Flame Test Lab Question: When a compound is placed in the flame of a burner‚ what happens to the color of the flame? Hypothesis: When the compound is placed in the flame‚ the flame changes color depending on the chemical compound. When they’re heated‚ they gain energy and changed color sometimes. Safety Requirements for this Lab: Wear goggles at all times. If you want to remove them to write in your notebook you may sit at a table in the center of the room. When you sit down remove them
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Date: 20/03/13 Flame Test – Investigating Compounds Aims To identify the presence of a relatively small amount (ie low concentration) of a metal ion in a compound. Method 1. Clean a platinum or nichrome wire by dipping it into concentrated hydrochloric acid. 2. Hold the platinum or nichrome wire at the hottest or blue part of a non-luminous Bunsen flame. 3. Repeat until the wire does not produce any colour in the flame (note: do not touch the wire‚ as salt in sweat will produce
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Twin Studies A twin is one of two children produced in the same pregnancy. Twins can either be identical (monozygotic) which means that they develop from one zygote that splits and forms two embryos‚ or they can be fraternal (dizygotic) which means that they develop from two separate eggs that are fertilized by two different sperms. Identical twins do have the same DNA‚ but they can be expressed in a different way. The environment the twins are exposed to determines the fine physical characteristics
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The condition that causes conjoined twins is very rare‚ but has a powerful impact. The surgery process is long and overwhelming. When performing surgery‚ there can be a team of up to 50 surgeons. Babies get conjoined when a single fertilized ovum has divided imperfectly. In some cases twins make it out alive‚ but in others they die before they have a chance to get surgery. When having conjoined twins so much can go wrong with their body. In this case a set of twins from Soin die of multiple organ failure
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to wave goodbye to my son as he went to school as‚ times running out‚ he will 15 on the weekend. By the time I was near work‚ New York had woken up and entered the streets. The diving between the people was mayhem. I finally I got to work‚ at the twin towers‚ walking up the stairs to the 94th floor. To get todays assignments; Bumping into my boss on the way up. It wasn’t until I had just sat down I had caught something in the corner of my eye but the moment I looked at the object it was too late
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this comes the understanding of the values and attitudes of this religion. Hinduism places an importance of purity in the religion that is essential to everyday life. The idea of purity exists physically‚ mentally‚ spiritually‚ and emotionally in the Hindu religion and through influential sacred texts such as the Dharma‚ the Vedas‚ and the Ramayana‚ the meaning of innocence in Hinduism can be explored and can help in the comprehension of the relevance of purity in the religion. Purity must begin with
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that being a twin is the best thing in my life‚ when in reality‚ it is one of the worst. First of all‚ people ask questions. Strangers will walk up to Emily and I and ask us if we are twins. Second‚ I share many things with my sister. Thirdly‚ I am a literal freak of nature. When people see anything out of normal‚ they tend to ask questions. Emily and I have had strangers walk up to us and ask us if we are twins. We have been shopping and the cashiers have asked us if we are twins. A girl at music
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In the hindu narrative of the cosmos. The world exists in a never ending cyclic journey of creation existence and destruction. The trimorti the three primary hindu devinities regulate this cosmic cycle. Brahma the creator brings this cosmos into it’s being‚ Vishnu the preserver ensures the world continues on it’s path until the cycle comes to it’s close. Then Shiva the god of death and destruction skin smeared white with the ashes of the cremated dead. When the world age comes to a close when the
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In the Christian fiction book‚ The Mystifying Twins‚ by Jean Price Reeve‚ twins Lois and Lettice are sent to Rivercote Boarding School. Lois and Lettice are fourteen year old‚ mischievous identical twins who could think and talk for each other. When the girls arrived at Rivercote‚ Governess Miss Matthews told them that Lois was to wear a blue hair ribbon and Lettice a pink ribbon; little did she know how much trouble this would cause. The girls were constantly changing ribbons and fooling
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I. Purpose: To observe the colors produced when compounds are introduced into a flame and the electrons become excited. To estimate the wavelength of light produced‚ then calculate the frequency and energy of the light II. Safety: Standard safety procedures III. Chemical Inventory: |Chemical Name: |Hazards: | |Lithium Chloride
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