Surface area Essays

What is the effect of surface area to volume ratio on the rate of diffusion of the colour from the agar jelly cube? INTRODUCTION: Diffusion is the movement of spreading particles from high concentration to low concentration in an environment such as a cell. This major procedure is used in cells to source them with nutrients, water, oxygen, and to transport unwanted wastes such as carbon dioxide out of the cell or to different cellular organelles. In this practical agar jelly cubes will be used

The guiding question, why do the surface area of the solute, the temperature of the solvent mixed affect the rate of dissolution. To answer this question we used three hypotheses to test; if you increase the surface area than the rate of dissolution increases, If you increase the temperature of solvent then the rate of diffusion increases, If you increase the amount of agitation then the rate of dissolution. We predicted that changing the stress, surface area, temperature, and stirring in a controlled

Spiritual Truths about Surface Area and Volume All objects have a certain amount of volume. They also have their own surface area. These two geometric terms have their own unique formulas. The formula for the volume has special formulas for different objects. The equation for volume of cylindrical figures is V=A(B)*H; of conic figures is V= ⅓ A(B)*H; of spheres is (4/3)()(r3). The formula for the surface area has various equations for different objects. The equations for surface area of objects are LA+2B

truth behind them: Painting is as good as seal coating: Seal coating is a protective liquid made of coal, petroleum and acrylic and is specifically designed to adhere to asphalt. Once dried, it binds to the asphalt creating a uniform surface so that your asphalt surface is as impervious as a new one. In contrast, paint doesn't bond like seal coating. Paint can peels and weathers away relatively quickly, allowing the asphalt to be exposed to the damaging effects of rain and snow. Paint can also be eroded

Alicia Navarro: Girl Missing for Nearly Four Years Walks into Police Station Introduction In a stunning turn of events, Alicia Navarro, a young girl who had been missing for nearly four years, walked into a local police station and reunited with her family. The disappearance of Alicia had become a national tragedy, capturing the attention of the media and the public. This article aims to provide a detailed account of Alicia's disappearance, her sudden reappearance, and the impact it has had on

have been recognized as complex, diverse ecosystems whose functions provide an incredible range of beneficial functions and services within the landscape” (BenDor et al. 342). Areas where wetlands were once located were considered wastelands and little was done to protect or preserve these areas. These important ecological areas have been lost in the last two centuries due to industrialization and urbanization. In this paper, I want to explore the threats our wetlands are facing and examine if enough

Runoff, a common problem in many areas, has many causes. These causes, although sometimes avoidable,such as pollution, it can be repaired. As pollution and erosion, two of the main topics in this paper, affect the water quality, the agents aiding the processes are unstoppable. While agents are unstoppable, runoff is still controllable as far as the rate of runoff. When writing a paper such as this, the many information collected is shown in separate paragraphs, corresponding to the ideas. Runoff

other semiconductor having a relatively low band gap energy (CdS, ZnO particles) [16, 17], sensitization of TiO2 surface with dyes (thionine) [18]. There are several benefits of using CNTs in a fiber photocatalytic such as TiO2/CNT system because of its unique optical, magnetic, electrical, mechanical, thermal, gas adsorption properties, in addition exhibit large specific surface area to be a good catalyst support and also can be chemically modified to anchor TiO2 nanoparticles [19, 20]. Possession

be 1 of 28 in the nation. The goal of the IRL is to protect this ecologically significant estuary that is threatened by degradation caused by human activity. The IRL is designated as an aquatic preserve, and Outstanding Florida Waterway, and a Surface Water Improvement and Management (SWIM) Water Body. The IRL is a 156 mile long estuary located in Volusia, Brevard, Indian River, St. Lucie, Martin and northern Palm Beach County. It has three distinct water bodies, Mosquito Lagoon, Banana River

the best? Erosion is the process in which the Earth’s surface gets worn down by the forces of nature, which can be a good or a bad thing. A beneficial result of erosion is the movement of nutrient rich soil to new areas. New plants and trees can grow in those areas, aiding people as well as animals. Erosion can form riverbanks, caves, wetlands, and other habitats for animals to live in. An adverse effect is the devastation to civilized areas. Homes and property can be destroyed from major erosion

