-HH equation > pH= pKa + log (base/acid) (initial concentrations) *Conditions for HH eqn: 1) value of Ka for the conjugate acid-base pair should be in the range of 10^-4 -10^-11 2) ratio of base and acid must be between .1 and 10 3) values of acid and base should be between 10^-3 and 1 M 21-2 Buffers BUFFER SOLUNTIONS SUPRESS A CHANGE IN pH WHEN A SMALL AMT OF EITHER AN ACID OR BASE IS ADDED -when working with dilute solutions we work in mmol -calculating mmols of base
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Questions 1. Multitasking refers to how a computer appears to work on more than one problem (or for more than one user) at a time. It is accomplished by the computer’s ability to break a task into many smaller subtasks. The subtasks of one problem (or user) are interspersed with subtasks of another problem (or user). The computer appears to be performing both tasks at the same time‚ when in fact only a single subtask is performed at a time. 2. Information specialists are employees with the
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ACCOUNTING INFORMATION SYTEMS Wikipedia: An accounting information system (AIS) is a system of collection‚ storage and processing of financial and accounting data that is used by decision makers. An accounting information system is generally a computer-based method for tracking accounting activity in conjunction with information technology resources. The resulting statistical reports can be used internally by management or externally by other interested parties including investors‚ creditors and
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Introduction Computerization is a control system that manages the process in industrial workplace. It reduces human errors and processing time‚ thus it can boost productivity and results into high quality of product produce. In an information system‚ computerization is concerned about interrelating different but interdependent transactions. This can result in a system with well-integrated processes that can perform much faster and more accurate than a manual system. Enrollment is the process of entering
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Executive Summary Accounting information system is an extremely important role in the enterprise management. As technology advances‚ the system software is constantly improving‚ constantly enhance the function of the system‚ thus improving the efficiency of enterprise management. Accounting information system network and multi-function trend is more obvious‚ how is the fastest way to management to provide the latest information to help decision-makers analysis‚ forecasting‚ decision-making‚ improve
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Licensed to: iChapters User Licensed to: iChapters User Management Information Systems‚ Sixth Edition by Effy Oz Product Manager: Kate Hennessy Developmental Editor: Deb Kaufmann Editorial Assistant: Patrick Frank Content Project Manager: Aimee Poirier Marketing Manager: Bryant Chrzan Marketing Specialist: Vicki Ortiz Compositor: GEX Publishing Services Print Buyer: Justin Palmeiro Cover photo: ©Walter Pietsch / Alamy Images COPYRIGHT © 2009 Course Technology‚ a division of Cengage
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MANAGEMENT INFORMATION SYSTEM NOLAN STAGE HYPOTHESIS The stages-of-growth model is a theoretical model for the growth of information technology (IT) in a business or similar organization. It was developed by Richard L. Nolan during the 1970s‚ and published by him in the Harvard Business Review.[1] [edit]Development Both articles describing the stages were first published in the Harvard Business Review. The first proposal was made in 1973 and consisted of only four stages.[2] Two additional
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Explain one of the principles of cognitive psychology and how it can be demonstrated… Define cognition - Refers to a process that is based on one’s mental representations of the world‚ such as images‚ words and concepts. People likewise have different experiences and therefore each individual will have different mental representations of the world. For example: what boys can do‚ girls cannot do this cognition will influence the way they act . State principle 1- Cognitive psychologists believe that
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of a Comprehensive Student Information System (SIS) and User Interface for the Honors College at USF Sean M. Motta 1‚ 2 Advisor: Ms. Sharon Geiger 2 1 Department of Mechanical Engineering‚ USF College of Engineering 2 USF Honors College Design of a Comprehensive Student Information System (SIS) and User Interface for the Honors College at USF Sean M. Motta 1‚ 2 Advisor: Ms. Sharon Geiger 2 1 Department of Mechanical Engineering‚ USF College of Engineering 2 USF Honors College Abstract
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Running Head: GENERAL SYSTEMS THEORY General Systems Theory General Systems Theory Strengths Weaknesses Although there are several strengths when organizations utilize general systems theory‚ there are also weaknesses to this modernistic approach. One example of a weakness is the issues organization may face when one subsystem fails. This can become contagious and cause the organization serious system issues. If one subsystem fails‚ then the others may not be able to produce without it. An option
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