"Water" Essays and Research Papers


Water Pollution Water – The Elixir of Life   Can you imagine life without water?  Take a minute and think about it.  We need water for all our daily essential activities – drinking, bathing, cleaning…   In fact, every living thing on this planet needs water Water pollution   And what do we do with this vital resource?   We take its all important ability – we all know that water can dissolve many of the thing that we dump in it – to make it a giant rubbish bin. In fact, we even throw things...

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Drinking too much water can lead to hyponatremia, water intoxication, water poisoning and death Liquid H2O is the sine qua non of life.   Making up about 66 percent of the human body, water runs through the blood, inhabits the cells, and lurks in the spaces between. At every moment water escapes the body through sweat, urination, defecation or exhaled breath, among other routes. Replacing these lost stores is essential but rehydration can be overdone. There is such a thing as a fatal water overdose.   ...

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A 2007 study finds that discharge of untreated sewage is the single most important cause for pollution of surface and ground water in India. There is a large gap between generation and treatment of domestic waste water in India. The problem is not only that India lacks sufficient treatment capacity but also that the sewage treatment plants that exist do not operate and are not maintained.[1] The majority of the government-owned sewage treatment plants remain closed most of the time due to improper...

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to tell about  WATER water is the most imp thing on earth.without water no life.We take it for granted, we waste it, and we even pay too much to drink it from little plastic bottles.  And still, today, nearly 1 billion people in the developing world don't have access to it. Clean, safe drinking water is scarce. It is the foundation of life, a basic human need. Yet today, all around the world, far too many people spend their entire day searching for it. Simply put, water scarcity is either...

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Running head: Should water be sold as a product or it is a human right that cannot be sold Water as the commodity Bakai Raiymkan uulu KIMEP University, Almaty Abstract Outline 1. Introduction A. Water is necessary for a wide range of human activities. B. Water is a finite resource. C. Water is distributed unequally among the nations. Thesis Statement: While some see the positive sides to considering water as a commodity, others foresee the negative effects that such idea...

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Results 1. We cannot tolerate children dying for a glass of water The Guardian (London) - Final Edition, March 8, 2006 Wednesday, COMMENT; Pg. 32, 923 words, Kevin Watkins Return to List 1 of 1 DOCUMENT The Guardian (London) - Final Edition March 8, 2006 Wednesday We cannot tolerate children dying for a glass of water BYLINE: Kevin Watkins SECTION: COMMENT; Pg. 32 LENGTH: 923 words The rich world must act to prevent dirty water and poor sanitation now killing more than a million children...

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Salt Water vs Fresh Water

Salt Water or Fresh Water, Which Would You Prefer? Many people wonder, what big differences are between salt water and fresh water? Is it just water with salt versus water without salt? Those are some common questions people have. Most people ask about the differences, but they forget about the similarities of salt water and fresh water, as well. Did you know that Salt water and fresh water have very different plant and animal life? There are also a few complex fish that can live in...

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Properties of Water

Properties of Water Water is essential for life as we know it on earth. It is used by plants and animals for basic biological processes which would be impossible without the use of water. The origin of all life can be traced back to the water in the Earth's precambrien seas. Water is also the universal solvent. It reacts with more elements and compounds than any other substance known to man. Water is a polar molecule made up of on atom of hydrogen and two atoms of oxygen. It is attracted...

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Importance of Water

how hydrogen bonding occurs between water molecules, and relate this and other properties of water, to the roles of water in living organisms. Water is a very small molecule, consisting of two hydrogen atoms covalently bonded to an oxygen atom. However the electrons shared are not done so equally, oxygen is more electronegative and has a firmer hold on the electrons and pulls them slightly towards its nucleus. Due to this, the charge across the molecule of water is not equally distributed, and the...

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Water Essay

Water is an odorless, colorless, tasteless chemical compound that makes up well more than half of the human body. In addition to being prominent in the make-up of the human body, it also covers all but approximately 30% of the Earth’s surface, and can be found naturally in all three states of matter: liquid, solid and gas. Water is a covalent bond known most commonly by its empirical form; H2O. It can also be identified by the Lewis Dot Structural form shown in the figure in the upper right corner...

