`Chemistry is important because it resides within almost everything around us. Many products we use for cleaning are mixed chemicals that are suitable for cleaning. Foods are often flavored with artificial flavoring that are safe-to-eat chemicals. The atomic make up of an item might make it very versatile depending on needs such as durability of steel for buildings. The biochemistry inside of all living things keep life going. Almost all technology‚ present and future‚ is dependent on the chemical
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AndrewGuerrero BIO 125 Lab Due November 14‚ 2012 Practical Exam 1. a. The symbionts (Paramecium) of the termite belong to the kingdom Protista b. Paramecium living in the intestines of termites breaks down the cellulose walls of wood fibers releasing proteins that are absorbed by the termites’ digestive system. Paramecium benefit by having an environment to thrive and they ingest the wood fibers for their own nutrition as well. 2. c. An important ecological effect
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CHM130 Lab 2 Measurements: Accuracy and Precision A. Data Tables (36 points) Place your completed data tables into your report here: Data Table 1 Measurement Data Length of aluminum plastic packet 5 cm Height of aluminum plastic packet 6.5 cm Temperature of faucet water 23°C Temperature of ice water 11°C Volume of water in 10-mL graduated cylinder 10 ML Volume of water in 50-mL graduated cylinder 10 ML Data Table 2 Measurement Data Inside diameter of 50-mL graduated cylinder 2.5 cm
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energy. Chemistry is defined as the study or science of this ever changing matter. Or chemistry is essentially the study of materials and the development of new materials for the betterment of humanity. We use chemistry from the beginning of the day till its end‚ the toothpaste we use to brush our teeth is made of abrasives‚ fluoride‚ and detergents. It is a very simple fact that chemistry plays an important role in every person’s daily activities from the moment we’re born. The role of chemistry usually
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too long (shriveling is a common misconception)‚ a tea bag’s contents diffuse through the water. These are all examples of diffusion and osmosis. These phenomena happen everyday and people don’t realize what is actually happening. The purpose of the lab is to see the effects of diffusion and osmosis. In part B‚ the higher the concentration of solute‚ the higher the mass of the solution. Methods and Materials: For part A of the experiment‚ the following items are needed: Dialysis tubing‚ IKI solution
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What does chemistry do to help us and how important is it? To go about answering these questions‚ we must find out where in our daily activities‚ chemistry is involved and how it benefits us. Without realising‚ chemistry is used in all part of our lives and some of its features are more recognised by specific user groups‚ for example a kid wouldn’t be interested in how chemistry makes their fathers shaving foam more lubricant. I believe looking at the problem from this perspective would
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James Lafeel Prof. Twomey 5/25/11 Philosophy Short paper#2 1. Describe Plato’s view on the Forms and Aristotle’s view on the forms. Which do you find more plausible? Why? In this paper I will be discussing the view on the forms‚ of both Plato and Aristotle. For starts‚ Plato’s views on the Forms are basically describing the true meaning about material objects in the world. Like for example viewing a desk in a class room‚ should be looked at as more than just what we see
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Niharika Palakodety‚ Victoria Wang‚ and Grace Xiong Mrs. Rhonda Smith Honors Chemistry Period 4 13 May 2012 Redox Reactions Lab Report We wished to investigate the oxidation number of a metal that would form aqueous ions when reacted with an aqueous nitrate salt. For this purpose‚ we chose to investigate the reaction of solid copper metal‚ in the form of a wire‚ with aqueous silver nitrate. Before we began the lab‚ we hypothesized that when silver nitrate‚ AgNO3‚ reacts with copper‚ Cu‚ the
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ry SL Chemistry Name______________________________________________ IB Guide to Writing Lab Reports Standard and Higher Level Chemistry 2010-2011 Table of Contents page 1 Explanations‚ Clarifications‚ and Handy Hints page 2 - 13 IB Laboratory Evaluation Rubric page 14 - 15 Formal Lab Report Format page 16 Error Analysis Types of Experimental Errors page 17 Error Analysis: Some Key Ideas page 18 Precision and Accuracy in Measurements A Tale of Four Cylinders
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Writing an Organic Chemistry Lab Report Components of a Laboratory Notebook The following components should be contained for each experiment‚ along with any additional material required by your instructor. • Title and date • Introduction (purpose‚ reaction) • Physical data (including calculations) • Procedure outline • Data and observations • Discussion of results (conclusions) Prelab Title and Date Give the title of the experiment and the date on which
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