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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Aisne‚ France‚ Alexandre Dumas grew to become one of France’s most notable authors. His father‚ born in the French colony of Saint Domingue‚ located in the Caribbean‚ was a Creole general for the French Revolutionary armies‚ and his mother was the daughter of an inn-keeper. Given Thomas-Alexandre Dumas’s lineage of a mother who was of Afro-Caribbean ancestry‚ Alexandra Dumas himself was also a man of Afro-Caribbean descent through blood. At the tender age of four‚ Dumas lost his father to cancer
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you for using WritePoint. Pushing‚ believing‚ and striving; losing weight is a challenge. Losing weight can be difficult for some people or maybe for most people due to [Check word usage: This phrase is most accurate in referring to something owed ($5 due) or an arrival time (due at 6:00)--try "because" or "because of"] the discipline it takes. Losing weight is a major concern in today’s society and most people having unsuccessfully tried and failed at keeping their weight and their
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Two Methods for Losing Weight COM/155F2 August 17‚ 2013 Eating healthy and exercising should not be a temporary way of fixing one lifestyle; instead it should be a change in your lifestyle. Making this a permanent part of an individual daily life will not only make you look good on the outside but make you feel good on the inside. To help increase our life span we must learn to eat healthy foods and exercise daily. There are some things we must adhere to. Reducing your sugar and calorie
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Weight Loss Different Methods for Weight Loss Alicia‚ Nicollette and Kenneth Abstract There are many different reasons why people choose different weight loss methods. Health reasons‚ higher self-esteem and satisfaction with physical image are just to name a few. There are a few different methods one can go about achieving any weight loss goal. . Different Methods of Weight Loss The most common and safest option in weight loss is diet and exercise. This option is the most difficult
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signature. Student’s signature: Jessica Johnson Choosing a proper weight loss method for a healthier lifestyle In today’s society many people are fixated on various weight loss methods. There are so many different methods to choose from. These choices range from extreme workout methods‚ such as the popular PX90‚ to interactive video games‚ such as the Nintendo WII fitness. Many people go to such extremes to lose weight that they cause more damage to their bodies. It is important to maintain
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A plants volatile organic compound (VOC) composition is the hand that swats unwanted visitors‚ welcomes visitation from much needed pollinators‚ and the substantial determinant in a plants identity and overall evolutionary fitness within the plant community. Understanding the mechanics of volatile formation is essential in interpreting their importance in plant life‚ and in plant-animal interactions. A huge allocation of energy is assumed to be given to the production of volatiles‚ and is therefore
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Two ways of losing weight: Two ways of losing weight are eating healthy and exercising. These are the two most important methods of losing weight. These are the best methods. There are many ways to lose weight‚ from diet and exercise to extremes measures such as surgery. Diet and exercise is the healthiest way for a person to lose weight. Simple modifications in one’s diet combined with regular exercise can have a dramatic effect and will encourage habits
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|The similarities between the two are: you can lose weight‚ more | |subjects‚ or concepts? List as many similarities as you can. |energy‚ feel better‚ less risks of having health issues | |What are the differences between the two objects‚ people‚ |The differences are: one is a life style change‚ the other is a | |subjects‚ or concepts? List as many differences as you can. |temporary fix. Regain weight | |Are you going to focus
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