Liquid crystal display

The molar heat of vaporization of n-heptane for the rising T and falling T sets of data was 26.10 kJ/mol . This is the energy required to transform a given amount of n-heptane from a liquid into a gas at a certain pressure. In both table 1 and 2, the vapor pressure was gradually increased as the temperature increased. Also, the vapor pressure was decreased as the temperature decreased. This means that the data values that obtained from this experiment were true values. The isoteniscope method…

While there has been disagreement over fracking, fracking is very vital to the United States. The need for natural gas in the United States is increasing, so the country needs to produce more of it own energy. If the country produces more of its own energy, America does not have to send soldiers to defend oil fields. (Beyond oil) Fracking also provides huge job opportunities and funds the United States. It important for the United States to have more jobs because many people are unemployed and…

h Lab Report Katelyn Gularski (Hayly Stein) PM Tuesday 9/9/14 Introduction The purpose of this lab was to separate the mixture of salt, sand, and shells, so that each could be individually massed and the percentage-by-mass could be determined. The best way to get the sand and shells by themselves is to get rid of the salt. Since salt is dissolvable in water, you use water solubility (Hallows, 2014). Water solubility is defined as a substance being able to completely…

To change solid agar into liquid, get 4 Petri dishes out and ready for use. Next, agar needs to be a boil, either on heating pot or stove, not in a microwave. Agar bottle needs to be placed inside the pot, with water in it to be a boil. Water level needs to be right under the label on the agar bottle, with the cover losing, or it will explode. Agar needs to be boil for about 30 to 45 minutes, until agar liquefied. Then pour agar inside the petri dish, about half full. Make sure agar is fully…

Hydraulic Fracturing: Safe or Not In today’s society, one of the most controversial issue is Hydraulic fracturing. The process of hydraulic fracturing, commonly known as “fracking”, is used in nine out of ten natural gas wells in the United States, where millions of gallons of water, sand, and chemicals are pumped underground to break apart the rock and release the gas. This type of drilling has been used commercially for 65 years. The debate goes back and forth about whether fracking is safe…

The objective of this lab was to brominate a hydrocarbon by converting 2,3-dimethyl butane to 2,3-dibromo-2,3-dimethyl-butane through crystallization. In order to verify the purity and the identity of the product two tests were done, one was using melting point and the other was NMR. The melting point range found in this test was between 138°C-175°C, whereas the ideal melting point for the product was 168°C. Based off of the melting point range, it can be assumed that the product had formed…

Introduction Filtration is a passive process in which solutes pass through a membrane from high pressure to low pressure. The amounts of solutes that pass through the membrane are dependent upon the amount of pressure and the size of the membranous pores. Solutes such as blood cells and proteins are too large to pass through so capillaries retain them. An example of filtration in the body is renal filtration, a process in which the blood is filtered in the kidney so that substances that are…

Fracking Should Be Outlawed in The United States. Fracking? What on Earth is that? Well, hydraulic fracturing, or the so-called fracking, is the process of drilling down into the Earth, then using high pressure water to break open the rocks, to release the natural gas inside, but there’s a problem. Water, sand, and chemicals are also injected along with high pressured water into the rocks. The gas comes right out of the head of the fracking well, but where do the chemicals and…

Concept 1 – Recreation The Recreation Concept focused on providing an updated RV Park but does not keep the existing ball fields. The modernized RV Park has 24 spaces including upgraded hookups and resized lots to conform to new RV sizes. The park 's grand entrance is located at SE Beach St, with a secondary entrance south on SW Beeksma Dr. Both entries provide access for vehicles that lead to parking lots. Additional parking was located along SE City Beach St. The parking lot on the west edge…

The store theme has colour throughout it and has different uses of colour blocking long with displaying mannequins. They emphasis how the store appeals to the customer. H&M offer accessories, shoes, tops and jeans. As well as offering cosmetics such as their own range of makeup and body products. It is very important to give customers ideas and inspire them to choose things that suit their own style. H&M’s concept is to give the customer unbeatable value by them offering fashion and quality at…