Virtual Museum Tour: Smithsonian National Museum of Natural History Natasha Rodas Community College of Denver Virtual Museum Tour: Smithsonian National Museum of Natural History On September 22‚ 2013‚ I virtually visited the Smithsonian National Museum of Natural History located in Washington‚ D.C.‚ USA. It is one of the widest known museums in the United States and has many themes related to Natural History. The virtual tour is relatively easy to maneuver and provides many
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Building a virtual team Saturday August 26‚ 2012 Building a virtual team A virtual team is a group of individuals who work across time‚ space and organizational boundaries with links strengthened by webs of communication technology. Several key factors can cause a virtual team to succeed or to go down the drains such as lack of interest‚ lack of directions and difference of work ethic. We can describe the key challenges and pitfalls to virtual teams as such: Some virtual team lack of clear
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question and answer book is provided with this data book. Students are NOT permitted to bring mobile phones and/or any other unauthorised electronic devices into the examination room. © VICTORIAN CURRICULUM AND ASSESSMENT AUTHORITY 2012 2012 CHEM DATA BOOK 2 Table of contents page 1. Periodic table of the elements 3 2. The electrochemical series 4 3. Physical constants 5 4. SI prefixes‚ their symbols and values 5 5. 1H 6.
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Worked solutions to student book questions Chapter 2 Analysis by mass Q1. a b Why was the soup sample in Worked Example 2.1 heated to 110°C? Why was it necessary to weigh the sample four times? A1. a b The soup was heated above 100°C to evaporate water from the sample. By repeatedly heating the sample until the mass remained unchanged‚ the analyst could be sure that all the water had been removed. Q2. Some laboratories use microwave ovens in place of conventional ovens to
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Names of the Elements Name: Period: Hint: If you need help go to: http://periodic.lanl.gov/default.htm What elements were named after the following astronomical bodies? Sun Mercury Earth Moon Asteroid Pallas Asteroid Ceres Uranus Neptune Pluto What elements were named regarding their taste or odor? Sweet (Latin) Odor (Greek) Stench (Greek) What elements were named after the following places? Berkeley‚ California State of California The Americas France (2 elements)
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Identification and Production of Materials ================================ Ethene‚ Polymers and Ethanol ================================ Catalytic Cracking Oil refineries need to balance their outputs of various products (petrol‚ diesel‚ fuel oil‚ etc.) to match the demands of the marketplace. Catalytic cracking is the process in which high molecular weight (high boiling point) fractions from crude oil are broken into lower molecular weight (lower boiling point) substances in order to increase
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Biochemistry and Technology 8.06 What specific topic did you choose to research and evaluate? (2 points) -I chose genetic engineering/recombinant DNA technology/transgenesis of biotechnology to research and evaluate because that interests me the most‚ personally. List the resources that you used in your research of your topic. (3 points) - I used sites such as‚ wikipedia.org‚ and slideshare.net. Describe‚ in a few paragraphs‚ the biotechnology that you researched. How is it currently
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P.1 Multiple Choice 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
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1 - What are the coefficients for the reactants and the products when the equation for the reaction: Ca(OH)2 (aq) + HNO3 (aq) → Ca(NO3)2 (s) + H2O (ℓ) is balanced? 1‚ 4‚ 2‚ 4 1‚ 2‚ 1‚ 2 1‚ 1‚ 1‚ 2 None of the above 2 - The mass in grams of two moles of iron atoms is: 26.00 g 55.847 g 111.69 g 27.923 g 3 - The formula mass of nitric acid is given by: 31.50 g/mol 17.03 g/mol 63.01 g/mol 126.02 g/mol 4 - Sodium oxide has the formula: Na2O Na2O2 NaO2 Na4O2 5 - The
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Question 1 Consider the following equilibrium.4NH3(g) + 3O2(g) | View Full Image | | 2N2(g) + 6H2O(g)Suppose 0.30 mol of NH3 and 0.40 mol of oxygen are added to a 5.0-L container. If x mol of water is present at equilibrium‚ what is the equilibrium concentration of oxygen?Answer 0.40 - 0.50x | 0.30 - 0.50x | 0.08 - 0.10x | 0.06 - 0.13x | 0.40 - | View Full Image | | x | 4 points Question 2 At 298 K‚ the value of Kc for the reaction
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