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Article last reviewed: 2019 | St. Rosemary Institution © 2010-2020 | Creative Commons 4.0
Aim: To investigate how different concentrations of sodium chloride affect the rate of corrosion on iron nails. Theory: Corrosion is the degradation of a metal due to chemical reactions between it and its surrounding environment (Bell, 2015). It is most commonly associated with rust, in particular the rusting of metals such as iron. Iron corrosion…
Doctor Who is a science-fiction television series that consists of a range of science references. The Doctor is a character who displays talent and smarts. David Tennant and Tom Baker was just two actors who have played the part of The Doctor. Tom Baker, the fourth doctor, is the longest running actor to play the…
TLC is thin layer chromatography, chromatography in which compounds are separated on a thin layer of adsorbent material, typically a coating of silica gel on a glass plate or plastic sheet. Lab coats and safety glasses must be worn as Ethanol which is flammable, Ethyl Ethanoate which is volatile, highly flammable and the vapour may…
Abstract In this experiment, 1.41M sodium chloride aqueous solution was prepared and quantitatively transferred into a 250ml volumetric flask to further diluted to 0.141M. The transfer was inspected to be complete by attempting to precipitate with silver nitrate solution. Sand was successfully separated from 600ml water by vacuum filtration. The Pasteur pipet was calibrated to…
Shakespeare’s original play, Romeo and Juliet and Luhrmann’s appropriated version, both investigate different types of conflict. The two texts are set in completely contrasting social and historical contexts of Elizabethan England to Southern California in Verona Beach. Despite the contrast of the two settings, both texts explore the external conflict which stemmed from the family…
The Berlin Wall was a barrier that divided Berlin from 1961 to 1989. Constructed by the German Democratic Republic (GDR, East Germany), starting on 13 August 1961, the Wall completely cut off West Berlin from surrounding East Germany and from East Berlin. At the end of World War II, the Allied powers divided Germany into…
Jean-Jacques Rousseau General Information Jean Jacques Rousseau, was born at Geneva on June 28th, 1712. He was an influential Genevan philosopher, writer, and composer of 18th-century Romanticism. His political philosophy deeply influenced the major revolutions like the French Revolution and the American Revolution. Political and Social Views He was and is a national hero to…
Chapter 1 What is the World State’s motto? Where does the story begin? In what year? Explain what is happening at the Hatchery and Conditioning Center. What is Bokanovsky’s Process? What is the result? What are freemartins? What symbol are they given? What are the five castes of the World…
ADAPTATION – The process of adjusting to a different environment. BRANDING – A name, term, design, symbol, or any other feature that identifies one seller’s good or service as distinct from those of other sellers. CROSSCULTURAL SYMBOLS – The meanings of symbols across several cultures. CUSTOMS BROKERS – An authorized agent specialized in customs clearance…
International Business: Includes all commercial transactions (such as private and governmental, sales, investments, and transportation) that take place between two or more regions, countries, and nations beyond their political boundaries Balance of Trade: The difference in value between a country’s imports and exports Balance of Payments: The difference in total value between payments into…
Plant-like protest (phytoplankton)… contains flagella, are sensitive to light (eyespots), are autotrophic, and responsible for most of the oxygen in the air. Euglenophyta aka Euglena (plant like) No shells Can be photosynthetic but if in darkness long, will become saprophyte Found in stagnant and fresh water Asexual reproduction via binary fission Pellicle Chrysophyta (diatoms and…
Introduction In this lab, our purpose was to calculate the value of X in the chemical equation CuSO4 ∙ XH2O using our knowledge of percent composition. The only information we were given was that the value of X is somewhere between one and ten which indicates the number of water molecules there are that hydrate…
Atoms An atom is a building block of all matter (all things that are solid/liquid/gas). An atom the smallest single building block that makes up all mater. An atom is made of: protons, neutrons and electrons. Element An element is 2 or more of the same atom. E.g. – O3. The periodic table of elements…
The theme of appearance versus reality is central to the Shakespearean play The Tragedy of Macbeth. It is a play full of ambition, betrayal, madness, and the supernatural. Macbeth and Lady Macbeth must hide their true thoughts in order to prevent others from knowing what they have done while different characters comment on the difficulty…
SOCIOLOGY AND ANTHROPOLOGY The peasant majority of such a society was always tended to regard city dwellers as aliens and oppressors often with good reason. In Greece, on the contrary, the farmers who produced the wine and oil essential to urban commerce regarded themselves and were regarded by others as the ideal type of citizen.…
William Blake’s Songs of Innocence and of Experience contain parallel poems that contrast innocence and experience. Two such poems that share the name “The Chimney Sweeper” both depict a young boy working the deadly job of a chimney sweeper but in startlingly different ways. The narrator of “The Chimney Sweeper” in Songs of Innocence lives…
Boccaccio’s Decameron is a series of tales told within a frame narrative by ten different authors over a period of ten days. In these tales, the idea of fortune being the controller of actions is visible. The differing characters varied experiences show they are at the whim of Fortune, whether this Fortune be a divine…
Dissociation – The separation of ions that occurs when an ionic compound dissolves Net Ionic Equation – Includes only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution. Spectator Ions – Ions that do not take part in a chemical reaction and are found in solution both before…
In December of 1950, William Faulkner was awarded a Nobel Prize in Literature, his acceptance speech titled “The Writer’s Duty”. Faulkner’s post WWII speech targets young writers and persuades them to see the importance of literature. He strategically arranges the speech, chooses specific stylistic elements to use, and appeals to his audience in many ways,…
“There was a cold November wind blowing through 116th Street.” You’re alone in an unfamiliar, grimy and bitter city, just looking for a place to spend the night. The Street by Ann Petry is a novel about a woman, Lutie Johnson, who finds herself in this situation. The relationship between Lutie Johnson and the urban…