Spectrophotometric Analysis of Cobalt and Nickel Purpose Understand the function of the Spectronic 20 Spectrophotometer‚ the Perkin-Elmer recording UV-visible spectrophotometer and reveal the concentrations of nickel and cobalt in an unknown solution. Procedure In the Lab: Part B: Complex Formation Pipette 20mL aliquots into a 150mL beaker. Do the same with cobalt nitrate and nickel nitrate. Add between 0.70g and 0.90g of EDTA to each of the cobalt nitrate and nickel nitrate. Add 1.5g of EDTA to the
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Ehrenreich’s book explains and describes the condition of the working poor in the United States. To write this book the author who is a well-known journalist at the New York Times decides to experience being a low-wage worker for a few months. She gives up her middle class life to become and live as a working poor. This was not to be a social experiment that was to recreate a poverty social scenario‚ but it was ‚ in fact‚ to see if she could maintain a lifestyle working low wage paying
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chapters four and five to “they say” Three ways to respond to “yes/no/okay‚ but” and Distinguishing what you say from what they say. “And Yet” Gerald Graff‚ Cathy Birkenstien and Russel Durst say that “you need to be an expert in a field to have an argument at all” (p‚55). Are they referring to an actual job like a lawyer? where they are good on arguing about a certain topic. You must have some sort of topic to go off of to argue your case‚ and to make it believable for others. As for agreeing or disagreeing
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Emily Fontenot AP English III Summer Reading I. Journal: After playing the game Spent‚ I learned that low-wage workers have to sacrifice many things in life and make difficult decisions. For example‚ if two bills are due at the same time‚ they may have to choose which one to pay. Also‚ they are not able to provide their children with many things most kids take for granted. Children of low-income families may have to miss out on birthday parties‚ field trips‚ and even meals because their
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ARGUMENTS VS EXPLANATIONS EXPLANATIONS An explanation is a group of statements that try to show how or why something is or will be the case. Specifically‚ we use an explanation when we try to explain what makes a claim true. The event or the phenomenon in question is usually accepted as a matter of fact. Explanations do NOT prove why something is the case. Every explanation is composed of two parts: The explanandum (a statement that describes the event that is supposed to be explained)‚ and
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In academic writing‚ an argument is usually a main idea‚ often called a “claim” or “thesis statement‚” backed up with evidence that supports the idea. In most college papers‚ one needs to make some sort of claim and use evidence to support it. One’s ability to do this will separate a good paper from other papers. We use argument in everyday life to convince somebody of my ideas or opinion‚ convince our teachers we deserve a better grade. A better argument is accomplished if no emotion is involved
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Useful Argumentative Essay Words and Phrases Examples of Argumentative Language Below are examples of signposts that are used in argumentative essays. Signposts enable the reader to follow our arguments easily. When pointing out opposing arguments (Cons): Opponents of this idea claim/maintain that… Those who disagree/ are against these ideas may say/ assert that… Some people may disagree with this idea‚ Some people may say that…however… When stating specifically why
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react under reflux to form a transition metal ion of Nickel(II)‚ that further more react with nickel acetate to form red crystals through condensation‚ the colour being constituded by the congugated bonds. These series of reactions synthesize the Schiff Base ligand and Nickel(II) complex of the Schiff base ligand. 0.36g of the Schiff base ligand is yielded and 0.1g of the nickel complex is yielded from the 0.36g Schiff base ligand and 0.5g nickel acetate. Introduction We perform two separate reactions
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Working Mothers All mothers are working mothers‚ but those who have a career away from home have an extra challenge in their life. In many families today‚ mothers continue to work because they have careers that they have spent years developing. Some mothers need to work to support their family. I’m against working mothers because she will be bad mood most of the time‚ she will not have time for her home and children‚ and can’t have fun time because she is busy every weekend. The first
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With the key terms explained by the first speaker‚ let us examine our motion once again. Mass media is the major contributor to teenage social problems today. In the light of our definitions‚ is this a valid proposition? Let us consider some arguments in favor of this proposition. I‚ as the opposition’s deputy minister‚ disagree with the motion because I believe that teenagers can make use of the mass media as a platform to voice out their opinions on current issues. With the existence of
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