COLLIGATIVE PROPERTIES: FREEZING POINT DEPRESSION AND BOILING POINT ELEVATION DAY 1 – 04 FEBRUARY 2015 Colligative Properties Depends on the NUMBER of solute‚ not on the nature of solute particles Freezing Point Depression Boiling Point Elevation Vapor Pressure Lowering Osmotic Pressure Electrolyte and Nonelectrolytes Electrolytes •Separates in water forming a solution that conducts electric current •IONIC COMPOUNDS Non- electrolytes • does not allow the flow of an electric current • COVALENT
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Engineering and Chemistry Muralla St.‚ Intramuros‚ Manila Melting Point and Boiling Point of Organic Compounds Group No. 5 Manacup‚ Cris Vincent L. Oblena‚ Adrian D. Ong‚ Joshua Jyro B.* *Leader ABSTRACT In compounds‚ two of the physical properties affected by the varying structures are melting point and boiling point. Through the use of the Thomas-Hoover Melting Point Apparatus or the micro method‚ the melting and boiling point of organic compounds are now determined. The aim of this experiment
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An Analysis of E.B Whites‚ “Once More to the Lake” In E.B Whites essay‚ “Once More to the Lake” he reflects on his summer outing with his son. Throughout the trip‚ memories of his childhood‚ long forgotten‚ resurface themselves as he experiences the same vacation with his own son. These memories create in him a feeling as if time has not changed and that he is reliving his old days. His father used to take him to the same camping spot as a boy. He was certain that there would be changes since
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temperature at which movement of the specimen is observed is recorded as the pour point. INTRODUCTION In the cloud point experiment‚ waxes will appear and thickens the oil and clogs fuel filter and injectors in engines. The wax also accumulates on the cold surfaces and forms an emulsion with water. The appearances of cloud point determine the first cloud of wax crystals in a liquid when it is cooled. Whereas‚ pour point experiment is to determine the minimum temperature of the oil which will continue
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LIFE ON THE LINE By Roger Rapoport A week spent building cars gives an insight into the industry’s problems "Leave Your Brains at Home". Wixom‚ Mich. - The Ford Motor Co. auto assembly line here is an impressive sight. Bare ftames are put on a slowly moving conveyor. Wheels‚ engines‚ seats‚ body sections and hundreds of other components are added along the way. At the end of the quartermile‚ 90-minute trip‚ finished cars are driven off to be inspected and shipped to dealers. It takes
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INTEGRATION OF POINT OF SALE TERMINALS WITH FINANCIAL INSTITUTIONS THROUGH WEB SERVICES ERIK-JAN MONSHOUWER‚ RAUL VALVERDE University of Liverpool Concordia University ABSTRACT With the conventional POS payment transaction method‚ vendors are bound to a payment institute in their region and can only use relatively expensive dedicated or slow dial-up lines to their financial institute. This paper report covers the work to produce an architecture and a prototype that supports Point of Sales
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A Summary of “Once More to the Lake” Jason Mraz Eng 101 Essay#1- Revision In his essay "Once More to the Lake"‚ E.B. White shares the story of reliving his childhood memories of going to a lake in Maine. As an adult‚ E.B. White lives by the ocean and has a love for the salt water‚ but every so often he get the urge to revisit the lake he knew as a child. One day that desire was strong enough to motivate him to take his son to the same place his father had taken
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Fits the Tipping Point After finished the majority part of Tipping Point‚ which Gladwell talks about the three key factors that determine whether a particular trend will tip into a social epidemic‚ I built up a better understanding to how social phenomenon appears . It is very thought provoking and useful‚ especially for our business student which will struggle in “tipping” our service or product into popular fad. It is hard not to be convincing by Gladwall’s point of view. It is really fascinating
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Do clean lakes really exist? By Yujia‚ Luo (Group 1) September‚ 2014 Introduction A main purpose of wastewater and sludge treatment is to remove phosphorus (P). It seems to be reasonable because excess phosphorus entering the aquatic systems can result in algal blooms. People have been taking much effort to explore simple‚ economic and high effective methods to remove phosphorus. Concentration of nitrogen (N) is another important element to assess the quality of freshwater. As the same with phosphorus
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Melanie lomeli Havasu Going on a family trip is always a good idea so you can relax and create memories with your family. I think one nice family trip we went to was lake havasu. Lake havasu is a place where you can rent houses and it is close to a lake and you can take jet skis. My cousins‚uncles‚and my family went.It was like a 4 hour car ride.I was happy to go on a trip with my family. Once we got there we went first to go to get our house that we rented.What was cool was that there
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