Through the operation of the water circulation on the earth, the entire. Some physical properties of water are listed below. Khublaryan 577,000 km3 per year a mean water layer of 1. Properties of water the importance ofwater in living organisms results from its unique physical and chemical properties. Theobald abstract evaluations based on the nutrient content of the inflow, outflow, water in storage, and the dissolvedoxygen deple tion during the summer indicate that the trophic state of. The most significant areas of distinction between a thermal black and a furnace black are particle size and structure. The ability of water to undergo a process called electrolysis is among its chemical properties. Physical and chemical properties of water salt water and salinity hydrothermal vents salt water and salinity seawater contains most all elements found on earth most of the solutes are made of a small group of common ions solute the substance being dissolved by the solvent salt water and salinity six 6 ions compose over 98% of solids in seawater. Physical properties of domestic water water is unique in that it is the only natural substance that is found in all three states liquid, solid ice, and gas steam at the temperatures normally found on earth. Physical and chemical properties ppt linkedin slideshare. Ppt physical properties of water powerpoint presentation. The structure and properties of water introduction to chemistry.
The physical and chemical properties of fortynine different fly ash products from different sources within the united states were evaluated. The atom electrons particles with a negative charge establish links between themselves. The major chemical and physical properties of water are. Matter has observable using your senses and measurable qualities that can help us identify, describe, and classify matter. Chemical water quality parameters and its testing ph of water. Physical, chemical and biological characteristics of water 3. This is caused by hydrogen bonds that form between the slightly positive and negative ends of neighboring molecules.
Although these properties are familiar because of the omnipresence of water, most of the physical properties of water are quite atypical. Physical and chemical properties of matter authorstream. The water has a higher melting point, boiling point, and heat of vaporization than most common liquid. The chemical properties of sea water earth science recent scientific discoveries revealed the presence of vast frozen reserves of water around the martian polar. H2o is a transparent fluid which forms the worlds streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms. Physical properties can be determined without changing what its made of, and chemical properties can only be determined by changing its composition. Water is an inorganic substance, which is an essential nutrient for humans. Water quality testing and parameters analysisphysical and. Difference between physical and chemical properties. There are three teaching tools included with each product in this bundle.
Chemical and physical characteristics of water and sediment in scofield reservoir, carbon county, utah by k. The most significant areas of distinction between a thermal black and a. The evaluation was conducted based on the standard physical and chemical requirements of astm c 618, standard specification for coal fly ash and raw or calcined natural pozzolan for use in concrete. Quantity and quality management 3 of g roundwater presents the best of current. Jul 26, 2016 we mention that water makes up 34 of the earths surface and we wish we had said nearly this number is going to be an estimate, but here is a source that puts it around 71%.
However, this change is only physical as the the composition of the constituent molecules is the same. Reaction of an acid with a base, flammability, bleaching ability physical and chemical changes this zipped folder contains an editable powerpoint file, editable microsoft word file and a pdf version. A free powerpoint ppt presentation displayed as a flash slide show on id. Water is the chemical substance with chemical formula h2o. The water density decreases on freezing the density of the water in the solidstate the ice is lower than its density in the liquid state as when the temperature of the water decreases. It is one of the important water quality parameters. Physical, chemical and biological properties of water slideshare. Chemically, water is a compound of hydrogen and oxygen, having the formula h 2 o. This bundle is designed to help you deliver, discuss and assess physical science content.
It has a choking smell, and inhalation causes suffocation, constriction of the chest, tightness in the throat, andafter severe exposureedema filling with fluid. Hardness is a natural characteristic of water which can enhance its palatability and consumer acceptability for drinking. Inherent characteristics of a substance that can be determined without altering its composition associated with its physical existence color, taste, odor, state of matter solid. Earths water is constantly interacting, changing, and in movement. Physical properties are the characteristics of matter that can be observed without changing the substance to something else. The physical properties of water water has a high specific heat, i. Chemical, physical and mechanical properties of nanomaterials. Physical parameters of water quality physical characteristic. Groundwater is one of the major sources of drinking water in both urban and rural india and the quality comprises the physical, chemical, and biological properties of ground water. Specific heat is the amount of energy required tochange the temperature of a substance. Ppt physical properties of seawater powerpoint presentation. The key feature of an ecosysteln is the interaction among the biotic and abiotic components. The raw treated water can be checked and analysed by studying and testing these characteristics as explained below. Physical, chemical and biological properties of water.
