Extraction of caffeine from tea bags ABSTRACT Caffeine extraction from the commercial tea leaves (Lipton Yellow Label Tea) that was done is multiple extraction. 4 tea bags were used in the experiment; tea leaves were weighed having 8.5333 grams. The leaves were boiled in a beaker with 150ml of water; the aqueous tea extract was transferred in a seperatory funnel mixed with DCM (20ml)‚ done thrice. The DCM layer was washed with 20ml 6M NaOH in the seperatory funnel; the organic layer was dried
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Tatyana Thompson CST 105- 38 Professor Simon September 18‚ 2013 Any Old Bag Speech Reflection The “Any Old Bag Speech” was definitely an eye opener for me. This speech opened my eyes to things that I most definitely have to improve on‚ refine‚ and learn how to be a good speaker in front of an audience. What I learned from the video was I that I actually love the quality of what I have to say. It is very detailed and tells exactly what I want to say. Furthermore‚ I was very surprised to see how
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Work Measurement on Katsa Bag Production (Gifts and Graces: Cainta‚ Rizal) I. Rationale Environmental issues and problems started to arise last decade. Awareness and drive to solve these problems has grown to 89% (NIHERST‚ 2008) since 2008. This has resulted to different campaigns and movements such as the Earth Hour Campaign‚ where everyone is encouraged to switch off household lights for an hour and the birth of eco-friendly products into the market. One of the most in demand and popular
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Diapers Bags for Dads So‚ men need to carry diaper bags for dads too. They love to take care of baby as much as moms do and so the right diaper bags for dads can make it easier and more fun and keep men as involved in baby care as they want to be. A cute but girly bag is sure to make most men shy away from carrying a diaper bag thus denying them the pleasure of taking care of baby.Diaper bags for dads should make it easy for dads to carry baby’s diapers‚ bottles‚ wipes‚ toys‚ pacifiers‚ change of
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Medicine Bag” have both similarities and differences. One story is based on a girl and her adventure to get the medicine bag and the other is based on a boy who goes through a journey with his native grandfather to get the medicine bag. They both receive a medicine bag that protects the main characters‚ Martin from “The Medicine Bag” and Dachina from “Rite of Ritual” in their long journey of life. “The Medicine Bag” and “Rite of Ritual” are similar because they both received a medicine bag. Also‚
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time we use a new plastic bag they go and get more petroleum from the Middle East and bring it over in tankers‚". "We are extracting and destroying the Earth to use a plastic bag for 10 minutes.". They harm wildlife and marine life-plastic bags are now in all places in our environment‚ and animals‚ on land and water‚ are getting choked‚ strangled and killed by them. They create litter-Aside from polluting beaches and waterways‚ plastic bags for example in China plastic bags are blowing around streets
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Scott Williams Shofner‚ 2nd Comp. 1 September 22‚ 2014 Making Ice Cream in a Bag Have you ever made homemade ice cream? It can be a lot of fun‚ and you end up with a tasty frozen treat! Craving for ice cream is a frequent passion that everyone has. Once one faces this passion‚ one usually makes a run down to the local grocery store for a pint of ice cream. But that’s not necessary‚ don’t go running down to the store or market for an ice cream fix. If the house consists of these core ingredients:
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Introduction Speech: Any Old Bag Speech Goal: To ease speaker’s apprehension‚ facilitate enjoyment‚ and provide for an atmosphere where students learn about themselves and one another. Assignment: Prepare and present a short speech (2-4 minutes) based on the theme “Any Old Bag Will Do.” Fill any old bag with three items. The bag and each item chosen should symbolize something about your life: the first item should represent something from your past‚ the second from the present‚ and the third
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1G1012002 English 2 HP Room 109 9 May 2013 The Medicine Bag Have you ever thought that family traditions were stupid and worthless? In the short story‚ The Medicine Bag‚ by Virginia Sneve‚ a young boy‚ named Martin‚ learns that a bag has been passed down from generation to generation‚ and that it should keep going on towards the future. Martin used to lies to his friends about his grandpa to make him sound amazing. However‚ his friends see the grandpa’s true form which shames Martin‚ but the
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BAN THE BAG BEFORE ITS TOO LATE – LANGUAGE ANALYSIS BAN THE BAG BEFORE ITS TOO LATE” is an article that was published in the Daily Chronicle on the 27th of May 2008. The article stresses the negative impact that plastic bags are having on the Australian Environment and that the Government needs to make an immediate change. The article is targeted towards the general public‚ particularly those who have an interest in the environment‚ animals and battling pollution. The heading of the article is
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