causes nausea and vomiting Uses: • gastric antacid for hyperchlorhydria • for intestinal toxemia CALCIUM-CONTAINING ANTACIDS • dependent upon their basic properties • raise stomach pH to 7 • constipating • found in combinations with magnesium antacids 1. CALCIUM CARBONATE • precipitated chalk • fast action • found in combinations with Mg antacids • in Lozenges and Oral suspension 2. TRIBASIC CALCIUM PHOSPHATE • Precipitated Calcium Phosphate‚ Tertiary Calcium
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EXPERIMENT 5- A FISCHER ESTERIFICATION SYNTHESIS OF PEAR OIL One of the major uses of Esterification (C(=O)-C-R) is forming compounds with different odors which can be used to make different synthetic and natural flavorings. Using the chemical and physical properties of organic compounds‚ an ester was catalyzed from the reaction of a carboxylic acid with an alcohol‚ producing an odor similar to that of pear oil. The mechanism of this Fischer- Esterification process is outlined as follows:
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manipulated was the fuel to oxygen ratio and the variable that we observed was how efficiently the fuel burned in each of the mixtures. The efficiency of the combustion depended on the fuel to oxygen ratio. If mixture was fuel lean the combustion reaction would produce less soot and smoke. If the mixture was fuel rich‚ an incomplete combustion reaction occurred and it produced plenty of soot and smoke. The controlled variable was the amount of water in the test tube. If there was more water in one
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space -Elements are the most basic substances something can be broken down into. There are about 100 elements known to scientists right now. There may be more‚ but elements with more than 100 protons are extremely unstable and may only be created in labs. -Atoms are the smallest building blocks of matter‚ each element is made up of a SPECIFIC type of atom. When atoms combine they form MOLECULES. -Macro is big. Micro is small. -Chemistry is a central science which means that it can be incorporated
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The purpose of this lab was to find the empirical formula for magnesium oxide. To find this formula‚ a strip of Magnesium ribbon was burned in a crucible over a flame from a bunson burner. After the strip caught fire multiple times with the cover on‚ and 10 drops of distilled water were added‚ and the crucible was lightly heated. The crucible was then weighed and the mass recorded. Calculations were performed and the mole ratio of Mg to O was recorded. The results of other lab groups performing the
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The role of women in different societies and times in "Heat and Dust" The era of the Victorian women spanned 64 years and concluded several changes in attitudes. The common thinking about women in the Victorian era was that a woman´s position was limited to domestic work and the care for her children. The stereotype of the distribution of roles was women staying by the hearth with their needles whilst men wielded their swords. Women had to bear a large family and to maintain a smooth family atmosphere
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When considering taking supplements‚ how often do we consider taking magnesium supplements? This mineral helps on the process of over 300 functions in our body‚ most important neurotransmitter and heart functions‚ and its consumption is essential for the regulation and development of these activities. The brain is one of the organs that benefit the most in taking magnesium supplements‚ magnesium activates ATP‚ a coenzyme that regulates your energy levels‚ making it a good complement to treat fatigue
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Chem Med Case 1 Chem-Med Company 1. What was Chem-Med ’s rate of sales growth in 2003? What is it forecasted to be in 2004‚ 2005‚ and 2006? Sales Growth = (Sales this year - Sales last year)/Sales last year for 2003: ($ 3‚814 - $3‚051) / $3‚051 = + 25% for 2004: ($ 5‚340 - $3‚814) / $3‚814 = + 40% for 2005: ($ 7‚475 - $5‚340) / $5‚340 = + 40% for 2006: ($ 10‚466 - $7‚475) / $7‚475 = + 40% 2. What is the company ’s rate of net income growth in 2004‚2005‚ and 2006? Is projected net income
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Questions 1) Water‚ ‚ is an example of a(n) ________. A) chemical B) solid C) wave D) electric charge E) element Answer: A 2) In this list‚ which substance can be classified as a chemical? A) salt B) sleep C) cold D) heat E) temperature Answer: A 3) One example of a chemical used in toothpaste is ________. A) chlorine B) sulfur C) carbon dioxide D) calcium carbonate E) sugar Answer: D 4) Which of the following is not a chemical
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` CHEMISTRY PROJECT ON PRESENCE OF INSECTICIDES IN FRUITS AND VEGETABLES A PROJECT REPORT Submitted by VAISHAKH MURALEEDHARAN Class: XII-A JANUARY 2015 DEPARTMENT OF CHEMISTRY SHANTINIKETAN INDIAN SCHOOL DOHA-QATAR SHANTINIKETAN INDIAN SCHOOL‚ DOHA – QATAR Affiliated to the Central Board of Secondary Education‚ Delhi. Approved by the Ministry of Education‚ State of Qatar. BONAFIDE CERTIFICATE This is to certify that this project report entitled “CHEMISTRY PROJECT ON” PRESENCE
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