PRACTICAL 15: DETERMINATION OF HEAT OF NEUTRALIZATION Data collection: |Reaction |Initial Temperature/°C (±0.25) |Final Temperature of Mixture/°C (±0.25) | | |Acid |Base | | |HNO3 + NaOH |28.00 |28.25 |34.50 | |HNO3 + KOH |28.25 |28.25 |34.00
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Canford Heats is situated in the temperate climate‚ where the warmest temperatures are on July and range from 12-22 °C‚ being within the sunniest part of the country‚ whilst coldest temperature is in February‚ from 2 to 8.3 °C. Dominant soil composition is acidic‚ mostly due to the past erosion‚ and is strongly leached (posolised)‚ along with soils predominant in valleys where the waterlogging is present or thicker clay layer which forms peaty gleyed podsolos. These features have created distinct
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The ’Sun Vampires’ is an article by Cayte Williams outlining the dangers of using sun beds; addiction to sun beds and portrays the people who use sun beds as foolish. The article was printed in ‘The Big Issue’‚ which is most commonly sold by the homeless to earn money. ‘The Big Issue’ is targeted towards young casual readers who have knowledge of current affairs and have general concerns for society. The main message put across in the article by Cayte is that they are dangerous and can become
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Fun in the Sun It was a hot spring day at Myrtle Beach. The sun was scorching hot‚ setting my skin to tingling. The pool sat waiting‚ the cool blue water promising a soothing balm to the heat. The plan for my vacation was to kick back‚ relax and soak up some rays. Unfortunately‚ my plan did not work out as well as expected. While preparing for my relaxing day‚ I reached into my luggage and grabbed my sunscreen. Unfortunately‚ I failed to notice that the date on the lotion had expired. I grabbed
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They’re desperate for a sun fix. They spend hours incarcerated in hi-tech coffins. Cayte Williams meets the “tanorexics” You’re lying in a big plastic cocoon. Weird blue light beats down at you through hi-tech glass and there’s a strange humming noise. You’re naked and sweating profusely. Have you been abducted by aliens for experimental tests? No‚ you’re lying on a sunbed and if you’re doing it more than once a week then you could be seriously addicted. The Imperial Cancer Research Fund
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SUN BEDS VS SUNBATHING VS FAKE TANS There are lots ways of getting a beautiful glowing tan that make you feel good and look good not only in summer but all year round but there are also dangers of getting this healthy tanned look. Sun beds. Lots of sun beds are coin operated these days with no supervision these can be found in every city on nearly every high street‚ there is nothing or no one telling you or allowing you are only to use them for a limited amount of time and certainly no one stopping
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overall heat transfer coefficient on the outer surface of the covered pipe is 10 W/m2.K. if the velocity of the steam is 10 m/s‚ at what point along the pipe will the steam begin condensing and what distance will be required for the steam to reach a mean temperature of 100 oC? Question 2: Consider a horizontal‚ thin walled circular tube of diameter D = 0.025 m submerge in a container of n-octadecane (paraffin)‚ which is used to store thermal energy. As hot water flows through the tube‚ heat is
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Heat and Energy Transfer Lab Materials needed: Part 1: bowls (not included in the lab kit; use cooking pots or plastic containers- something large enough to fit your hand) ice (not included in the lab kit) thermometers Part 2 test tubes – use three similar glasses or cups water various household materials for insulation stove or microwave to heat up water Part 1: Heat transfer and human sensation 1. Pour warm water in the bowl on the left‚ cold water in the bowl on the right‚
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Of course‚ we live in an imperfect world and not all surfaces are smooth. When light strikes a rough surface‚ incoming light rays reflect at all sorts of angles because the surface is uneven. This scattering occurs in many of the objects we encounter every day. The surface of paper is a good example. You can see just how rough it is if you peer at it under a microscope. When light hits paper‚ the waves are reflected in all directions. This is what makes paper so incredibly useful -- you can read
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up to 20%. The purpose of them is to hold the heat below within the property‚ reducing heat loss to the roof void and outside but also reducing the amount of heating needed to maintain the property at an ideal temperature. With insulation‚ the property will be warmer‚ more comfortable and it will cost less to heat. How loft insulation reduces heat loss? Heat will always flow from a warm area to a cold one. The colder it is outside‚ the faster heat from your home will escape into surrounding air
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