rock powder. Objective: 1. To learn the techniques and mechanisms of preparing rock powder; which will be used as a sample for Bernas Bomb and XRF/ XRD techniques. 2. To know the processes and machines used in the rock crushing and sample preparation. Apparatus/ Machine: Hammer‚ face helmet (or goggles) and mask‚ rock powder container‚ plastic bag‚ spoon‚ gloves‚ labelling sticker and pen‚ cleaned Jaw crusher and TEMA Mill (i.e. laboratory disc mill). Material: Sample rock of Granite
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Laboratory Safety Standards Jill Olson A school science laboratory is an excellent setting for students to explore and investigate the world around them. Almost every part of students’ lives is affected by science. Allowing them to see‚ touch‚ and manipulate objects in a laboratory situation gives students the real world experience to get them excited about science and to prepare them for college and beyond. However‚ James A. Kaufman‚ director of the Laboratory Safety Institute‚ proposes that
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observation procedures. His assignment that December 31 included taking test measurements at a client’s grain elevator in a small prairie community. Bill had measured grain invento-ries on two previous audits and was the in-charge accountant on this audit. Bill’s observations of the quantity of grain in the elevator fell ten percent below the client’s records. Bill’s attention was drawn to the discrepancy in the two measurements of what was in the elevator because‚ in his judgment‚ such a gap was significant
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Lab Report 1: Measurement Lab Date: January 17‚20XX Lab Partners: XZ Report Date: January 24‚2014 Report Written by: XXXXXX Introduction: Measurement is a form of quantitative observation. The ability to make accurate and precise quantitative observations is crucial to science. Accuracy in this sense refers to the closeness of the measured result to the hypothetical “true” value (Motzny 2014). Having a precise measurement implies its exactness.
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Chapter 6 Chemical Reactions and Quantities The Mole General‚ Organic‚ and Biological Chemistry Copyright © 2010 Pearson Education‚ Inc. 1 Collection Terms A collection term states a specific number of items. 1 dozen donuts = 12 donuts 1 ream of paper = 500 sheets 1 case = 24 cans General‚ Organic‚ and Biological Chemistry 2 A Mole of Atoms A mole is a collection that contains the same number of particles as there are carbon atoms in 12.0 g of carbon 12C 6.02 x 1023 atoms of
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ENZYMES LABORATORY REPORT Introduction The utilization of any complex molecule for energy by an organism is dependent on a process called hydrolysis. Hydrolysis breaks complex molecules into simpler molecules using water. Similarly‚ the process that is the reverse of this is called dehydration synthesis‚ which removes water from simpler molecules. However‚ because hydrolysis occurs very slowly‚ living organisms use biochemical’s called enzymes to speed up the reaction. In this lab exercise
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JEET SCIENCE ACADEMY CHOWK AZAM (LAYYAH) TIME 2.5 Hr CHEMISTRY 1st YEAR CH # 1‚2‚9‚10 Marks: 85 G.Super . 1 Name…………………………………………...... Objective ROLL NO. ………………………………. Q.NO.1. Encircle the correct answer? (1×17=17) 1. Atoms of which one of the follelement have independent existance: (A) Flourine (B) Krypton (C ) Oxygen (D) Nitrogen 2.18g glucose is dissolved
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Acid used. 3: 2 Fe2(SO4)3 + 2 H2 + 4 NO ? 4 Fe.NO.SO4 + 2 H2SO4 The Fe.NO.SO4 forms a brown ring in the middle of the solution produced by the reaction‚ making it easy to identify the presence of nitrates in the water. 4. LABORATORY METHOD In laboratory Cl2 gas is
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Scientists require a large amount of equipment in order to successfully plan‚ complete‚ and analyze experiments they conduct. The specific apparatus used varies significantly from lab-to-lab and depends mostly on that particular lab’s planned experiments. However‚ most lab equipment falls into one of a relatively small number of categories. Glassware The bewildering array of available glassware includes several specialized pieces of equipment that scientists use to measure liquids and crystallize
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Section: Bio 202 labpaq rep 01 LAB REPORT: ENDOCRINE SYSTEM You must get all parts of the question correct to get credit for the question Step 1 (Can be observed on the following slides‚ either from your lab kit or from the Labpaq web site (http://www.labpaq.com/ex-1-endocrine-system)). List the following: · Location in the body of the following structures · Slide #/location observed · One hormone secreted by each Please pay special attention to properties like shapes‚ sizes
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