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Water and Electrolytes

------------------------------------------------- Water and Electrolytes Water constitutes 50-55% of a woman's body weight and 55-60% of man's weight. Water gives structure and form to the body, helps maintain body temperature, and also creates the necessary environment for cell metabolism. There are two compartments of body water, extracellular and intracellular fluid. Extracellular fluid (ECF) is water found outside of cells. Making up approximately 20% of total body weight, the ECF consists...

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Water on Mars

Water and Life on Mars Mars perhaps first caught public interest in the late 1870s, when Italian astronomer Giovanni Schiaparelli reported using a telescope to observe canali, or channels, on Mars. By the turn of the century, popular songs told of sending messages between Earth and Mars by means of huge signal mirrors. On a darker side, H.G. Wells' 1898 novel The War of the Worlds portrayed an invasion of Earth by technologically superior Martians desperate for water. (1) In the early 1900s...

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Water Recycling in Community Water Systems

Report on Recycling of backwash and RO reject water Content: Objective Rationale Implementation Details Schematic diagram Process Outcome Conclusions & Recommendations Illustration Objective: To recycle the backwash and RO reject water. Rationale: To recycle backwash and RO reject water for better utilization of water and help in its conservation. Implementation Details: Location: Naagulapalem Plant type: ...

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Ground Water

GROUND WATER THE WATER/HYDROLOGIC CYCLE * Composed of evaporation from the oceans * Movements of moist air inland * Condensation and precipitation * Run-off on the surface or sub-surface back to the ocean * Plus additional minor cycles * Involves the exchange of water with the atmosphere, the earth, and the different water forms * Done when clouds gain water vapor from the various water forms * Evaporation – process where water turns into steam or gas when the...

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Water Potential

Water Potential Teacher: What is the formula for water? Student: H, I, J, K, L, M, N, O Teacher: That's not what I taught you. Student: But you said the formula for water was...H to O. Prepared by Lower concentration of solute Water potential – the ability of water move out of the solution through osmosis. Solute molecule Equal concentration of solute Higher concentration of solute H2O Selectively permeable membrane Water molecule Solute molecule with cluster of water molecules Net flow...

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Water Molecules

the greatest volume of water?” Design an investigation to provide an answer for the student. Be sure to include • the materials needed. • a numbered procedure. • the independent and dependent variables. • important data that will answer the question. • ways to help ensure the accuracy of the results. Materials: Several paper towels, a flat dish, bottled water, a thermometer, a tong, a ruler, and an scale, Procedure: (1) Weigh the sick + water (2) Measure each sample...

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Water and Bubble

invisible bond that holds water molecules together. Water is a polar molecule, so it has plus and minus ends just like magnets that attract each other. When the water molecules align with each other they stick together, creating surface tension. You might think that it is the surface tension of the water that holds the skin of a bubble together. Actually, the surface tension of water is too strong to make a bubble. You can try yourself to blow a bubble with plain old water, it just won't work! A good...

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Essay on Water

April 30 2009 ------------------------------------------------- Essay on Water Published by admin at 3:58 am under Example Essays Introduction Water is an essential ingredient for the existence of life as we know it. Biochemical processes occur in aqueous environments, many of which use water. Water also plays a significant role in the process of photosynthesis ( 6 CO2 + 6H2O + 672kcal -> C6H12O6 + 6O2 ). Photosynthesis is the most basic and significant chemical reaction on earth, providing...

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Water and Desalination

on the desalination of water. The desalination of water is very important to human and animal life. For centuries humans have used the process of desalination to obtain water safe for consumption.Various methods of desalination have been produced however only some of those methods are widely used today. Although there are numerous methods of desalination all of them involve three liquid streams: the saline feedwater (seawater or brackish water), low-salinity product water, and very saline concentrate...

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The role of water

Properties of Water are Important in the Functioning of the Human Body Student Name: Eleanor Thoms Student Number2989 Date: 10.04.14. Skills and areas for development that were targeted in this assignment: Links to the Properties of Water Internet Research (I am living in Singapore so library option is limited) There has been much debate over the years about the amount of water the human body needs to survive and maintain optimum health. Howard cites that “Water is a basic nutrient...

