Experiment 4A – Counting Atoms in a Chemical Reaction Purpose: The purpose of this lab is to create an experiment where zinc reacts with hydrochloric acid in order to find out the number of moles and atoms of zinc reacted. This can be accomplished by weighing the sample before and after the reaction with hydrochloric acid. Data: Material Mass in grams (g) Initial mass of dry beaker 49.37 Initial mass of dry beaker + zinc 51.03 Initial mass of zinc 1.66 Final mass
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2000 works‚ you can get started on your Web site. In this chapter you begin by designing your school Web site. When you have a blue print in place‚ managing the site is much easier in the long run. Although you can always return to a Web site and arrange pages after you have finished creating the site‚ you may find it easier to manage the Web site if you plan ahead. You also want visitors to your site to be able to navigate easily between pages on your Web site without losing track of where
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Observation and Experiment Data Table A. The Overall Reaction What are the physical properties of the individual substances? Chemical Observation Calcium Chloride Grainy‚ White Sodium Bicarbonate White‚ flour texture Phenol Red Solution The color of Hawaiian punch‚ thin consistency‚ semi- transparent What happens when the substances are mixed together? Observations Calcium Chloride- Foams and heats up when mixed with the phenol red. Turned orange Sodium Bicarbonate- Turned orange
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TRAINING DESIGN 1. INTRODUCTION The design of the training program can be undertaken only when a clear training objective has been produced. The training objective clears what goal has to be achieved by the end of training program i.e. what the trainees are expected to be able to do at the end of their training. Training design or instructional design is the process of creating a blueprint for the development of instruction. Whether the training is to be conducted in a classroom‚ delivered using
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Engineering design generally involves five steps : developing a statement of the problem and/or a set of specifications‚ gathering information pertinent to the problem‚ designing several alternatives that meet the specifications‚ analyzing the alternatives and selecting the best one‚ and testing and implementing the best design. Discuss how is ethical problem solving shares similar attributes with engineering design. Ethical problem solving shares similar attributes with engineering design. Both
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Kean Gerard Sumayo Experiment 1 APPLICATION OF STATISTICAL CONCEPTS IN THE DETERMINATION OF WEIGHT VARIATION IN SAMPLES I. OBJECTIVES 1. To determine the use of the different statistical concepts 2. To perform the proper applications of the statistical methods/ concepts on determining the weight variations of samples II. RESULTS and DISCUSSIONS A. Weight of Samples Ten 1-peso coins were used as samples for this experiment and were weighed carefully
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Is it normally acceptable to experiment on non-human animals to develop products and medicines that benefit human beings? New scientific research has cast grave doubt on the safety testing of hundreds of thousands of consumer products. Everyday products‚ from soft drinks to paints‚ contain numerous synthetic chemicals. Official assurances of the safety of these chemicals are based largely on animal experiments. But recent results from a consortium in America suggested such assurances may be worthless
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Brenda Richardson Intro. to Psych. Chapter 6 Part 2 Loftus Experiment Elizabeth Loftus‚ a psychologist and expert on memory‚ has conducted much research on human memories‚ real and imagined‚ and how that may happen. Loftus‚ personally‚ has experienced the misinformation effect and eyewitness memory. Even though there are several experiments outlined‚ I chose the ’Lost in the Mall’ experiment as more fitting to the sex abuse testimony she gave. Participants‚ twenty-four of them‚
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Section November 7‚ 2012 Abstract The effect of water and fertilizer on corn seedlings was examined. It was hypothesized before the experiment that enough water with sunlight and air should make the plants grow healthy. It has to do with photosynthesis. Fertilizer is also going to make the plants grow much faster; this is because of the nutrients in it. The experiment took about four to six weeks to complete; it took some days for the seed to germinate before planting. The corn was growing there were
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WAN Design Today’s network administrators must manage complex wide-area networks (WANs) in order to support the growing number of software applications that are built around Internet Protocol (IP) and the Web. These WANs place a great demand on network resources‚ and require high-performance networking technologies. WANs are complex environments that incorporate multiple media‚ multiple protocols‚ and inter-connection to other networks‚ such as the Internet. Growth and manageability of these network
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