The Effect of Molecular Weight on the Diffusion Rate of Substances Jesselyn P. Rodriguez Group 4 Section X-2L August 13‚ 2013 ------------------------------------------------- ------------------------------------------------- ------------------------------------------------- ABSTRACT The effect of molecular weight on the rate of diffusion of substances is tested using two tests: the glass tube test and the agar-water gel test. In the glass tube test‚ two cotton balls were soaked
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THE RATE OF DIFFUSION OF SUBSTANCES PRINCESS AYNAH D. SANGGACALA Biology 101.1 Professor Christina A. Barazona September 15‚ 2014 THE EFFECTS OF MOLECULAR WEIGHT ON THE RATE OF DIFFUSION OF SUBSTANCES In partial fulfillment of the requirement For Biology 101.1 By Princess Aynah D. Sanggacala Professor Christina A. Barazona September 15‚ 2014 ABSTRACT The effect of molecular weight on the rate of diffusion was figured
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Duffey CADS 2300 Due: 9/4/2013 Impact of Permanent Settlement on City Design in Mesopotamia Introduction The desire to have a place to call home is deeply rooted in the ancient history of our world. While hunting and gathering proved to be sufficient up until this point‚ life in settlements and cities was‚ and remains to be paramount. Even prior to other worldly connections‚ the region of Mesopotamia developed into several successful villages and cities. While tensions ran high throughout
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prompting many societies to resolve it. An enduring issue that can be taken note of is cultural diffusion. Cultural diffusion depicts the spread of cultural practices‚ ideas‚ beliefs‚ and innovations‚ often through trade and migration. From medieval times up until now‚ this matter has left a great mark on society. The impact of cultural diffusion is an issue that has affected many people. Cultural diffusion has impacted people and societies around the world. The silk road facilitated the exchange of
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The Effect of Varying Molecular Weights on the Rate of Diffusion of Substances August 22‚2012 ABSTRACT The effect of molecular weight on the rate of diffusion was verified by the 2 tests: the glass tube setup and the water agar-gel setup. In the glass tube setup‚ two cotton balls were soaked in the solutions of hydrochloric acid (HCl) and ammonium hydroxide (NH4OH) and were simultaneously placed on both ends of the tubing.NH4OH had a lighter molecular weight of 35 g/mole which diffused
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ABSTRACT The effect of molecular weight on the rate of diffusion was measured using two tests namely: the glass tube test and the agar-water test. The set-up of the glass tube test used two cotton balls of the same size. One cotton ball is moistened with hydrochloric acid (HCl) and the other one is moistened with ammonium hydroxide (NH4OH). The two cotton balls were inserted in both ends of the glass tube. NH4OH which has a lighter molecular weight (35.0459 g/mole) diffused with a faster rate (dave=20
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The Epic of Gilgamesh Bronze Age Mesopotamia had a distinct culture and tradition; their rich cultural heritage was passed down by some incredible fictitious and non-fictitious writings like the ‘Epic of Gilgamesh’. There are many inferences that can be made about Bronze Age Mesopotamia by reading the ‘Epic of Gilgamesh’. It’s clear from this document that the dichotomy between a tyrannical and a just leader existed in the society where the leaders were expected to be courageous‚ bold and adventurous
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understanding on how osmosis and diffusion works. In its simplicity‚ it explains the process that our bodies (mainly cells) use all the time. It also showed me that even with the temperature changing‚ it doesn’t drastically change the rate of diffusion. Introduction Diffusion is important in all living systems. Osmosis is the passage of water from a region of high water concentration through a semi-permeable membrane to a region of low water concentration (Purchon 1). Diffusion is the movement of a substance
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Essay Mesopotamia and the Indus River Valley Throughout the ages; societies around the world have been compared and contrasted‚ this is due to the growing interests of the human mind. Although the Indus River Valley was complex and exceptionally organized due to it’s agricultural opportunities‚ Mesopotamia serves as a more remarkable society. Known for being the ‘cradle of civilization’‚ Mesopotamia formed a benchmark as the most ancient highly developed society. While Mesopotamia was the
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Mesopotamia and Egypt Ancient civilizations across history have shown unique and incredible feats of mankind. Arguably‚ two of the most prominent ancient civilizations in the Middle East and even the world are the Mesopotamians (Beginning 5‚000 B.C.) and Egyptians (Beginning 3‚150 B.C). Even though these two civilizations peaked about 2‚000 years apart‚ they share numerous similarities contributing to their success‚ and also show even more differences that distinguish how each had a unique culture
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