Back Titrations Question 1 A 10.0 g piece of rusty steel wool is dissolved in 200.00 ml of 1.00 M sulfuric acid. The excess sulfuric acid is determined by titration with a 0.500 M sodium hydroxide solution. 300.00 mL of sodium hydroxide is required to neutralise the acid. What was the % purity of iron in steel wool? Question 2 A 3.145 g sample of a certain lead ore containing lead(II) carbonate‚ PbCO3‚ was heated gently with 25.00 mL of nitric acid of concentration
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Perseus Birth • The king of Argos‚ named Acrisius‚ went to an oracle because he was upset about not having a son. This oracle foresaw that his daughter‚ Danae‚ would have a son with Zeus that would one day kill him. To keep Danae from having children‚ Acrisius locked her in a bronze tower. One day‚ Zeus came to her and turned the prison into a field of flowers. When Acrisius saw light coming from the tower‚ he ordered his men to tear down a wall and found Danae with a baby on her lap
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The Great Gatsby F. Scott Fitzgerald ← Key Facts → full title · The Great Gatsby author · F. Scott Fitzgerald type of work · Novel genre · Modernist novel‚ Jazz Age novel‚ novel of manners language · English time and place written · 1923–1924‚ America and France date of first publication · 1925 publisher · Charles Scribner’s Sons narrator · Nick Carraway; Carraway not only narrates the story but implies that he is the book’s author point of view · Nick Carraway narrates
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DECLARATION OF PECUNIARY INTEREST RE: COMMITTEE MEMBERS What is a Pecuniary Interest? A pecuniary interest is the opportunity‚ directly or indirectly‚ to profit or share in any profit derived from a transaction. According to Tazmania’s information Sheet 2008‚ you have a pecuniary interest when‚ if a matter before council‚ or any other committee‚ is decided in a particular way you will gain‚ lose or save money‚ gain a financial advantage‚ or suffer a financial disadvantage; could be expected
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Question #1 | | | Jamie wants to earn $500 in interest so she’ll have enough to buy a used car. She puts $2000 into an account that earns interest. How long will she need to leave her money in the account to earn $500 in interest? | | | | Question #2 | | | A local bank is advertising that you can double your money in eight years if you invest with them. Suppose you have $1000 to invest. What interest rate is the bank offering? | | | Try These | | | | | | | |
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INTEREST INVENTORIES * assess the child’s likes and dislikes or the preferences * questionnaires that ask you about your likes and dislikes in a wide range of general activities. Your answers are used to develop a personal interest profile‚ which is then compared to the profiles of other students or to groups of people who are successfully employed in various occupations. A high level of similarity between your profile and the profiles of students in particular majors or people in particular
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Multimedia Presentation The e-learning lesson presented by Kristin to other teachers focuses on student learning styles and differentiated learning styles uses several e-learning principles to promote critical thinking skills in teachers. Kristin uses an assessment to enhance the worked example with the teachers through collaboration and feedback. She follows the guidelines that should be applied in a presentation in order for the learner to benefit most from the presentation. Kristin’s presentation
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with a 2% interest rate‚ or in a five year certificate of deposit with and interest rate of 4.5%. Calculate how much interest you would earn with each option over five years time with continuous compounding. I’m going to do this for my checking and savings account amount Checking Account A = Ce^RT My total money in the checking account is 2100 dollars Since the formula for the continuous compounding is A=Ce^RT where C is the initial deposit or capital‚ T for time‚ R is the rate of interest and A
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creative ways. One of the strategies we have chosen to use is by administering an interest inventory to our students. By graphing the results of the interest inventory‚ we can better visualize the interests of our students and create lessons according to what interests them most. As with most people‚ adults included‚ if we do something we enjoy‚ we will do a better job of completing the assignment. Original Interest Inventory Amusements and Other Activities 1. What do you usually do after
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Types of communication Can you come up with all the different forms/types of communication? (the next slide might help you) Why is having different types of communication Important? Having different forms of communication between people helps to exchange ideas and information… It also has positive outcomes for people such as self-esteem‚ building relationships and security/safety whereas poor communication can make people feel venerable and worthless leading to mental health problems. Non
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