ANSWERS TO QUESTIONS: 1. What are the significant regions in the titration curve? Relate the characteristics of each region to the pH results obtained. - There are four significant regions in each titration curve‚ namely the initial‚ pre-equivalence‚ equivalence‚ and post-equivalence points. These points are named according to its position relative to the equivalence point. The equivalence point signifies the volume of titrant at which the solution becomes neutral. This is represented in the
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March 20‚ 2013 Quiz Study Guide 1. 1928 Kellogg-Briand Pact outlawed war as a solution to international rivalry 2. 1932 Stimson doctrine declared that the U.S. would not recognize any territorial acquisition achieved by force of arms 3. Because of the benefits that it conferred on labor‚ Samuel Gompers called the Clayton Anti-Trust Act “labor’s Magna Carta.” 4. Because the United States raised its tariffs in the 1920s European nations raised their tariffs‚ the post war chaos in
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* Question 1 0 out of 1 points | | | Which bond or interaction would be difficult to disrupt when compounds are put into water?Answer | | | | | Selected Answer: | A. hydrogen bond | Correct Answer: | C. covalent bond | | | | | * Question 2 1 out of 1 points | | | What is the atomic number of the cation formed in the reaction illustrated above?Answer | | | | | Selected Answer: | D. 11 | Correct Answer: | D. 11 | | | | | * Question 3 1 out
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HCR240 Human Pathophysiology Lesson 1 Quiz This assignment is worth 40 points. Please make sure you have answered all questions prior to submitting. Once you click the submit button‚ you will not be able to return. Question 1 of 40 A 9-year-old patient is admitted to a pediatric unit with Duchenne muscular dystrophy. Which of the following traits was this condition inherited from? Sex-linked dominant Sex-influenced Sex-limited Sex-linked recessive Question 2 of 40 A 70-year-old
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CSS QUIZ (paper2) 1. CSS can be defined for entire sites by simply writing the CSS definitions where ? a) Plain Text document b) Head section of each page c) Body section of each page d) none 2. Netscape and Internet Explorer supports CSS in which way ? a) Exact same‚ since CSS is a cross browser standard by W3C b) Very different on older browsers‚ closer to the same on newer c) Completely different‚ nothing is cross browser safe. d) none 3. In CSS‚ you have the following
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Concepts of C. Wright Mills’ The Promise of Sociology C. Wright Mills was an astounding sociologist‚ social critic‚ and idealist. His writings and character sparked debate within the sociological community. He advocated that one key purpose of a sociologist was to create social change against the oppression of government. In The Promise of Sociology‚ C. Wright Mills explores the imagination of a sociologist through the understanding of social analysis and the idea that society interrelates with
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Cornstarch (1 point) Positive d. Unknown 1 (1 point) Negative e. Unknown 2 (1 point)Positive f. Unknown 3 (1 point)Negative g. Unknown 4 (1 point)Negative 4. The Sudan III test has been performed for you. Please see the image below to answer question 4a-g: Were the following substances positive or negative for lipids‚ as indicated by the Sudan III test? (7 points) a. Oil (O) (1 point) Positive b. Butter (B) (1 point) Positive c. Flour (F) (1 point) negative d. Unknown 1 (1 point)positive
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be able to use a calculator. We strongly recommend that you sit this examination as if you were writing it in an invigilated setting. You will get a much better idea of your degree of preparedness for the actual examination. Part A: Short–answer Questions (1 mark each) 1. Calculate the density of bromine‚ given that 120.0 mL has a weight of 374.3 g. Report your answer to the correct number of significant figures and in units of g/mL. 2. What is the name of the compound FeCl3? 3. What is the chemical
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Name: __________________________ Date: _____________ 1. Suppose the reaction Ca3(PO4)2 + 3H2SO4 3CaSO4 + 2H3PO4 is carried out starting with 103 g of Ca3(PO4)2 and 48.8 g of H2SO4. How much phosphoric acid will be produced? A) 48.8 g B) 32.5 g C) 131.2 g D) 73.2 g E) 65.1 g 2. Naturally occurring element X exists in three isotopic forms: X-28 (27.979 amu‚ 92.21% abundance)‚ X-29 (28.976 amu‚ 4.70% abundance)‚ and X-30 (29.974 amu‚ 3.09% abundance). Calculate the atomic weight
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PAGE 1 MULTIPLE CHOICE 1. What is the ground-state electronic configuration of an oxygen atom (oxygen: atomic number 8)? (a) 1s22s12p5 (b) 1s22s22p4 (c) 1s12s12p6 (d) 1s22s22p2 2. Which of the following species has an atom that has an unfilled valence shell of electrons? (a) molecular hydrogen‚ H2 (b) hydroxide anion‚ HO- (c) boron trifluoride‚ BF3 (d) water‚ H2O 3. Which of the following compounds is a ketone? (a) CH3CH2COOH (b) CH3CH2CHO (c) CH3CH2CH2OH (d)
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