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Water and Biodiversity

Watch 3/2010 // Biodiversity and water Biodiversity and water Countries are working together to implement legislation that seeks to increase the resilience of biodiversity in aquatic ecosystems by balancing sustainable water use with the long-term protection of available resources. Biodiversity and water Countries are working together to implement legislation that seeks to increase the resilience of biodiversity in aquatic ecosystems by balancing sustainable water use with the long-term protection...

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Water and Molecules

Chapter 8 Water/Minerals Sunday, March 24, 2013 6:05 PM   Minerals- naturally occurring, inorganic, homogeneous substances; chemical elements.   Major minerals- essential mineral nutrients required in the adult diet in amounts greater than 100 milligrams per day. Also called macrominerals.   Trace minerals- essential mineral nutrients required in the adult diet in amounts less than 100 milligrams per day. Also called microminerals.   Water-The brain is composed of approximately 80% water. It...

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Water and Soda

piece of matter to another by four different methods: Conduction Convection Evaporation Radiation Conduction is heat transfer by direct molecular interactions, without mass movement of matter. For example, when you pour hot water into a cup, the cup soon feels warm. The water molecules colliding with the inside surface of the cup transfer energy to the cup, warming it up. Convection is heat transfer by mass movement. You've probably heard the saying that "hot air rises." This happens because it...

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Water Analysis

An Introduction to Water Analysis February 1 and February 8 2011 Aim and Objective: The aim of this experiment was to determine the pH level of an unknown HCl solution. While doing so, we would also be receiving a good and fundamental understanding of how to use modern lab equipment to determine the chemical and physical properties of water bodies. Method: Make sure safety gear is always on and equipment is always clean. Part 1- Direct Analysis by pH Test Kit We grab a 50ml beaker...

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Water Essay

Brittany Roberts AP bio WATER ESSAY The first thing water reminds us of is the clear liquid in our water bottles. However, water is more than a normal substance. Water is the beginning and the continual of life on earth. Because of its many unique properties, water was able to start life on our planet. Water covers about 3/4 of the earth. In nature, water naturally exists in all three physical states of matter—solid, liquid and gas. Water's extraordinary properties are emergent properties resulting...

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Pond Water

Brittany Bolling April, 28th 2011 Dr. Woolnough BIO 101 DO6A ABSTRACT: The objective of this study was to observe and understand what occurs in a sample of pond water over the course of six weeks. Over the six weeks there were qualitative and quantitative data found and recorded. The qualitative data recorded entailed: Water color and smell as well as suspended solids ranging from clear, opaque, and turbid. The quantitative data that was recorded regarded: Temperature, pH, Alkalinity, Hardness...

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Salt Water

SALT WATER Introduction: Salt water refers to water that contains dissolved salts, known as saline water or seawater, water from oceans or seas. It is a home to varieties of aquatic animals, for example, fishes and snails. Some of these animals find it difficult to live in fresh water. If salt water animals go to live in fresh water they can not adapt the environment led to die to them. This essay aims to discuss the importance of salt water and the sub- types namely ocean, sea, and coral reefs...

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Water and Estuary

discharges into a sea. In a Southern African context the following is a widely accepted and concise definition of an estuary “It is a partially enclosed coastal body of water in which is either permanently or periodically open to the sea and within which there is a reasonable variation of salinity due to the mixture of sea water and fresh water derived from land drainage”.(Day,1980).The necessity of estuarine sampling and one of the topics being investigated, is that the organisms present in the estuary...

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Properties of Water

Properties of Water Introduction: Water's chemical description is H2O. As the diagram to the left shows, that is one atom of oxygen bound to two atoms of hydrogen. The hydrogen atoms are "attached" to one side of the oxygen atom, resulting in a water molecule having a positive charge on the side where the hydrogen atoms are and a negative charge on the other side, where the oxygen atom is. This uneven distribution of charge is called polarity. Since opposite electrical charges attract, water molecules...

