Chemistry of Enamel Stephanie Gabrielle Estrada Texas A&M University- Corpus Christi Chemistry of Enamel Dentistry is a branch of medicine‚ in order to understand medicine including diseases related to the mouth‚ one must have a background knowledge over the chemistry of the enamel and how it interacts and takes place with compounds that are used in crowns‚ veneers and fillings. Enamel consists of approximately 96% inorganic minerals and 4% organic material. These inorganic components
Premium Teeth Dental caries Tooth enamel
Study Guide Chapter 1: The Main Themes of Microbiology 1. Define Microbiology. The area of biology that deals with living things ordinarily too small to be seen without magnification. 2. Discuss the impact of microbes on earth. 3. List the 6 categories of microbes. Bacteria – Ecoli Viruses – Influenza Fungi –Candida albicans Protozoa –Entamoeba histolytica Algae – Diatoms Helminths -Tapeworm 4. Define Microbiology’s subcategories. Bacteriology Mycology Protozoology
Premium Microbiology Louis Pasteur Bacteria
Supplemental Questions 1. A newer form of the periodic table has been established‚ but is not universally used at this time. Go to http://www.sciencenews.org/view/generic/id/67938/description/Periodic_table_gets_some_flex and read the article to answer the following questions: a. What has been added to the new table? The atomic weights of oxygen‚ hydrogen‚ lithium‚ boron‚ carbon‚ nitrogen‚ silicon‚ sulfur‚ chlorine and thallium are now be expressed as intervals. b. Why is this addition important
Premium Periodic table
Chemistry and Society Chemistry 110 March 17‚ 2012 Introduction Chemistry is very important in our lives even though we may not realize that chemistry is everywhere. This paper serves to examine the ways in which chemistry is relevant in everyday life and in society. It will also examine the difference between accuracy and precision and provide examples of when accuracy and precision are crucial in measurements and why society depends on these measurements to be accurate and precise ( Tam
Premium Accuracy and precision Measurement Chemistry
What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
Premium Chemistry
PAGE NO.121(CHAPTER-9 CHEMISTRY PRACTICALS) Q4.How would you distinguish between the following: a)Calcium nitrate and lead nitrate using ammonium hydroxide Ans: Add ammonium hydroxide to the given substance‚ calcium nitrate does not form any ppt. with ammonium hydroxide. But lead nitrate forms chalky white ppt. With ammonium hydroxide b)Calcium nitrate and lead nitrate using sodium hydroxide solution Ans: Add sodium hydroxide to the given substance‚ Calcium nitrate forms milky white ppt
Free Sodium hydroxide Ammonia Sodium chloride
Chemistry 200 Exam 1 Review Problems 1. Calculate the number of atoms in 10.0 grams of Fe. 2. Give the mass number‚ #protons‚ #neutrons and #electrons for the isotope strontium-88. 3. Calculate the number of moles of carbon in 50.0 g of benzene C6H6 4. A substance is found to be 38.7 % C‚ 9.7 % H and 51.6 % O by mass. Its molar mass is 62.1 g/mole. What is its molecular formula? 5. Name the following: a) Ca(OH)2 b) KCN c) HClO4(aq) d) FeSO4 e) Na2O f) SF6 g)
Premium Oxygen Sodium hydroxide Mass
Chapter 14 Financial Statement Analysis True / False Questions 1. Vertical analysis compares the results of financial information with a business in the same industry for a number of consecutive periods of time. True False 2. The quick ratio is especially useful in evaluating the liquidity of a company with fast moving inventories. True False 3. Deducting the cost of goods sold from net income gives us operating income. True False 4. The gross profit rate is
Premium Balance sheet Generally Accepted Accounting Principles Financial ratio
Major Chemistry questions: 1. Analyse the progress in the development and use of a named bioploymer. This anslysis should name the specific enzyme(s) used or organism used to synthesise the material and an evaluation of the use or potential use of the polymer produced related to it’s properties. Polyhydroxybutanoate (PHB) Progress Analysis: - Bacteria first used to make PHB in 1925 at Pastuer Institute in Paris. - In 1970’s adopted by Imperial Chemical Industries (ICI) – Alcaligenes
Premium Chemical industry Escherichia coli Bacteria
SEMI- DETAILED LESSON PLAN IN TLE I. Objectives At the end of twenty- minute lesson‚ the students should be able to: Evaluate different kinds of food according to their uses in the body Identify the various kinds of food that our body needed State the importance of eating the right kinds of food II. Subject Matter Topic: The three Basic Food groups and Food Pyramid Reference: http://en.wikipedia.org/wiki/Food_guide_pyramid www.livestrong.com Material: Powerpoint‚ pictures of go‚ glow
Premium Nutrition Food Carbohydrate