gold‚ aluminum‚ iron‚ brass and copper. This reaction mostly happens because of the air pollution and/or moisture. To remove the tarnish from the metals‚ the silver objects must undergo a chemical reaction. Thus this chemical reaction would make the silver object look shiner. The chemical reaction to clean up the surface of the silver objects is as follow. The silver sulfide (Ag2S)‚ which is actually the tarnished silver object reacts with the aluminum foil (Al) in a solution of baking soda (NaHCO3)
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molecules that are in the hydrate. Copper(II) sulfate pentahydrate‚ or CuSO4 * 5H2O‚ is a ratio of one copper sulfate to five (penta) molecules of water. Copper sulfate pentahydrate is a blue hydrate while anhydrous copper sulfate (CuSO4) is white. To get anhydrous copper sulfate‚ copper sulfate pentahydrate must go through an endothermic reaction and have all of its water molecules evaporated. It then becomes the white‚ flaky‚ and chalky material anhydrous copper sulfate. Adding
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Throughout the film‚ “Iron Jawed Angels”‚ a young woman‚ Alice Paul and her partner‚ Lucy Burns battle for the women’s right to vote throughout all 50 states in America. They used multiple methods that finally led to the 19 Amendment being created. Three major methods were used to earn their right. In the beginning of the film‚ the activists organized a women’s suffrage parade.The parade was held on the same day as Woodrow Wilson’s inauguration‚ which the women hoped would result in a lot of
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r Lab Report 5 Introduction to the Classes of Chemical Reactions Course: Chem. 1151L‚ Tuesday & Thursday June 23‚ 2011 Mr. Nasir Uddin Pre Lab Questions: 1. CaBr2 (aq) + K3PO4 (aq) → CA(PO4)2(S) + KBr (aq) = Ca3(PO4)2 + 6 KBr Double Replacement 2. Li(s) + O2(g) = Li2O(s) =2 Li2O Decomposition 3. CH4 + O2 = CO2 + H2O = CO2 + 2 H2O Combination 4. AgBr(s) = Ag (s) + Br2(l) = 2 Ag + Br2 Combination 5. Mg(s) + H2SO4 (aq) = MgSO4 + H2
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situation to the audience‚ it also talks about the hero background and how the hero is against a background of environment and his personal history. Some kind of forces in the hero’s life is pulling in different directions and causing stress. In the Iron Fist‚ a fictional superhero appearing in American comic books published by Marvel Comics which created by Roy Thomas and Gil Kane during a pop culture trend in the early 1970s for martial arts heroes. The character is a is a master of martial arts
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Question 1 Yes. JIT concepts and practices is conducive to be apply in Copper Kettle Catering because: 1. The company objective is in line with the JIT concepts JIT can be define as aims to meet demand instantaneously with perfect quality and reduce waste. Meanwhile the company objective as mention in the case study‚ their competitive priorities are high-quality food‚ delivery reliability‚ flexibility and cost. 2. Current practice is similar to JIT concept but need to be improve The company
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Iron jawed angels is a movie about about the struggle of American women for their right to vote. The movies starts out with two well educated friends in London‚ Alice and Lucy. They are both woman suffrage activists. Both Alice and Lucy were willing to do whatever it took for the amendment that allowed women to vote. During a meeting they spoke to a lady part of the National American Suffrage association (NAWSA) about their ideas of fighting for constitutional amendment for the right for women
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Chemical Reactions Chemical Change • reorganization • original substances form new substances with different formulas • may or may not involve a change of state • symbols used to describe chemical reaction are known as a chemical equation • Chemical equations do not have equal signs (=) they have an arrow Chemical Equations • Must follow the Law of Conservation of Matter • atoms can neither be created or destroyed during a chemical reaction • What
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(1) Discuss Liz’s risk for iron deficiency if she eats a vegetarian diet similar to the meals described in the case. Similar to many other vegetarians Liz is at risk for iron deficiency. Since‚ Liz diet consist of “cutting all meat and animal products‚ she is at risk of anemia” (Vann‚ M. R. ‚ 2010‚ September 08). However‚ if she continues to eat the meals that were described in the case she has the chance to overcome iron deficiency. Liz‚ current meal plan contains food groups that are beneficial
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Iron Man 2 is a popular superhero movie‚ but underneath the action and explosions‚ it was affected by the American beliefs of their political system. Tony Stark is pictured as a very successful individual‚ and without his unique ideas and brave actions‚ the people would find themselves facing a corrupt company called Hammer. Stark has a successful weapons business‚ and these privately owned business and companies are shown to be important to capitalism’s success‚ this is shown by Iron Man being chosen
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