CHEMISTRY 221 LABORATORY�QUANTITATIVE ANALYSIS EXPERIMENT: DETERMINATION OF ASCORBIC ACID IN VITAMIN C TABLETS THEORY: Ascorbic acid‚ C6H8O6‚ MM = 176.13‚ can be oxidized to form dehydroascorbic acid by bromine via the following reaction: The bromine or iodine used in the titration is generated by adding an excess amount of KBr or KI to an acidified solution of the sample according to the following reaction: BrO3- + 5 Br- + 6 H+ 3 Br2 + 3 H2O IO3- + 5 I- + 6 H+
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Question 1 Which one of the following operators computes the remainder of an integer division? Answer / % \ ! .2 points Question 2 Which one of the following is defined as a sequence of characters? Answer String Constant Integer Variable .2 points Question 3 Which one of the following variables is assigned with valid literals? Answer int salary = 0; salary = 5000.50; unsigned short salary1 = 0; salary1 = 1E6; double salary2
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2001: A Space Odyssey Three million B.C. The gunpowder for a smashing evolutionary hit was amassing for a long time‚ but the necessary spark came from an outside help‚ which soon set the whole world ablaze. From this heated inferno‚ came the most proficient species ever to grace the planet. And now man has to be prepared for what comes next. Arthur C. Clarke skillfully proves the point that ’truth is stranger than fiction’ in his remarkable book - 2001: A Space Odyssey. He also carefully examines
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BASIC INPUT/OUTPUT The C++ standard libraries provide an extensive set of input/output capabilities which we will see in subsequent chapters. This chapter will discuss very basic and most common I/O operations required for C++ programming. C++ I/O occurs in streams‚ which are sequences of bytes. If bytes flows from a device like a keyboard‚ a disk drive‚ or a network connection etc. to main memory‚ this is called input operation and if bytes flows from main memory to a device like a display screen
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Although Arthur’s tale has not been proven factual‚ real or not real‚ it still contains universal truths that can apply to many facets of modern day life. Through the author’s use of setting‚ the point is significantly furthered in the text provided. Arthur and the CEO’s stories may have been played out in different locations and time periods‚ but Arthur’s overarching message still holds truth in both works of literature. Author’s story took place in the mythical land of Camelot (which some believed
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possible try experimenting with concepts revealed by each question. 3. There are 20 objective type questions on ANSI C. PART - A With every use of a memory allocation function‚ what function should be used to release allocated memory which is no longer needed? a.) b.) c.) d.) unalloc() dealloc() release() free() What will print when the sample code above is executed? a.) b.) c.) d.) y= y= Compiler Error y= The definition of a above explicitly initializes its first four elements. Which one
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cplusplus.com C++ Language Tutorial Written by: Juan Soulié Last revision: June‚ 2007 Available online at: http://www.cplusplus.com/doc/tutorial/ The online version is constantly revised and may contain corrections and changes The C++ Language Tuttoriiall 2 © cplusplus.com 2008. All rights reserved This document and its content is copyright of cplusplus.com © cplusplus.com‚ 2008. All rights reserved. Any redistribution or reproduction of part or all of the content in any form is prohibited
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computing systems. a. Reduced-function IT b. Last gen software c. Legacy systems d. Bloat-ware 2. Enterprise systems are integrated ISs that support core business processes and functions. How is integration achieved? a. Integration is achieved by connecting wired and wireless computer networks so they can share applications. b. Integration is achieved by outsourcing to vendors that replace stand-alone ISs with a single IS. c. Integration is achieved by linking databases and data warehouses
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Task C 026 A) There are many different sings‚ symptoms‚ indicators and behaviours that may cause concern of a child in you care‚ some signs may be Unexplained bruising or burns that keep recurring Wearing heavy clothing even in hot weather Bald patches of hair Running away from home‚ many times Fear of medical examination Aggression towards self (self-harming) and others Fear of physical contact Some signs you may notice with neglect could be that the child is always tired or hungry
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audience‚ purpose and the link or relevance to the context (FLAP+C) You will also explain the relationship between your writing and the selected text‚ that is; how you have drawn on the text to inform your writing about the Context. You will use metalanguage to explain the decisions you have made about specific structures and features‚ and how language choices of authors you have studied have influenced these decisions. Understanding FLAP + C You can usually discuss your chosen form‚ purpose & audience
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