The soil surrounding an old disposal facility has been found to be contaminated with the pesticide dieldrin. Dieldrin is an organochlorine pesticide first used as an insecticide on corn and cotton fields. It was later used as an insecticide to control agricultural pests such as termites. Dieldrin is an organic pollutant that is difficult to break down due to the abundance of chlorides attached to the molecule. This compound is insoluble in water but dissolves in organic solvents, fat, and oils. Because

Sofia was playing with play dough and a tea set with her younger brother Leo and older cousin Olivia. They were making cakes out of the play dough and and pretending to drink tea from the little tea cups. They were passing around the little cups to one another and asking each other if they want some “tea.” Later, Sofia and Olivia were trying to make a castle out of Legos. They were also playing with Barbie’s, the two little girls were talking through their Barbie’s and made a whole fantasy life.

Surface mining has several benefits compared to underground mining. Surface mining is done by removing the topsoil with machinery and the coal is then removed from the open coal seam. Surface mining has several benefits compared to underground mining, coal retrieval is high 85% to 90%, contrast to 40% to 70% in underground mines. Yet, it is a highly destructive form of surface mining is destructive to an entire region, the coalfield areas of West Virginia, Kentucky, Tennessee

For our first Quarterly Article Review, we read an article titled, STORMWATER RUNOFF. We learn that “storm water runoff is unfiltered water that reaches streams, lakes, sounds, and oceans by means of flowing across impervious surfaces.” This mostly means that water, for example rainwater, hits the ground. When the water hits the ground, it picks up particles from roads, paring lots, driveways, and roads causing the water to become contaminated. This could never happen, though, if it was not for the

Introduction Wetlands are a vital feature in our environment and over the years the draining of wetlands and removal of plants from wetlands for crop fields and industrial space has created problems in terms of flooding and soil erosion in surrounding areas where wetlands once were. The Effect of Removing Plants from Wetlands will test how significant the flooding in a plant-less wetland environment is. Research Question: What is the effect of removing plants from wetlands? Research Hypothesis: Removing

AIM Design an experiment to study a thermodynamic property of a chemical substance, a chemical reaction, a physical change or chemical phenomenon. BACKGROUND INFORMATION Standard enthalpy change of solution, ∆Hsolnø, is the enthalpy change when one mole of a substance dissolves in water to form a solution of infinite dilution under standard conditions.1 The standard enthalpy change can either be exothermic or endothermic. An exothermic reaction is a reaction where energy is released as a form of

Grocery-cart wheels roll awry in 30318. Squeaking discordantly compared to the rest of Atlanta, this impoverished zip code conceals a dinnertime secret. Instead of vibrant broccoli displays with controlled rain showers, the area’s four grocery stores boast chartreuse candy wrappers and battered pork skins. Beneath hissing overhead lights, exhausted residents haul creaky carts between overstimulating aisles, their plump fingers precursors for later health problems like diabetes and heart disease.

3.2.3: Final Site Plan: The final site plan called for 22 detached units consisting of 1,160, 1227 and 1,420 square foot three-bedroom, two-bath, and craftsman-style units on a 1.34-acre lot. To make the project work, density had to be maximized through small lots with sizes ranging from 1,600 to 2,500 square feet. Space allocated for parking was minimized through one-car garages with a 29- to 31-foot driveway capable of accommodating a second vehicle. The homes were to be located along the perimeter

Stormwater runoff and stormwater pollution begins when rain and snow precipitation flows over the surfaces of our yards, fields, woods, streets, parking lots, and roofs. These watertight areas do not allow the stormwater runoff to naturally soak into the ground. Stormwater picks up dirt, chemicals, debris, fertilizers, oils, bacteria, and other pollutants and migrate into the storm sewer system or directly into a lake, river, creek, wetland, or coastal water. All the pollution that enters the

is you who should adjust to the best time of fishing. • Full moons, and other times where the moon is closer to the earth is best for fishing. • If there is light rain during warm weather means that it is good for fishing since the rain blurs the surface hiding you from the fish. • Seasons also affect fishing. At spring time, it is best to fish during dusk. Summer is a great fishing season as long as you stay away during mid-day where it is too hot because fishes tend to ho to cooler parts of the