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Experiment: Fresh Water

Fundamental Science Salt water egg experiment Result Some objects float on top of the ocean, and other objects sink to the bottom. Why? In this salt water egg experiment we can find a solution for this question. It was noted that to make the egg float salt is needed to dissolve into fresh water. When the egg was lowered into the fresh water container it started to sink. But when salt was added to the container the egg started to float. Adding salt to the water squishes more molecules...

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Water Lab Conclusion

properties of water were tested and proved. These trials and experiments were able to verify the adhesion, cohesion, polarity, temperature stabilization, solvency, and density changes exhibited by water.    During the glass and wax paper lab, we observed the adhesive properties of water. When a droplet of water touched the glass, it dispersed immediately. The droplet placed on the wax paper remained intact and in droplet form. Also, when the glass and wax sheets were flipped, the water remained on...

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Biological Importance of Water

The Biological Importance Of Water Water plays a huge role in our lives, the molecule which is comprised of two atoms of hydrogen and one atom of oxygen bonded together has many complex properties. The molecule maintains a bent shape due to its tetrahedral arrangement and the negative lone pair of electrons on the oxygen. The electrons from both hydrogen and oxygen are joined covalently but the difference in electronegativity lets the electrons from hydrogen get pulled slightly toward the oxygen...

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The Biological Structure of Water

The Biological Structure of Water Water is a substance with the chemical formula H2O: one molecule of water has two hydrogen atoms covalently bonded to a single oxygen atom. Its structure enables it to carry out many important functions in the body. Water molecules are charged, with the oxygen atom being slightly negative and the hydrogen atoms being slightly positive. These opposite charges attract each other, forming hydrogen bonds. These are weak, long distance bonds that are very common...

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The Biological Importance of Water

The Biological Importance of Water! The ultimate importance of water is none other than the fact that life cannot exist without it. Water being the major component of our body cells, typically making 70-95% of it, constructs the body mass with approximately 80% being water. Humans are not the only ones who contain the valued material but other creatures like the jellyfish hold 96% of water as their body mass. The structure of the water molecules enables it to have extreme properties that are...

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The Biological Importance of Water

Importance of Water for Living Organisms Water is made up of two elements, 2 positively charged hydrogen molecules and one negatively charged oxygen molecule. Water molecules have uneven charge distribution as one end of the molecule is slightly positive and the other slightly negative, this is called polar. Ionic substances such as sodium chloride dissolve easily in water because the positively and negatively charged ions are separated due to the dipole nature of water. As water is dipolar,...

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Uses of water in living things

The Uses of water in Living Things Topics I have chosen to cover: - Osmosis & Water potential - Condensation & Hydrolysis Reactions - Digestion – the importance of water - Blood and tissue fluid To emphasise the sheer importance of water in living things and to put the content of this essay in to perspective, I am firstly going to inform you that the human body is approximately 50-75% water. Without water our body would be unable to successfully perform the numerous complex reactions...

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Water Potential of a Potato.

Investigating the Water Potential of a Potato. I have been asked to investigate the water potential of a potato. During my investigation I will not actually be able to measure a value for, as it is a pressure value (kPa). Osmosis is a special form of diffusion involving only water molecules. It is defined as "The passage of water from a region of high water potential to a region of low water potential through a partially permeable membrane" Definition of Water Potential. The potential for water to move...

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The Importance of Water in Living Organisms

Water has importance inside cells and externally. This may be because it has interesting chemical and physical properties; it can be found naturally in all three of its states. However its molecules are bonded together by hydrogen bonds, this raises its melting and boiling points, i.e. its boiling point would be -120¢ªC rather than 100¢ªC. Also because it contains slightly negatively charged oxygen atoms and slightly positively charged hydrogen atoms making it polar. <br> <br>Water has been called...

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Water temperature effects on sugar

project is to demonstrate how water temperature affects the dissolving of sugar in liquid. Everything in our universe is made up of particles which are in constant motion. In a solid state particles move the slowest while in a liquid state particles move the fastest. Under the right conditions, solid particles (the solute) when mixed in liquid (the solvent) can form a solution. This occurrence is called dissolving. I wanted to answer the question; does the temperature of water affect the speed at which...

