by everyday pollution from houses‚ factories‚ cars‚ and etc. This is the concept of acid rain‚ which according to EPA.gov is a broad term referring to a mixture of wet and dry deposition from the atmosphere containing higher than normal amounts of nitric and sulfuric acids. Acid rain isn’t just rain‚ its forms like hail or snow‚ which is wet deposition‚ and smoke or dust‚ which is dry deposition. The effects of acid rain are quite terrifying bringing all types of problems to the Earth‚ for example
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Acid Strength Grade 10- Science (chemistry) 11/23/2012 Mariana Boff Acids Strength Acids are substances that contain hydrogen atoms which detach to form hydrogen ions when the acid is dissolved. Acids are divided into two main categories: the strong and weak acids. The stronger ones are very corrosive and can cause severe skin burns‚ here are some examples: nitric acid (HNO3)‚ hydrochloric acid (HCl) and sulfuric acid (H2SO4). The weaker ones are less corrosive and when in touch with the
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Acid Base Titration bre’ana March 1‚ 2013 Purpose: The purpose of this experiment is to determine the concentration of a solution of NaOH by titration with a standard solution of HCl. It was also the purpose to determine the concentration of a sample of white vinegar by titration with a standard solution of NaOH. Introduction: Using the method of titration is how the experiment gets to the conclusion of the concentration of a solution. When doing this experiment‚ measurement is very important
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International Journal of Pharmaceutics 323 (2006) 93–100 Compressed mini-tablets as a biphasic delivery system Carla M. Lopes a‚∗ ‚ Jos´ Manuel Sousa Lobo a ‚ Jo˜ o F. Pinto b ‚ Paulo Costa a e a a b Departamento de Tecnologia Farmacˆ utica‚ Faculdade de Farm´ cia‚ Universidade do Porto‚ Rua An´bal Cunha 164‚ 4050-047 Porto‚ Portugal e a ı Departamento de Tecnologia Farmacˆ utica‚ Faculdade de Farm´ cia‚ Universidade de Lisboa‚ Av. Prof. Gama Pinto‚ 1649-003 Lisboa‚ Portugal e a Received
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Different antacids 8. Side effects 9. Nursing implifications 10. Inference Abstract of the work under taken Antacids are medicines that neutralize stomach acid. They are used to relieve acid indigestion‚ upset stomach‚ sour stomach‚ and heartburn. Antacids are taken by mouth and work by neutralizing excess stomach acid. They contain ingredients such as aluminum hydroxide‚ calcium carbonate‚ magnesium hydroxide‚ and sodium bicarbonate‚ alone or in various combinations. Antacid products
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During an undercover investigation‚ Officer Cline witnessed Defendant #1 purchase a bag of what appeared to be marijuana and LSD. When Officer Cline approached the dealer (Defendant #2)‚ he was given a similar bag. Following the purchase‚ officers approached and arrested both defendants on narcotics violations. Forensic tests later revealed that the contents of the bag were nothing more than honey and dried leaf matter and rolling paper coated with lime extract. The defense attorneys for both defendants
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In the ANE‚ numerous tablet inscriptions and references exist‚ the oldest dating to ancient Babylon. Unfortunately‚ these references are general to an inscribed message. Authoritative references to tablets are less‚ and references to named tablets referred are rare. Research uncovered only five such tablets: the Covenant Tablet‚ the Tablet of Destinies‚ the Tablets with the Words of Fate‚ the Holy Tablet of the Heavenly Stars‚ and the Tablet of Wisdom. The first two tablet concepts graded highest
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Laptops vs. Tablets By: Harley Picard 01/27/2013 There is a debate as to whether or not tablets are better than laptops. This is something that really has interested me. In this essay we will compare the differences between three tablets and three laptops to see if we can determine whether tablets are better than laptops or vise versa. Even though tablets are more portable‚ laptops are better than tablets are because of their better capabilities and size of the laptop. In this paragraph/section
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Tablet Computers in Education Dr.R.Sivakumar Assistant Professor Education Wing -DDE Annamalai University Annamalai Nagar rsk_edutech@yahoo.co.in Abstract Tablet Computers are quickly emerging as a powerful Learning tool in higher education. The unique functionality of the Tablet Computer allows teachers to create lecture materials for their classes using digital format that can be distributed to students for later review. A tablet enhanced learning environment is an environment where
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E XPE RIME NT 4 . 5 Reactions of acids Aim To investigate and compare some reactions of a strong acid‚ hydrochloric acid‚ and a weak acid‚ ethanoic acid (common name‚ acetic acid) Equipment Dropper bottles containing: • 0.1 M hydrochloric acid‚ HCl • 0.1 M ethanoic acid (acetic acid)‚ CH3COOH • 0.1 M sodium hydroxide‚ NaOH • 1 M hydrochloric acid‚ HCl • 1 M ethanoic acid (acetic acid)‚ CH3COOH • universal indicator solution • limewater (calcium hydroxide‚ Ca(OH)2) Marble chips (calcium carbonate
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