Chemistry Textbook Notes: Solutions Chapters 13 & 14: LH 1. Define soluble‚ solution‚ solvent‚ solute‚ suspension‚ colloid (p.395398) Soluble- capable of being dissolved solvent0 the dissolving medium in a solution solute- the substance dissolved in the solution suspension- a mixture in which the particles in the solvent are so large that they settle out unless the mixture is constantly stirred or agitated colloid- a mixture consisting of particles that are intermediate in size between
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1. Define the following terms: a. aqueous solution- a solution in water b. colloid mixture of large molecules that will not settle or join with the other substance it is in c. concentration ratio of mass or volume of solute to mass or volume of solvent d. heterogeneous a mixture is made up by two or more different substance which are (mixed) together but are not combined e. homogenous mixture mixture that is uniform throughout f. Henry’s Law An expression for calculating the solubility
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Purpose The purpose of this experiment is to find out the molarity of each solution while finding out how many grams of sodium chloride we have. Materials 1. Wire gauze 2. tongs 3. Burner 4. balance 5. Matches 6. hot hands 7. ring stand 8. ring clamp 9. graduated cylinder 10. evaporating dish Procedure Steps: 1. Mass the evaporating dish 2. Record how many mL of solution you add into the evaporating dish then mass them together. 3. Set the evap. dish on the
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Abstract This laboratory involved utilizing equipment to dilute a sugar water solution. It also created solutions containing varying levels of concentrations and densities. Equations were used to figure the molecular weight of the sugar‚ and the number of moles of sugar in the volumetric flask. There was also an equation to figure the Molarity‚ as well. As a result of the experiment‚ I now have a better understanding of the density of a concentration‚ and what Molarity is . Observations Data
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1. Solution is a homogeneous mixture composed of only one phase. In such a mixture‚ a solute is a substance dissolved in another substance‚ known as a solvent. Suspension is a heterogeneous mixture in which the particles are large enough to be seen by a microscope or the unaided eye and eventually‚ they settle out of the mixture. A colloid is a substance microscopically dispersed throughout another substance. Unlike colloids‚ suspensions will eventually settle. The suspended particles are visible
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Lab Background information: A hypertonic solution is a concentration that is higher than the solution. A Hypotonic solution is a concentration that is lower than the solution. An isotonic solution is a concentration and solution that is the same amount. Hypothesis question: What will happen if you put a potato in hypertonic solution? What will happen if you put a potato in hypotonic solution? What will happen if you put a potato in isotonic solution? Hypothesis statement: If you put sugar
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Among the various socioeconomic problems‚ which our country is facing today‚ the problem of unemployment is one of the most serious Unemployment is defined as condition of a person who is willing to work but unable to find a paying job. There are various factors that are responsible for unemployment i country. Unemployment can be due to seasonal layoff particularly in agricultural sector. It can be due to technological changes in an automated industry or due to lack of adequate skills by the workers
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EFFECTS OF OVERPOPULATION ON THE ACADEMIC PERFORMANCE OF STUDENTS IN GOVERNMENT SECONDARY SCHOOLS IN OWERRI MUNICIPAL COUNCIL OF IMO STATE A RESEARCH PROJECT (ED 451) SUBMITTED TO THE SCHOOL OF EDUCATION‚ ALVAN IKOKU FEDERAL COLLEGE OF EDUCATION‚ OWERRI. IN AFFILIATION WITH UNIVERSITY OF NIGERIA NSUKKA (UNN) IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR AWARD OF BACHELOR OF SCIENCE IN EDUCATION ACCOUNTANCY (B.SC.ED) BY OSUJI MACGOWIN C. BD/06/28011 MARCH
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Determining the Concentration of a Solution: Beer’s Law Purpose: The purpose of the experiment is to determine the concentration and formula of an unknown cobalt nitrate solution by measuring absorbance. Introduction: A Colorimeter will be used to determine the concentration and formula of an unknown cobalt nitrate solution. The colorimeter sends blue light from the LED light source to pass through the solution and hit a photocell. A solution with a higher concentration will absorb more
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Product Orientation to Solution Orientation: A Journey Most industrial goods manufacturers and other organizations operating in B2B markets currently face testing times owing to bad economic conditions. While the economic downturn threatens the growth of a lot of these B2B businesses‚ other factors have also emerged that have contributed to this situation of the “perfect storm”. Increased price competition from the traditional low-labour countries‚ increased product quality levels from these same
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