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Water and Vinegar Egg


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Surface Tension of Water Research

science fair project is on the surface tension of water and what affects the surface tension of water. The question that I am going to ask is how does temperature and salinity of water affect the surface tension of the water. My hypothesis is that the colder and the saltier that the water is, the stronger that the surface tension of the water will be. Some of the background research that I have done has explained to me that the surface tension of water is a property of a liquids surface that can cause...

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Water Resources Should Be Nationalized

WATER RESOURCES SHOULD BE NATIONALISED India is one country united by various states to have peace within,we should live together by sharing our wants with each other. Surplus should be shared. Every state has dispute in sharing water resources with its neighbouring state. Then and thereproblem arising between peoples of two states.they are not allowing neighbouring state vehicles to enter into their state. We have enough water from nature but we tend to overuse or misuse it. ...

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Osmosis: Hot Water

9/11/2012 | | Introduction: Osmosis and diffusion are two procedures that are critical for cell survival. Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration. Osmosis is the movement of water molecules across a cell’s membrane. These two procedures help a cell to survive because they help maintain homestasis. (Diffusion) Homestasis is the steady or balanced state of a cell. (Diffusion) Therefore it is important to find what conditions will...

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Water Potential and Osmosis

is the movement of water across a selectively permeable membrane. In osmosis, water diffuses across the area of lower solute concentration to that of higher solute concentration until the solute concentrations of the environment and the cell are equal. Tonicity, which is the ability of a solution to gain or lose water due to osmosis, results in an environment that is isotonic, hypertonic, or hypotonic. A hypotonic solution has a lower solute concentration than the cell so water moves into the cell...

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Sublimation of Dry Ice in Water

Science Project : Sublimation of Dry Ice in Water Christopher Drake Dana Smith Panut Panusiri Ehsan Subhani Period 4 Honors Chemistry Mr. Mattson Table of Contents Purpose 3 Experimental Questions 4 Preliminary Research ...

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Chemistry- Purifying Water

human are completely dependent upon. Population growth, water-intensive agriculture and economic development are using water faster than it can be replenished. Our Earth is a place where beauty exists, a place where 6.6 billion people and 15 million other species live, a place filled with 1.4 cubic kilometers of water. Although 70% of the planet’s surface is blanketed with deep oceans water, freshwater only form less than 3% of the total water and the rest are saltwater. Besides that, only 30% of the...

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Water and Line Graph

in a fluid, such as water. Since virtually every living organism requires oxygen to survive, it is a necessary component of water systems such as streams, lakes and rivers in order to support aquatic life. The dissolved oxygen is measure in units of ppm—or parts per million. Examine the data in Table 2 showing the amount of dissolved oxygen present and the number of fish observed in the body of water the sample was taken from; finally, answer the questions below. Table 2: Water quality vs. fish population...

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The Importance of Water in Ancient Societies

Number One: The Importance of Water in Ancient Civilizations When life began there was water to help it grow and when life is over there will be water to end it. Water is a basic necessity that furnishes the plants for growth, replenishes mammal life, and is a constant reminder of life. In ancient complex river societies water provided a beginning and advancement opportunity in agriculture in that it cared for plants, provided for animals, replenished drinking water, and was a beacon for trade...

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Boiling Water, Condensation and Dissolving.

matter in solids, liquid and gaseous states applied to the concept cartoons which are then compared to a child’s conception of the following scientific investigations; sugar added to a cup of tea, when water is boiling, and the reasons behind condensation on the outside of a glass filled with water and ice cubes. I am then to compared the 'correct' answers to my child’s answers and explore where the child is coming from and why they believe their answer is correct. The child I interviewed is 10...

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The properties of water notes

____________ Properties of Water Lab Introduction: Water is a simple molecule, yet itʼs most vital to all living things. It has the highest specific heat of everyday substances. Unique properties of water enable it to carry out functions that no other substances can. In a neutral aqueous solution, five molecules of water are bonded together by weak hydrogen bonds. Furthermore, due to the electronegativity of oxygen, water is a polar molecule. Due to its polarity, water is classified as the universal...

