirin was powered and fluffy with small clumps and was slightly yellow in colour whereas the pure aspirin has a less fluffy crystalline powder and was whiter. This showed distinct differences in the two substances but similarities were also apparent showing aspirin‚ in some level‚ was created. Before recrystallisation the crude aspirin could
Free Aspirin Carboxylic acid Purity
Properties and uses; Gold is a pure chemical substance that consists of one type of atom‚ in other words it is a pure substance. You can find gold on the periodic table with the symbol Au and an atomic number of 79 (this is also known as the proton number). Gold is a metal which is soft‚ shiny‚ malleable‚ ductile and dense. It is also a very special metal as it is very rare and resists attacks by most acids. Pure gold has a bright yellow colour which does not oxidize in air or water and therefore
Premium
10. Errors and Redesign. Throughout this experiment a number of random and procedural errors were apparent; these errors could have affected the results of the experiment in a number of ways. One experimental error that occurred during the experiment was that some flies became stuck in the food source and died. The main cause of this was the fact that the fly vials were stood up (vertically) before the flies had fully recovered from the anaesthetic. This could be overcome in future experiments by
Premium Gene Chromosome Genetics
McDonalds has always been able to face the challenges that arise when trying to expand to foreign cultures. They have successfully expanded to over a hundred countries‚ including countries in East Asia. In the book “Golden Arches East” by James L. Watson‚ he studies different cities and how McDonalds has played a role in their cultures. Three places that he mentioned in his writing were Beijing‚ Seoul and Japan. They all share similarities in the way the culture was impacted positively and negatively
Premium Culture East Asia The Culture
How do we arrive at our musical taste? Is musical taste an individual consideration or purely a product of our social circumstances? How do people acquire musical taste and what do they use the music for? The pure intention of this essay is to decode and critically examine the meaning of taste in a sociological attempt‚ of how we acquire and arrive at our musical taste and what we use the music for‚ with the support of different arguments presented in intellectually defused articles of numerous
Premium Sociology
“On Sunday (March 1)‚ a small group of armed civilians killed a Serbian wedding guest and wounded the priest.” The war broke out between Sarajevo and Pale after the attack of armed civilians from Pale on Sarajevo. Comparing to Zlata’s Diary with the book The Freedom Writers‚ both the books has wars in different issues but has similar consequences. Zlata’s Diary has a conflict between two countries which created the war. The Freedom Writers Diary has gang wars because of discrimination between races
Premium Freedom Writers War High school
Indian Economy and the curse of Gold The Indian economy grew at around 5% for the fiscal year ending March 31‚ 2013‚ down from 6.2% the previous year. With economic growth slowing for nearly three years now and the economy expected to grow at around 4.8% this year‚ the slump is attributed to several persistent structural issues – prominent amongst which a widening Current Account Deficit (CAD). To quote the RBI governor‚ "The biggest risk to the economy stems from the CAD." CAD represents
Premium Investment Bretton Woods system Gold standard
All that glitters is not gold is a well-known saying‚ meaning that not everything that looks precious or true turns out to be so. This can apply to persons‚ places‚ or things that promise to be more than they really are. The expression‚ in various forms‚ originated in or before the 12th century[1] and may date back to Aesop.[2] Chaucer gave two early versions in English: "But all thing which that schyneth as the gold / Ne is no gold‚ as I have herd it told‚" and "Hyt is not al golde that glareth
Premium William Shakespeare Led Zeppelin Gold
Sweet Whispers‚ Brother Rush Virginia Hamilton‚ Author 1983 John Newbery Honor Book Sweet Whispers‚ Brother Rush by Virginia Hamilton was awarded the John Newbery Honor in 1983. Sweet Whispers‚ Brother Rush tells the story of Teresa‚ at teenage girl who starts up a relationship with the ghost of her deceased uncle. In this book Virginia Hamilton places Teresa in a peculiar situation. However‚ by challenging traditions and taboos in black culture‚ Teresa figures out what she must do for her family
Premium African American Black people Race
The author Robert Frost has an excellent gift for putting words into finished works of poetry. His poem “Nothing Gold Can Stay” is no exception. Although short‚ it delivers a deep point and meaning to the reader. Life is such a delicate thing and most of it is taken for granted. The most beautiful‚ special time in life generally passes in what could be a blink of an eyes. Even in such a short poem‚ he describes what would seem to be an eternity or a life time in eight simple lines. Change is inevitable
Premium Poetry Rhyme Stanza