A physical property of water that is necessary to life on earth is the fact that ice floats. Ice is held by its hydrogen bonds in a crystal like structure in which each water molecule is bound together by 4 hydrogen bonds to other water molecules. These bonds are packed less tightly than they are in liquid water, so solid water is less dense than liquid water and therefore floats. This isn't the case in most other liquids. It's a good thing that ice floats because if it didn't then water would freeze from the bottom up. That would make it impossible for life to exist. Instead, ice forms a protective layer which keeps the water at least over zero Celsius allowing organisms to survive.…
Water provide and the medium for transportation, acts as a solvent, participates in chemical reaction, provides lubrication and shock protection, and aids in temperature regulation in the human body.…
Water is one of the most important molecules necessary to life. humans, for example, are made up of 70% water.…
Someone can go from having everything to nothing, in a blink of an eye. Having everything that was needed and desired to having nothing can really change the way people act and function. In this world there are two types of people, people that have to work for their necessities and people that just get handed what they want. But what happens when it all gets taken away from one mistake? A tragic hero is a great or virtuous character in a dramatic tragedy that is destined for downfall. In the play Oedipus the King, written by Sophacles, the main character is a tragic hero by displaying error in judgement, excessive pride, and reversal of fortune.…
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 solvent. You will investigate the life-sustaining properties of water throughout this lab.…
Water is a liquid that is essential for the survival for any and every human being on the planet. More than 60% of the weight in a human is made from water. Other than just using it for survival, we as human beings have also used it for many different purposes such as, personal hygiene, the production of energy, and even as a master bomb created by the military. Water is also the main ingredient for plants to grow and as humans we need these plants as food to survive. Water is an every day resource for us humans to use in many different ways. If we did not have water we would not be able to survive. Humans would die from dehydration and plants and animal life would follow. In conclusion water is the key resource for everyday life, as we know it.…
Water (H₂O) is a liquid at room temperature, and its unusual properties provide the basis of many biological processes and organisms. In humans water is the vital product of respiration (C₆H₁₂O₆ + 6O₂ = 6CO₂ + 6H₂O.) The importance of water being produced as a product of respiration is that water is a main component of the human body (a human body consists of 65% water), and plays a key role in many biological processes that occur.…
Water is the most abundant substance in living cells; approximately 60% to 80%. Water molecules are polar, it determines why ionic bonded molecules dissociate in water. Hydrolysis is when water breaks down larger molecules of food during digestion. Water is considered to be a universal solvent. Water is also important for the transport of materials like hormones and enzymes within the blood plasma. Water helps to stabilize body temperature because it absorbs and releases high levels of heat before its temperature changes. Water serves as a shock absorber and finally it is a base for all body lubricants in system,…
The importance of water as a solvent is it serves as a transport system for nutrients and waste products in living things…
* they are three main types of monosaccharides which you have to know in this level which are…
Water is important to living organisms because its molecules can move freely enabling chemical reactions to occur easily in solution. For example, seminal fluid is mostly water which enables fertilisation to occur…
Water helps maintain homeostasis and transports nutrients to the cell. It also helps remove waste products from the body. All beverages and foods with lots of moisture provide you with your daily water intake, such…
Water is the most abundant molecule on Earth's surface. It is essential for life on Earth. The unique properties of water makes life possible on earth.…
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 therefore making the hydrogen positive and the oxygen negative (a dipole molecule). Hence water being a polar molecule, the result of this lets water get attracted to other polar molecules and more importantly to other water molecules. Hydrogen bonds form in-between these polar molecules. The many unique properties water withholds will be discussed in this essay varying from its thermal properties to its solvent properties.…
In our life, water plays an important role. It is the source of life. It is a irreplaceable element with human survival and development. Our life can not without water, depend on research, human can’t without water more than 72 hours, fish can’t without water more than 20 minutes, plants can’t live without water also, on the earth, where has water, there has life. Life originated from water. 65% of our weight is water, there into, 75% of brains is water,83% of blood is water,76% of muscle is water, even in our bone, include 22% water, and in modern factory, haven't any apartment can't operate without water. In this research I will talk about the important of saving water, the reason of why we have to saving water and how to saving water at home.…