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Complex Determination of Water Hardness

 Complexometric Determination of Water Hardness.            Abstract: Using complexometric method of calculating water hardness, an EDTA solution was made and calculated to be around .00209M. This EDTA solution was then used to titrate a water sample with unknown hardness. The sample used was sample #18. The hardness of the sample was calculated to be 180505 ppm. This is within normal levels for the Mesa area.           Introduction:  This experiment focuses on titration with...

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The Miracle of Zam Zam Water

The Miracle of Zam Zam Water Come the Hajj season, and I am reminded of the wonders of Zamzam water. Let me go back to how it all started. In 1971, an Egyptian doctor wrote to the European Press, a letter saying that Zamzam water was not fit for drinking purposes. I immediately thought that this was just a form of prejudice against the Muslims and that since his statement was based on the assumption that since the Ka'aba was a shallow place (below sea level) and located in the center of the...

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Benefits from Water

BENEFITS OF DRINKING WATER The human body, which is made up of between 55 and 75 percent water (lean people have more water in their bodies because muscle holds more water than fat), is in need of constant water replenishment. Your lungs expel between two and four cups of water each day through normal breathing - even more on a cold day. If your feet sweat, there goes another cup of water. If you make half a dozen trips to the bathroom during the day, that's...

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Pond Water Essay

Why this is no longer a perfect date 12/8/2007 Aaron Gonzalez   Materials and Methods  Nikon Compound Microscope  Glass Microscope slides  Cover Slips  Paper Towels  Thermometer  Glass Jar  pH Strips I took the sample pond water from the library pond (Central Michigan University), thinking well during mock rock this year I want to know really what I am swimming in. So I took a jar then scooped it up from the muskiest part of the pond. After collecting the sample we placed...

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The Latent Heat of Vaporization of Water

Latent Heat of Vaporization of Water The Latent Heat of Vaporization of Water Aim: The aim is to determine the latent heat of vaporization of water by doing an experiment of boiling water. Theory: The latent heat of vaporization is the amount of energy that is required to transfer a kg of liquid from the liquid state to the gaseous state. This transformation appears, when water is heated. The temperature of the water keeps increasing, until it has...

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The Importance of Water to Life on Earth

Water is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. This essay will examine the water molecule in order to ascertain how it brought about Earth's thriving ecosystem and how important it is to us today. Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom (or the apex of the water molecule) bears a slight electronegative charge while hydrogen possesses a more positive...

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Biological importance of water

The Biological Importance of Water Water is perhaps the most important molecule for the survival and life of organisms. On the surface of the planet there is obviously much more area of water than land, which shows its significance. The fact that water makes up 60-95% of all living organisms shows the incredible biological importance of water. Water has many uses and roles, one of them it being used as a support unit in plants. The uptake of water by plant cells creates a pressure against the...

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Investigating Water Potential of Swed

eInvestigating water potential of swede The aim of our experiment was to investigate the water potential of swede and then use our results to help us determine the water potential of plant tissue. This overall flow of water from a dilute area of high water potential to a more concentrated solution of low water potential across a partially permeable membrane is called osmosis. I predicted that the swede cylinders which are put in a test tube with a low potential of sucrose solution would become...

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The Importance of Water to Life on Earth.

Water is the most important substance in our evolution and our daily lives. Without water, life as we know it would not have been possible. This essay will examine the water molecule in order to ascertain how it brought about Earth's successful ecosystem and how important it is to us today. Each water molecule consists of one oxygen atom and two hydrogen atoms. The oxygen atom bears a slight electronegative charge while hydrogen possesses a more positive one. Because opposite charges attract, the...

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The biochemical importance of water

BIOCHEMICAL IMPORTANCE OF WATER Of all the simple chemicals that are found in abundance on Earth, only water is liquid under normal pressure and temperature. When life first appeared on planet Earth, water has played an important role in creating the first organic compounds. The organic compounds later, formed the first prokaryotic organisms. Life began, as the modern theories support, in water and developed for three billion years in it before spreading on land. It is no coincidence that the...

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