Chemistry Internal Assessment: Determining the Enthalpy Change of a Displacement Reaction AIM: To determine the enthalpy change for the reaction between copper(II) sulfate and zinc. BACKGROUND THEORY: Bond breaking is endothermic while bond forming is exothermic. The reaction between copper(ll) sulfate and zinc is exothermic as the energy required to form the bonds of the products is greater than the energy required to break the bonds of the reactants. In an exothermic reaction‚ heat is
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AC552 Week 5 Homework Please complete the below problems and submit your answers in the Week 1 Dropbox. See "Syllabus/Due Dates for Assignments & Exams" for due date information. 1. You are on a tight budget and need to decide between the following 3 texting plans: Plan A: Pay $0.10 per text Plan B: Pay a fixed monthly fee of $15 for up to 500 texts per month and $0.08 for each text over the 500. Plan C: Pay a fixed monthly fee of $25 for up to 1‚000 texts per month and $0.05 for each text
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that were due for completion by the end of FY10. Key achievements over the term of the current three-year action plan include: • a 43% reduction in the amount of waste sent to landfill‚ driven by continuous improvement in recycling rates on cardboard‚ paper and plastic film; a sustained reduction in the amount of resin used to produce the same number of plastic carry bags; the launch of the David Jones “Community and Environment” webpage which provides information to interested stakeholders about
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Cut out the pictures from the cards and hang with a ribbon as holiday decorations. Use the fronts of old cards as postcards. Cut out the flowers or objects from wrapping paper and cards to decorate a scrapbook with. Cover the outside of a sturdy cardboard box with wrapping paper‚ with the top flaps cut off. Use the box to fill as a "gift box" instead of a "gift basket". Send the card fronts to St.Jude’s Ranch for children‚ where they make the cards into new cards. Cut out the shapes and pictures from
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Once Upon a Mattress – Theatre Critique A musical parody on the classic bedtime story‚ The Princess and the Pea‚ Once upon a Mattress takes a less serious but all the more hilarious take on the famous princess tale. For a matinee session this past Sunday‚ the Players at the Wimberley Playhouse in the quaint and exuberant hill country town of Wimberley‚ Texas‚ performed this parody for a small local audience at their theatre. The production may have been small‚ and the stage may not have been
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Rorschach inkblot test was presented to the world in 1921. Rorschach inkblot is comprised of a selection of ten cards with inkblots. The inkblot designs are unique in character they are nearly symmetrical‚ the blots are also centered when printed on the cardboard. Five of the ten inkblot cards are printed in black and white while the remaining five consist of two black and red ink on white cards and three multi – colored ink on white cards (Reilly‚ 2008). The inkblots are intended to incite some form of
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Gatsby starts to reveal his real identity and personality‚ we find out that Gatsby’s “Oxford man” personality is just a façade and is false. The man in Gatsby’s library quotes that “I thought they’d be a nice durable cardboard. Matter of fact‚ they’re absolutely real.” The word cardboard is often associated with vulnerability and easy wear. This can offer the interpretation that Gatsby’s persona is fragile and weak. However‚ Fitzgerald uses the word “real” in the same quote; this challenges the vulnerability
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Discussions and Scientific Explanations The first goal of this project was to first construct a calorimeter. The second goal was to measure the heat capacity of the constructed calorimeter. The third and fourth goal was to determine what reactions were to be investigated and what variations of the reactions would be studied. The two requirements that were kept in mind while creating the calorimeter were that it should be a good insulator‚ meaning that it does not allow for the transfer of heat
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neglected for over 100 years‚ and it is time for it to end; The United Nations needs to step in and help the Dalit people. A clean environment is something everyone should have the right to‚ yet Dalits live in impoverished neighborhoods with cardboard houses filled with seven to eight people right next to sewer drainage systems. It is extremely overcrowded and this leads to unsanitary
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The Vina San Pedro Case Summary Lionell C. Henderson Northwood University MBA 676: Integration & Implementation Richard DeVos Graduate School of Management Fall 2015 Evening – Cedar Hill‚ Texas Professor Tara Peters‚ Ph.D. 1. Problem / Key issues. a. What is the main problem to be solved? How should the president of Vina San Pedro‚ Matias Elton‚ (the protagonist)‚ situate the company for expansion while enlarging shareholder profit? b. What are the key issues (sub-problems) that need
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