Courtney Dean Green Design and technology. 11/5/2013 Assignment 4 (25 points) In Section 4‚ you learned about green transportation. Now‚ you’ll apply what you learned. 1. Of the alternative fuels and energy sources for vehicles you learned about in Lesson 1‚ which one do you think is best for the environment? Talk about the environmental impact of your choice and why your choice is better than the other alternatives. (3-8 sentences. 5.0 points)
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then recorded the new volume and subtracted the two recordings equaling the volume of the unknown. 4. We then calculate the density by dividing the mass by the volume. 5. We then remove the metal cylinder‚ dry it and repeat to get the other two densities. Then record the measurements and density for each trial and then average the densities. Part 2: Calibration of a Buret 1. Get 4 small beakers‚ clean and dry them‚ then record the mass of each. 2. Get & Fill the buret past
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# Now You See It – Copper Cycle Lab The purpose of the lab is to discover what happens when someone executes a series of procedures‚ beginning with copper metal. What is done | What is observed | 1. Started with copper‚ Cu (s). | reddish‚ brownish‚ orange-ish‚ powder-like | 2. Added nitric acid‚ HNO3 (aq). | acid turns blue and smells like chlorine. | 3. Added water‚ H2O (l). | stayed the same | 4. Added sodium hydroxide‚ NaOH (aq). | changed consistency‚ gel-like | 5. Heated the
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* * * Data Measurement Lab Report Three BIO 100 Lab Jackie H. Andrews July 13‚ 2013 * * * * Abstract: In this laboratory we utilize simple measures of physical quantities (for example‚ distance‚ and mass) and use the measurements to calculate or convert other physical quantities (such volume and area). We also use mathematical calculations and formulas to make conversions from one unit of measurement into another unit of measurement (for example‚ a
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Purpose: The purpose of this lab is to identify the presence of cations and anions in four unknown solutions by identifying whether they are copper‚ silver‚ iron‚ or chloride ions which is done by adding sodium hydroxide‚ solid copper‚ silver nitrate‚ and potassium thiocyanate to the solutions and analyzing the chemical reactions. Introduction: Chemical change‚ unlike physical change is the change in the composition of a substance rather than simply its shape‚ size‚ or state (Marie‚ 2015). Signs
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Lab 1: Microscopy and the Metric System Part A: 1. List the components of the compound microscope and their function. 2. determine the total magnification given that you are using a compound microscope with the following objectives: 4x‚ 10x‚ 40x‚ and 100x 3. what is meant by the depth of field? 4. what is meant by the field of view? 5. describe the process of making a wet mount. ________________________________________________________________________________ 1. -Focal adjustment; used
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Practical 4 Title: To study the magnification of a real image by a convex lens. Objective: To determine the focal length of a convex lens. Apparatus and Materials: 1. Light box 2. Convex lens 3. Plasticine 4. Meter rule 5. Screen 6. Short transparent ruler Setup: 1. Set up the apparatus as shown in Figure 4-1. Figure 4-1 Theory: From the lens equation: Where: p = object distance q = image distance Linear magnification‚ Procedure: 1. The apparatus
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(correct answer‚ your response) • e • f • g • h 3. Points earned: 1 out of 1 View exercise 3. ver un partido de fútbol • a • b (correct answer‚ your response) • c • d • e • f • g • h 4. Points earned: 1 out of 1 View exercise 4. salchichas • a • b • c • d • e • f • g • h (correct answer‚ your response) 5. Points earned: 1 out of 1 View exercise 5. ir en avión • a • b • c • d • e • f (correct answer
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English 400 - Essay #4 Context: Race. A controversial topic‚ if there ever was one. Although our society seems to be making strides towards eradicating this ever-present problem‚ the reality is that it is still a danger that surrounds us all the time‚ every day. While overt racism may not be as prevalent as in times past‚ there still exists subtle discrimination and racism that affects people’s interactions with others. Thus‚ it is important to always maintain an ongoing dialogue about race
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