Use tongs to move crucible and cool down. 9. Find mass using balance‚ record data. 10. Add 2g alum to crucible‚ weigh and record mass. 11. Set on burner‚ heat with cover loose for 5 minutes. 12. Use tongs to remove the crucible and allow it to cool. 13. Measure and record the data for the mass. 14. Repeat until constant mass is obtained
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to a constant mass. c) To convert grams to moles. d) To determine the percent of water in a hydrate sample. e) To determine the formula of a hydrated compound. MATERIALS AND EQUIPMENT- 1) Balance 2) Clay triangle 3) Crucible 4) Crucible tongs 5) Burner 6) Iron ring 7) Ring stand 8) Scoopula 9) Wire gauze 10)
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mốc chôn trên mặt đất‚ vị trí các mốc này được xác định thống nhất trong hệ tọa độ VN-2000. Mạng lưới khống ché trắc địa cơ sở chia thành các cấp hạng‚ được đo đạc bằng nhiều loại công nghệ khác nhau xây dựng qua nhiều giai đoạn theo nguyên tắc từ tổng thể đến cục bộ‚ từ độ chính xác cao đến độ chính xác thấp. Lưới cơ sở tọa độ Quốc gia của Việt Nam hiện nay là lưới tọa độ không gian 3 chiều dựa trên cơ sở lưới GPS cấp “0”. Mạng lưới đã được đưa về hệ quy chiếu quốc gia là Ellipxoid quy
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FOOTWEAR MARKET IN HONG KONG TABLE OF CONTENT 1. Outlook of footwear in Hong Kong 1.1 Introduction .. .. .. 1.2 Market segment .. .. 1.3 Market trend .. .. .. 2. Product features .. 2.1 Style trend .. 2.2 Size .. .. 2.3 Brands .. 2.4 Seasonal feature .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. ..
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flammable‚ and burning alcohol causes it to vaporize‚ along with the water present in the solution. This removes heat from the note and prevents it from reaching its combustion point. Materials Bill/Dollar bill (higher denomination if you’re brave) Tongs container Matches or a Lighter Salt (or one of these chemicals if you want a colored flame) Solution of 50% alcohol and 50% water (you can mix 95% alcohol with water in a 1:1 ratio‚ if desired) Produces 1. Prepare the alcohol and water solution
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Charpy Impact Test Report Table of Contents Statement of Intent…………………………………………………………………………………..3 Background……………………………………………………………………………………………….3 Equipment…………………………………………………………………………………………………5 Procedure………………………………………………………………………………………………….6 Data and Analysis………………………………………………………………………………………7 Conclusions……………………………………………………………………………………………….11 Works Cited………………………………………………………………………………………………12 Statement of Intent The purpose of the experiment was to run a Charpy Impact Test and compare
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the greatest amount of people” (Tong‚ 2007). The donor would be happy they contributed to someone’s life. The family would be happy they did the right thing society deemed acceptable‚ and the recipient of course would be happy with the gift of life. I believe the family does not have the right to interfere with a person’s wish to donate upon death. This is based on Autonomy “people have their own set of values and are able to deliberate courses of actions”. (Tong‚ 2007).
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Chemistry Lab Report example: Chemistry Laboratory Report (Magnesium Oxide) INTRODUCTION: As we learned before on how to determine the empirical formula of a compound based on the test and also chemical analysis on it. Hence this experiment is mainly goes around with how to determine the empirical formula of Magnesium Oxide following various tight procedures in order to get the knowledge and apply it onto another compounds. We are investigating the empirical formula of Magnesium Oxide in this
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Materials • Apron • 250-mL Beaker • Bunsen Burner • Calorimeter • Goggles • Graduated cylinder • Matches • Metal • Ring stand • Ring • Water • Wire gauze • Tongs • Thermometer Methods 1. Find the mass of the metal provided by the teacher. 2. Place 75.0 mL of water into the middle cup of your calorimeter. 3. Heat about 100 mL of water in your 250-mL beaker with the Bunsen burner
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electric can opener is a very useful device which is used to open canned goods with ease and accuracy. * | Food Processor | * A food processor is a multi-tasking tool which is used to slice‚ dice or whip food ingredients. | Food Tong | * Food tongs is an instrument with two hinged or sprung arms for
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