PPT-Water The solvent of life

Why is water essential for life How does water influence life at the molecular level Which environment is best suited to the development of life Too unstable Too limited Just right Liquid water is essential for life because it provides stability and richness. Solutions. Fundamentals of General, Organic, and Biological Chemistry. 7th Edition. Chapter 9 Lecture. © 2013 Pearson Education, Inc.. Julie Klare. Gwinnett Technical College. McMurry, Ballantine, Hoeger, Peterson. 2. Solvent-based Products. A solvent can be . classified. several different ways. . Here are . three. common examples:. Natural vs. Petroleum. . Derived from living stuff vs pumped out of the ground. Density of Water & Ice. Given the following materials, calculate the density of water and ice.. Ice Cubes. Water. Triple Beam Balance. 10-ml Graduated Cylinder. 25-ml Graduated Cylinder. 100-ml Graduated Cylinder. would be wet with water and would consequently be a gooey mess and would take a long time to dry. A drying procedure is therefore necessary to remove all traces of water before the solvent is evaporat Solutions. Solutions… a review. A homogeneous mixture . They appear as ONE substance. Examples: tap water, vinegar, gold jewelry. We will learn:. identify the solute and the solvent in a . variety of solutions. Molarity. What are solutions?. Homogeneous mixtures. Can be solid, liquid or gas. Aqueous solution. Water that contains dissolved substances. Parts of a Solution. Solvent. Solute. The dissolving medium. All life uses 6 major elements. If we survey the molecules from which life is constructed, we find six that are found in all living things and have often been described as the ‘building block’ elements of . Was the ink a mixture or a pure substance? How do you know?. Explain how the ink was separated? key words: solute, solvent, dissolve, attraction, particle, soluble . Label the diagram below using the following words: CHROMATOGRAPHY PAPER, SOLUTE SPOTS, SOLVENT, SPOT OF MIXTURE TO BE SEPARATED, SOLVENT MOVES UP PAPER. . S. olutions and . C. rystallisation. . What we must know form the syllabus:. OC15. Investigate . the solubility of a variety of substances in water . and . the effect of temperature on solubility. OC17 . Calculate the molarity of a 0.175 L sugar solution that was prepared with 0.15 moles of sugar. ?. M = . mol. /L. M = 0.15 . mol. /0.175 L. M = 0.86 M. Solutions are ________________ mixtures made up of very small . What is a solution?. A . solution. is a . homogeneous . . mixture of 2 or more substances. . Homogeneous: a mixture that is uniform throughout; the particles are . evenly distributed. Parts of a solution. Part I. I. Properties of Liquids. A. Water. 1. Water is a . triatomic. molecule with covalent H-O bonds.. 2. Water experiences high surface tension and hydrogen bonding.. 3. Water molecules are polar.. Or, the substance present in greater amount. Solute. : a substance which is dissolved by another substance. Or, the substance present in lesser amount. Solution = Solvent Solute. Copper (II) Sulfate is dissolved in water to form a solution. Which substance is the solvent and which is the solute?. Dr. Anantharaj Ramalingam. Department of Chemical Engineering. Faculty of Engineering, University of Malaya. 50603-Kuala Lumpur, Malaysia.. Aim to “Produce & supply clean water for every where in the world”.