Acid Rain Lab #1 Chem. 1 20 February 2016 Concordia University Texas Angelina Luna angelinaluna97@yahoo.com Chem 1- Sect C Acid Rain Lab #1 Professor Koeck Abstract In this experiment our main objective was to create three gaseous oxides CO₂‚ SO₂ and NO₂ by using data that was collected using a pH sensor which was connected to a laptop with LoggerPro and Vernier. We created the gases by bubbling each gas into the water to create the three acidic solutions we were looking for. Once that
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expected melting point. After its temperature reached the plateau‚ the temperature increment was set at 1°C per minute‚ and the melting point range of 152°C-154°C was recorded. After standardizing the melting device‚ a small sample of unknown carboxylic acid was placed in a capillary tube‚ and an arbitrary plateau of 200°C was set. When the sample started to melt at 150°C‚ another capillary tube containing a small amount of unknown sample was placed in the melting device‚ and the plateau was set to 135°C
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- Dell profit falls 47 percent - The major key issues for Dell profit falls 47 percent in third quarter is due to Dell’s desktop computers and laptop sales dropped significantly‚ it is because of tablet and Smartphone being popularly‚ mobile devices using mobile operating system from Apple and Google. For the PC market‚ the main competitive products-Smartphone and tablet are raising the demand fastly so it led to a drop in demand of Desktop and laptop. To facing the market needs are changing
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menace. Because of pollution in the air‚ acid gases from factories‚ cars and homes‚ the rain is becoming dangerous for the life of every living creature. This rain is known as ’acid rain’. WHAT IS ACID RAIN? Acid gases are produced when fossil fuels like coal and oil are burned in power stations‚ factories and in our own homes. Most of these acid gases are blown into the sky‚ and when
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pH Guess | pH Paper | Vinegar | 5 | 3 | Sodium bicarbonate solution | 6 | 8 | Lemon juice | 4 | 2-3 | Vegetable oil | 8 | 4 | Bottle water | 7 | 7 | Hot sauce | 5 | 3 | Questions 1. Compare and contrast acids and bases in terms of their H+ ion and OH- ion concentrations. An acid produces hydronium ions by donating a proton H+ to water. Base produces hydroxide ions OH- by accepting a proton from water. Acid and Base are opposites‚ when acids and a base counter balance
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How Acetylsalicylic Acid was Discovered Acetylsalicylic Acid in its earliest form was a powder for the bark and leaves of the willow tree. Hippocrates‚ who lived sometime between 460 B.C. and 377 B.C‚ founded it. This “Miracle Drug” that was able to relieve pains was later looked into with further detail by Johann Buchner. He isolated a tiny amount of bitter tasting yellow‚ need- like crystals‚ and called salicin. By 1829 French Chemist Henri Leroux had improved the extraction procedure to
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9.1 Manufacture of Sulphuric Acid 1. State uses of sulphuric acid in daily life. - lead acid batteries in automobiles and for home use - extraction of elements from ores - manufacturing of fertilizers 2.The following shows an incomplete flow chart of the Contact process. a) b)Chemical equation A. B. C. D. 3. Briefly explain the sources of sulphuric dioxide gas in atmosphere. -Sulphur dioxide is produced mainly from the combustion of fossil fuels
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Punished by Acid Several people from the third world become a victim of an acid attack. The victim’s life has changed tremendously‚ which is what the photographer shows with his world-known pictures. On Ebrahim Noroozi’s photoseries you see a mom named Somayeh and her daughter‚ Rana and what acid has done to their faces. Now they most stay by themselves and take care of themselves. It is hard for me to understand some people will walk up to you to pour acid on you. Somayeh looked like an average
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The purpose of this experiment was to study the effect acid rain has on seed germination and after performing this experiment is can be concluded that acid rain has a negative effect on seed germination. When seeds are soaked in an acidic solution the process of germination slows. Acidic solutions‚ while do slow growth of a seed‚ they do not kill the seed. A seed can be dormant for a majority of its lifespan‚ seeds watered with acid solutions stayed in a dormant condition. For example‚ trial three
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Vinegar Tom: More Than Just a History Play Oppression takes many forms in society; Capitalism over the working class‚ patriarchal communities over the women in them and in some cases even women over women. Caryl Churchill has explored such issues in her works mainly pertaining to the position of women in male-dominated societies. In fact‚ her works utilize various plot structures to harness support for the improvement of the position of women in society while some attempt to illustrate women’s
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