Flame test: AIM: To determine which part of the salt is responsible for the characteristics in the flame. HYPOTHESIS: If we introduce a metal salt in the blue flame of the Bunsen burner‚ then the colour given off by the flame is due to the metal part of the salt. METHOD: (1) With a heat proof mat under the Bunsen burner‚ turn the gas on and light up the Bunsen burner with matches. (2) Pour enough Hydrochloric acid into a beaker. (3) Using your wire‚ dip it into the beaker containing Hydrochloric
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decomposition and the combustion reaction. Coloured flames are seen in movies to represent something magical that is occurring such as a ritual. This is due to the vibrant colours used which communicate a sense of unusual yet visual appearance. chemistry concepts found in coloured flames are combustion reaction‚ electrons and atomic structures‚ molecules and particles. The following will pinpoint two special effects which are explosions and coloured flames and define the chemistry concepts found within
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the text you have studied explored the challenges and obstacles faced by characters who change? In my supplementary text “Flames and Dangling Wire” there are no characters but the society shows change. Composers have explored the challenges and obstacles faced by characters and the society. In the film ‘The Last Samurai’‚ directed by Edward Zwick and the poem ‘Flames and Dangling Wire’ by Robert Gray the composers have used techniques to make meaning‚ and have explored the challenges and obstacles
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THERE ARE 7 ELEMENTS WHICH ARE REQUIRED FOR THERE TO BE A VALID CONTRACT. LIST AND DISCUSS THEM AND SAY WHAT HAPPENS IF ANY ONE OF THE ELEMENTS IS MISSING. All agreements are not contracts. A contract is a legally binding agreement between two or more parties. An agreement that is not enforceable by law is not considered a contract. There are many elements that are required for a contract valid‚ offer and acceptance‚ intention to create legal relationship‚ capacity of the parties‚ consent‚ consideration
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Every material that is used by scientists has three important properties. The type of atoms that material is made of is important. Materials are split up into two types‚ neutral elements and compound elements. Neutral elements have the exact same number of protons and electrons‚ thus canceling each other out and making the material neutral. The way that the atoms are arranged is also important. This determines how the element will interact with others. Lastly the way that the atoms are bonded to
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Result of Observation Chemical name and symbol Physical appearance Cation of the compound Flame color NaNO3Sodium nitrate Colourless crystal Na+ Yellowish Orange NaClSodium chloride Colorless crystal Cl+ Yellowish Orange LiNO3Lithium nitrate Colorless crystal Li+ Red BaNO3Barium nitrate White crystal Ba² Bright yellow‚ lime yellow Sr(NO3) 2Strontium nitrate White crystal Sr² Dark red Cu(NO3)2Cupric nitrate Blue crystal Cu² Green‚ bluish green. Ca(NO3) 2Calcium nitrate White crystal Ca² Redish
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Elements of Drama 1. script: the written dialogue‚ description‚ and directions provided by the playwright. 2. plot: the events of a play or arrangement of action‚ as opposed to the theme. 3. exposition: the part of a play that introduces the theme‚ chief characters‚ and current circumstances. 4. rising action: a series of events following the initial incident and leading up to the dramatic climax. 5. climax: the point of greatest intensity in a series or progression of events in a play‚ often
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Atoms‚ Molecules‚ and Elements CHM/110 William De Vorick June 30‚ 2014 Atoms‚ Molecules‚ and Elements Demetri Mendeleev was trying to organize the elements into a table by weight when he noticed that as the weights increase occasionally the properties of one element would resemble those of an element he already listed so he placed these elements in a column under the ones they resembled chemically ( Capri‚ PhD‚ 2003). Each chemical in the vertical rows on the periodic table are considered
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HERE‚ almost there. Almost. I almost flunked in my SPM trials examination. People around do expect high from me‚ being one of the boarding school student‚ de cream de la cream‚ they say. SPM is about 3 months to go‚ and I almost failed in my trials‚ getting E’s mostly in Science subjects; Biology around 42/100‚ Chemistry 44/100‚ excluding Physics‚ I was able to obtained a C+ with 56/100. Another E was for the so-called killer subject for students who hated numbers and counting; that is Additional
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about themselves or others around them. In Robert Greys poems‚ this is demonstrated a numerous amount of times‚ through the use of metaphors‚ similes‚ descriptive language and many more language techniques. The Poems that this is most evident in are "Flames and Dangling Wire"‚ "Late Ferry". The speaker contemplates the fragility of nature and how urbanisation is used as a justified means to ignore the consequences
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