substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor. Data Table 1: Estimation of various measurements | Measurement | Estimated | Actual | % Error | Length (m) | | | | Time (s) | | | | Mass
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The lab performed was laboratory techniques and measurements. The purpose of this lab was to familiarize ourselves with different techniques used in the lab‚ taking proper measurements‚ and how to use the International System of Units (SI). Throughout lab we learned about mas‚ volume‚ length and temperature‚ and to be able determine density and concentration. To be able to documents properly and make effective observations we must be able to understand the International Measurement System. Length
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additional market for vegetable oils and animal fats. Biofuel is an organic‚ non-toxic and biodegradable fuel made from everyday renewable resources. It can power your car ’s engine and help the environment at the same time. It doesn ’t contain any petroleum. Biofuel cuts down on CO2 emissions; in fact‚ it ’s the only alternative fuel to have fully completed the health effects testing requirements of the US Clean Air Act. Biofuel is a renewable source of energy that can help reduce greenhouse gas
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In both Macbeth and “The Laboratory” we have a very ambitious woman who is willing to resort to murder to accomplish her ends. Both women are not afriad to kill‚ both use a lot of descriptive language‚ and both are planners. The main similarity between the two of them is that both are open to murder and neither has any moral problems with it. In “The Laboratory” the narrator describes how she is going to kill her lover’s mistress. NOW that I‚ tying thy glass mask tightly‚ May gaze thro’
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in grams of hydrogen gas required to form 1.00 x 103 g ammonia. Your Turn 2 • If you react 52.9 g of potassium chlorate (KClO3) with excess phosphorus‚ what mass of tetraphosphorus decoxide (P4O10) would be produced. KClO3 (s) + P4 (s) → P4O10 (s) + KCl (s) Answer: 36.8 g P4O10 Stoichiometry • In the real world‚ reactions do not always have 100% efficiency. • Often‚ use an excess of one of the reactants (usually the cheaper one). • Limiting Reactant – reactant that will be totally
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THE STORY OF "GREENFREEZE" In the spring of 1992 Greenpeace brought together scientists who had extensively researched the use of propane and butane as refrigerants‚ with an East German company DKK Scharfenstein. The company had been producing refrigerators for 50 years and was the leading household appliance manufacturer in the former East Germany. After reunification‚ however‚ it faced severe economic problems and was due to be closed down. The meeting between the scientists and DKK Scharfenstein
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GCSE ENGLISH LIT POETRY CLASHES AND COLLISIONS The Exam Structure You will answer two questions on poetry. The exam will last one hour and forty-five minutes and is worth 25% of your total GCSE. The exam is divided into two sections: Section A: Unseen Poetry • You will be presented with a poem you have not studied. • You read through the poem and answer the questions set. This section is worth 20 MARKS Section B: Anthology Poems • You will answer 1 question in 2 parts. • Each part is worth 15
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Title: Laboratory Techniques & Measurements Purpose: To become familiar with the International System of Units and common laboratory equipment and techniques. To learn how to determine volume‚ mass‚ length‚ and temperature of a wide variety of items. To learn how to calculate density and concentration of dilutions. Procedure: I used a ruler‚ thermometer‚ and scale to take measurements. I used a graduated cylinder‚ short step pipet‚ scale‚ and ruler to determine volume and density. I used a
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12U Equilibrium Unit Test Multiple Choice K/U Identify the letter of the choice that best completes the statement or answers the question. ____ 1. When solid lead(II) phosphate is in equilibrium with its ions‚ the ratio of lead(II) ions to phosphate ions is which of the following? a. 1:1 d. 2:3 b. 1:2 e. 3:2 c. 2:1 ____ 2. In a saturated solution of silver phosphate‚ the concentration of silver ion is 4.5 10-4 mol/L. The Ksp of silver phosphate would be which of the following
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Recognizing Laboratory Safety Purpose: The purpose of this lab is to stay safe no matter what you’re doing in lab. You may be working with dangerous materials such as glass or acid. Procedure: I am following the procedure described in pages 21-24 in the Biology Laboratory Manual. Observations: Does not apply to this lab Answers to Questions: 1. The flask symbol means glassware safety. Glassware can be broken easily. 2. The goggle symbol means that you are working with fire. It is extremely
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