Science
2,223 Science Free Papers: 1,161 - 1,170
-
Lab - Temprature Assignment
1 INTRODUCTION As practically every material used in engineering design is affected by temperature, its measurement is significant. A thermometer is a commonly used instrument used to measure the difference or change in temperature. A thermometer shows the change of a physical property of a substance, caused by a change
Rating:Essay Length: 504 Words / 3 PagesSubmitted: November 14, 2012 -
Lab 1 Chm 412 - Recrystallization and Melting Point
CHM 412 ORGANIC CHEMISTRY EXPERIMENT 2: RECRYSTALLIZATION AND MELTING POINT Chemicals - Acetanilide about 1-2 g Apparatus 1. 1 Erlenmeyer flask 2. 1 hot plate 3. 1 short stem/stemless gravity filter funnel 4. 1 beaker (100ml) 5. 1filter paper 6. 1 Buchner funnel 7. 1 Buchner flask 8. 1 rubber
Rating:Essay Length: 1,238 Words / 5 PagesSubmitted: November 5, 2017 -
Lab 3 Answer Sheet
HITP 112 Fa 13 Lab 3 Answer Sheet Question 1 1. What does the darker, “H” shaped matter consist of? Gray matter which consists of unmyelinated fibers, cell bodies, and dendrites. It has the two upper “arms” called posterior horns, the two lower “legs” called anterior horns, a small projection
Rating:Essay Length: 457 Words / 2 PagesSubmitted: March 13, 2019 -
Lab 3 Biology 121
Name: Gabriella Gomez Cheek Cell DNA-Lab Report Sheet Exercise 1 – Isolating Cheek Cell DNA Analysis of Results Appearance of Solution What is happening to the cells/DNA? After lysis buffer Started off hydrophobic. It clumped together and sank to the bottom of the liquid, after shaking it a few times,
Rating:Essay Length: 408 Words / 2 PagesSubmitted: March 20, 2019 -
Lab 7 Weather
Abstract: This lab is important because it gives a better understanding of weather and climate and how it affects our lives and futures. To learn more about the subject we figured out the condensation temperature using the metal cup and ice. We found that the dew point outside is higher
Rating:Essay Length: 941 Words / 4 PagesSubmitted: February 13, 2017 -
Lab 7: Spectra
Cui Tiara Cui WED Lab 22 February 2017 Lab 7: Introduction to Spectroscopy 1. Assumptions 1. This result of the gas tubes exhibiting radiation verifies our current description of the orbital structure of the atom as any charged particle moving on a path emits electromagnetic radiation. Therefore, by having the
Rating:Essay Length: 447 Words / 2 PagesSubmitted: February 22, 2017 -
Lab Acid Titration
Conclusion In part 1, the different household substances were tested to obtain there pH value, ranged from 2 to 10. The vinegar and lemon juice had the lowest pH due to their acidity which it was expected, and the ammonia and toothpaste had the highest pH. In part 2, the
Rating:Essay Length: 395 Words / 2 PagesSubmitted: November 21, 2011 -
Lab Aspirin (acetylsalicylic Acid)
Test 1 17.4 with filter and crystals and funnel 14.98 FAIL Test 2 14.5 filter and funnel 18.93 with all (crude mass) 4.43g/2 = 2.215 Recrystallized mass was 15.81 1.31/2 = .655 Theory Yield 2.6122825 Actual yield = recrystalized is 2.215 Percent yield 84.79174821 percent Lab Report 1 A Introduction
Rating:Essay Length: 318 Words / 2 PagesSubmitted: September 6, 2011 -
Lab Grown Meat’s Economic and Moral Impact
Lab Grown Meat’s Economic and Moral Impact The goal of the scientists at Maastricht University in Netherlands, is to decrease the amount of slaughtered animals and invent a meat that is made from the tissue of an animal without harming the animal. The amount of consumption of meat in the
Rating:Essay Length: 272 Words / 2 PagesSubmitted: February 15, 2017 -
Lab Organic Chemistry
lab 1 Introduction This lab is designed to help the student become familiar with some of the common measuring devices used in organic chemistry. The student will also determine volume and density of objects. The Assignment After reading all of the safety precautions in your lab manual, you will be
Rating:Essay Length: 739 Words / 3 PagesSubmitted: February 6, 2014