EXPERIMENT #1: THE PURITY AND PURIFICATION OF SOLIDS MELTING POINTS ABSTRACT Melting points of different mixtures of naphthalene and biphenyl were examined in this lab. Samples of these various mixtures were collected and tested by different individuals in the lab in order to find the eutectic point of biphenyl. Unknown substances were then tested using the mixture melting point method in order to determine their identities. INTRODUCTION The melting point of a solid is the temperature
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2000 population increased by 3 times while energy consumption by 14 times! Energy Resources All energy sources ultimately come from the sun‚ the moon or the earth. Sources of Energy Solar energy drives the following: The global climate system which give as wind power. Wave power Hydroelectric power Solar heating and Solar lighting The global ecosystems which give as biomass power such as wood or muscle. The ancient ecosystem whose energy is now stored as fossil fuels
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DNA extraction and purification is an essential tool in understanding the biological basis and significance of a eukaryotic cell. Its role is pivotal to numerous scientific applications ranging from basic science research to applied research. Hence‚ DNA is found in all living organisms. Fragaria x ananassa‚ also known as a strawberry has been widely used as one of the many biological models in studying DNA structures due to its accessibility. Strawberries are octoploid which contain large genomes
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Air pollution consists of chemicals or particles in the air that can harm the health of humans‚ animals‚ and plants. It also damages buildings. Pollutants in the air take many forms. They can be gases‚ solid particles‚ or liquid droplets. Sources of Air Pollution Pollution enters the Earth’s atmosphere in many different ways. Most air pollution is created by people‚ taking the form of emissions from factories‚ cars‚ planes‚ or aerosol cans. Second-hand cigarette smoke is also considered air
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HVAC Systems: Air Conditioning Dr. Harjit Singh Room 116 Howell Building harjit.singh@brunel.ac.uk Fridays 09.30 – 11.30am Unless otherwise specified For students enquiries: 1 Building Services Engineering: Building Air Conditioning Module (ME5508)‚ Brunel University Introduction to the module • Credit: 15 • Teaching materials: – Provided for the MSc students. – Undergrads: Buy them from the stores. • Assignment: to be handed two weeks before Xmas‚ deadline-28 Jan 2013 • Students
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Study of Air-Asia : Strategic Role of Information System in Business Air Asia is established on 12 December 2001 by Mr. Tony Fernandes‚ the CEO of Air Asia and expanding rapidly since that. Air Asia is the leading low fare airline in Asia and Air Asia succeed to become the award winning‚ ‘Asia Pacific Airlines of the year 2003’ by Centre for Air Pacific Aviation (CAPA) in 2003. Air Asia has successfully positioned itself in customers’ mind by using the “ Now Everyone Can Fly” slogan. Air Asia had
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Introduction Korean Air is the largest airline company in South Korea which located in Soul. Korean Air was established in March 1st‚ 1969. Korean Air currently transports an average of more than 20 million passengers per year. Since 2004‚ Korean Air has been the world leader in the international cargo transport sector (Korean Air Co Ltd‚ 2011). Korean Air is the top 20 airlines in the world in terms of passengers carried and is also the top-ranked international cargo airline (Korean Air Co Ltd‚ 2011)
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AIR POLLUTION [pic] Introduction The earth’s atmosphere‚ at or near sea level‚ consists approximately of 78 percent nitrogen‚ 21 percent oxygen and 1 percent other gases. If it were possible to remain in this state‚ 100 percent clean air would result. However‚ many varied sources allow other gases and particulates to mix with the clean air‚ causing our atmosphere to become unclean or polluted. Some of these pollutants are visible while others are invisible‚ with each
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Laboratory Ш SEGi University Experiment: Air Conditioning Module Candidate’s Name: Yeap Swee Sean Student ID: SCM-025695 Lecturer: Ms. Chan Yi Shee Date of Submission: 28th November 2013 1. Abstract The main purposes of this experiment are to allow students to get familiarized with air conditioning system and also to obtain experimental data so that the state point can be plotted on a psychrometric chart. The apparatus used in this experiment are SOLTEQ air-conditioning module (Model:HE166-02)
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Air Pollution Hamza Akouayri Class: 600 Robyn Conner Date Air Pollution Air pollution has been a big issue in the entire world. Air pollution occurs when the air includes dust‚ fumes or gases. Air pollution is the accumulation of hazardous substances into the atmosphere. These substances that cause air pollution are called pollutants. In effect air pollution is one of the biggest problems‚ which are threatening people and earth. People breathe in polluted air. Every second people
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