a petri dish containing the gel with three wells. Drops of potassium permanganate (KMnO4)‚ potassium dichromate(K2Cr2O7) and methylene Blue were concurrently placed in the wells. Methylene Blue had the smallest diameter which diffused at the slowest Rate of 0.13 mm/min since it has the largest molecular Weight. Thus‚ the larger the molecular weight‚ the slower It will diffuse. INTRODUCTION The particles in different substances are never still because of its capability to keep moving and
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o Video card o Network interface card • Ports and Connectors What is the motherboard? • Main circuit board in system unit • Contains chips‚ integrated circuits‚ and transistors • Also called system board What chip packages are available? • single edge contact (SEC) cartridge • dual inline package (DIP) • flip chip-PGA (FC-PGA) package • pin grid array (PGA Central Processing Unit What is the central processing unit (CPU) ? • Interprets and carries out basic
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Two sculptors attempted to carve David but became diseased. After the large marble stone sat for 25 years‚ Michelangelo was given the contract to complete David after convincing the Operai to let him finish it over Da Vinci. Michelangelo did an extraordinary job at incorporating the elements and principals of design into his sculpture
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of art‚ literature‚ and learning in Europe beginning in the 14th century and marked the transition from the medieval to the modern world. Although he was a painter and architect and loved doing both of them‚ he preferred sculpting and mainly used marble on his sculptures. Michelangelo was greatly interested in art since he was young. He would rather watch the painters at a church than go to school. When he was
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happened yesterday. One memory that will last forever is experiencing Kool Runnings water park‚ I remember we woke up bright an early‚ before the roaster crows. We had packed all sorts of goodies from the night before‚ big foot cheese chips‚ cheese sticks‚ plantain chips‚ bun and cheese‚ we had made corn-beef sandwiches‚ we even had a pot of rice and foil pan filled with steam fish. We were ready for the journey from Spanish town‚ Jamaica to Negril‚ Jamaica‚ which is equivalent to driving from Miami
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Hermes and Dionysos together were approximately seven to seven and a half feet tall‚ and approximately three feet wide‚ including the base that Hermes was standing on. As most of Praxiteles’ sculptures were‚ this sculpture was originally made of marble‚ but the copy viewed was made of plaster cast. Hermes posture was rather relaxed‚ with one arm reaching upward‚ and the other arm bent at the elbow‚ holding Dionysos. The clothing worn by Hermes and Dionysos was scarce. Both were nude‚ which was
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The most common organic molecules are carbohydrates‚ lipids‚ and proteins. Carbohydrates contain carbon‚ hydrogen and oxygen with a ratio of 1:2:1‚ this means that for every 2 hydrogen atoms there is one carbon atom and one oxygen atom. They are necessary for the body to function properly because they provide the fuel that burns to produce energy. Carbohydrates come in the class of either a monosaccharide‚ disaccharide‚ or polysaccharide. Monosaccharides are the simplest form of a carbohydrate‚ disaccharides
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A wireless LAN or WLAN is a wireless local area network‚ which is the linking of two or more computers or devices without using wires. WLAN uses spread-spectrum or OFDM modulation technology based on radio waves to enable communication between devices in a limited area‚ also known as the basic service set. This gives users the mobility to move around within a broad coverage area and still be connected to the network. For the home user‚ wireless has become popular due to ease of installation‚ and
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On our trip to the beautiful Hindu temple BAPS Shri Swaminarayan Mandir in Bartlett me and our group had a great experience to see what the Hindu culture is all about. I have never been to any other church other than Greek Orthodox and Christian churches. I quite enjoyed the Hindu Temple experience because of the beautiful architecture both inside‚ outside and the great atmosphere surronding. From the time you enter through the gate that leads to the temple‚ you realize that this is a very special
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dioxide and excess oxygen gas are passed over a few plates of vanadium (V) oxide‚ V2O‚ the catalyst at 450°C to produce sulphur trioxide‚ SO3. 2SO2 + O2 2SO3 Stage 3: Formation of Sulphuric Acid 1. In the absorber‚ sulphur trioxide‚ SO3 is first reacted with concentrated sulphuric acid to form a product called oleum. SO3 + H2SO4 H2S2O7 2. The two reactions in stage 3 are equivalent to adding sulphur trioxide directly into water. SO3 + H2O H2SO4 3. The addition of sulphur trioxide directly
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