We mention that water makes up 34 of the earths surface and we wish we had said nearly this number is going to be an estimate, but here is a. The colour of water and ice is, intrinsically, a very slight blue hue, although water appears colourless in small quantities. Dec 01, 2012 the water and its properties the physical, chemical and biological properties of water 5. These unusual properties were recognized in the 19th century seeedsall and mckenzie, 1978, for references, and their importance was discussed early in the 20th century by henderson 19, bayliss 1924, and gortner 1938. Characteristics of water physical, chemical and biological. Ice also appears colourless, and water vapour is essentially invisible as a gas. Johnson research foundation, university of pennsylvania, philadelphia, pennsylvania, usa water is a major component of all living things.
Evaluation of the physical and chemical properties of fly ash. The physical and the chemical properties of the water. These properties include solvency, cohesion and adhesion, high surface temperature, high. It is anomalous in many of its physical and chemical properties. It is chemically active, reacting with certain metals and metal oxides to form bases, and with certain oxides of nonmetals to form acids. Know the types of materials that are dissolved in sea water, their importance and how they vary with time. Some are essential for life while others have profound effects on.
This is why it is used in cooling systems for instance in car radiators or to cool industrial equipment. This fact indicates that there are strong forces of attraction between the adjacent water molecules. These water quality characteristics throughout the world are. Chemical and physical properties how to tell the difference physical properties. Chlorine chlorine physical and chemical properties. Ph of the water is the must water quality parameter that you should check in your lab. Physical properties physical properties are used to identify, describe and classify matter. Given the low molar mass of its constituent molecules, water has unusually large values of viscosity, surface tension, heat of vaporization, and entropy of vaporization. Oxygen is more able to keep them close to it than hydrogen. The chemical formula of a molecule of water is h2o. Chemical, physical and mechanical properties of nanomaterials and its applications by suman ghorai an abstract of a thesis submitted in partial fulfillment of the requirements for the doctor of philosophy degree in chemistry in the graduate college of the university of iowa may 20 thesis supervisor.
Similar to many other substances, water can take numerous forms. Physical, chemical and biological characteristics of water e. Inherent characteristics of a substance that can be determined without altering its composition associated with its physical existence color, taste, odor, state of matter solid, liquid, or gas, density, melting point, boiling point. Physical properties of water at normal atmospheric pressure i. Chemical and physical properties of water 62 waters. Water is a liquid at standard ambient temperature and. Chlorine physical and chemical properties britannica. Water has several other unique physical properties. Physical properties are properties of an element or compound that can be observed without a chemical reaction of the substance. The properties of water a table of several of the chemical and physical properties of water. Physical and chemical properties of matter chemistry libretexts. If you continue browsing the site, you agree to the use of cookies on this website. Characteristic of a substance that can be observed using your senses without changing the substance into something else.
The pure water boils at 100 degrees celsius and freezes at 0 degrees celsius, the high boiling point and the low freezing point of the water are due to the presence of the hydrogen bonds between its molecules. Due to its ability of forming intermolecular hydrogen bonds, water possesses a range of particular physicochemical properties which are of fundamental relevance. Editable physical science powerpoints, notes and exams. Quantity and quality management 3 of g roundwater presents the best of current thinking on managing groundwater resources. Ppt physical and chemical properties of water powerpoint. However, when water freezes, a large expansion occurs. Chlorine is a greenish yellow gas at room temperature and atmospheric pressure. It indicates the hydrogen ion concentration in water. Chemical properties are properties of an element or compound in chemical reactions. For example, the fact that sodium reacts with water is a chemical property. Water, water, everywhere water, water, everywhere which organisms occur at a given place in the marine environment is determined by the physical and chemical properties of the surrounding water powerpoint ppt presentation free to view. Its liquid phase, the most common phase of water on earth, is the form that is generally meant by the word water. Chemical and physical characteristics of water and sediment.
Explain variations in salinity, temperature, and pressure within the sea and how they alter the chemical and physical properties of the ocean. A change in composition occurs when an electric current is passed through a container of liquid water h2o, and the water is broken down to yield the gases hydrogen h2 and oxygen o2. This four minute animation describes the properties of water that support life. It reacts with certain organic compounds to form a variety of products, e. As a chemical compound, a water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds.
595 1084 280 420 1475 544 1201 1248 586 1594 436 729 991 582 313 604 804 284 1498 974 1292 1338 1395 1038 384 643 161 417 1130 869 614 1432 1003 1345 1223 343 554 61 61 1142 686