Experiment : 1 Tittle : Preparation of bis(acetylacetonato)copper(II) complex Objective : To synthesis the bis(acetylacetonato)copper(II) complex Introduction : A complex ion is usually form with high charge density metal ion as a central and formation of coordinate covalent bond (dative bond) with high electron molecules or ions. These molecules or ions are functioning as ligands (electrophile in organic compounds). They are easily attracted by electrophile (electron deficiency
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Melissa Petersmann P.E. Bock 6 4/4/13 Pickleball Rules Equipment‚ Players‚ &Timing All players must show their CWU Student I.D. card to the supervisor prior to each game. All equipment (Paddles‚ balls‚ nets) will be provided by the Recreation Center. Only indoor tennis shoes may be worn. (Absolutely NO black soled shoes.). There will be no gender requirements or player substitutions for either singles or doubles formats. Matches will consist of rally-scoring games played to 21 points;
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Material facts The Carbolic Smoke Ball Company made a product that it claimed could protect the user from contracting influenza. The Company published advertisements claiming that it would pay £100 to anyone who got sick with influenza after using its product according to the instructions set out in the advertisement. Specifically‚ they stated: £100 reward will be paid by the Carbolic Smoke Ball Company to any person who contracts the increasing epidemic influenza‚ colds or any disease caused
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were asked to do “ball control practice”. We were asked to form a circle and then the coach lobbed the ball towards us‚ we were asked to control it with our feet and chests. The coach gave us guidelines‚ but I completely ignored them and I thought I was far better of myself as I was very adept and juggling and controlling the ball with my feet. I had assumed that the drill would be a walk in the park for me. Unfortunately‚ that was not the case. Every time the coach lofted the ball towards me‚ I failed
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Dragon Ball was a manga series released in Japan on November 10th‚ 1985‚ written and illustrated by Akira Toriyama. It followed the adventures of Son Goku and his super powered‚ martial arts fighting friends‚ travelling the world searching for the Dragon Balls; seven magical balls that if gathered‚ grant the user any wish. The manga series became extremely popular‚ not only in Japan‚ but around the world. Looking to capitalize off the popularity of Dragon Ball‚ 20th Century Fox announced that in
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yards from the ball until it is in play. The ball is in play when it is kicked and moves forward‚ the kicker can’t touch the ball a second time until it has touched another player. No Hands‚ please I bet you knew that one. Most people who know nothing about soccer still know that you can’t use your hands unless you are the goalie. This rule applies to any part of the body from the tips of the fingers to the shoulder. However every ball that hits someone’s arm is not a hand ball. It depends
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Tossed Ball Project PURPOSE: The purpose for the students of the Energy of a Tossed Ball Lab involved learning how to measure the change in kinetic and potential energies as a ball moves in free fall. Since there is no frictional forces working on the ball the total energy will remain constant and the students will see how the total energy of the ball changes during free fall. HYPOTHESIS: 1. The ball has potential energy while momentarily at rest at the top of the path. 2. The ball contains
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Steel ball is widely used in machine‚ but also ages rapidly. Therefore‚ knowing the ball mill course and causes of aging can improve the life span. There are four major causes of steel ball aging Firstly‚ cutting and shaping abrasion. The relative sliding motion in the cylinder of ball mill ball is in the rising phase‚ hard material by the group is in cutting groove‚ and cutting softer materials on the ball is of the relatively shallow. Materials produce local shaping abrasion of the
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fairway is able to strike a ball so that it leaves the club with a horizontal velocity of 20 m s–1. (Assume the acceleration due to gravity is 9.80 m s–2‚ and the effects of air resistance may be ignored unless otherwise stated.) a b c d e How long after the ball leaves the club will it land on the fairway? What horizontal distance will the ball travel before striking the fairway? What is the acceleration of the ball 0.5 s after being hit? Calculate the speed of the ball 0.80 s after it leaves the
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A study on working of Ball pen By Sunil kumar . S Std .X. A Nithin kumar. P.V Std. X. A Musamil . F.K Std IX. A Govt: Boys H.S.S .KARAMANA THIRUVANANTHAPURAM. Guide: Smt. Abida Beevi History of the Ballpoint Hungarian journalist Laszlo Biro was well aware of the problems with normal pens. Biro believed that the idea of a pen using a quick-drying ink instead of India ink came to him while visiting a newspaper. The newspaper’s
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