cooling water is useless to the plant unless something is done to cool it down. In industry‚ cooling water towers are used to bring the water back down to a sufficient level . In a cooling tower‚ outside atmospheric air is flowed through a “column” while the hot water sprayed into the system. Since air is never at full saturation of water (unless it is raining)‚ some of the hot water will evaporate to satisfy equilibrium. When this water evaporates‚ heat is taken from the surrounding liquid water which
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call solubility laws. These laws show what chemicals are soluble and which ones are insoluble. They also describe what chemicals can be dissolved and what chemicals cannot dissolve. These chemicals are them recorded on Solubility tables which list solubility and how soluble the chemicals are. According to Busch (2015) the Solubility Rules are as follows: 1. Salts containing Group I elements are soluble (Li+‚ Na+‚ K+‚ Cs+‚ Rb+). Salts containing the ammonium ion (NH4+) are also soluble. 2. Salts
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Solubility Product Determination Purpose • To determine the solubility product constant‚ Ksp‚ of an ionic compound. Introduction The solubility product constant‚ Ksp‚ is a particular type of equilibrium constant. The equilibrium is formed when an ionic solid dissolves in water to form a saturated solution. The equilibrium exists between the aqueous ions and the undissolved solid. A saturated solution contains the maximum concentration of ions of the substance that can dissolve at
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Determination of the Solubility of Calcium Hydroxide Apparatus * Solid calcium hydroxide * 0.4 mol/dm hydrochloric acid * Distilled water * Pipette * Triple valve rubber pipette filler * Conical flask * Beaker * White tile * Clamp and stand * Methyl orange indicator Producing the calcium hydroxide solution 1. Roughly fill a beaker with 200cm³ of distilled water. This does not need to be accurate because samples will be taken from this. 2. Add solid calcium
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intensive property of a substance‚ was also used to determine the identity of an unknown liquid sample. Proper procedures on measurement were observed in order to determine the mass‚ volume‚ and density of the samples. Four liquid samples were used namely water‚ isopropyl alcohol‚ coconut oil‚ and an unknown liquid sample. The experimental density values were measured at 1.01 g/ml‚ 0.800 g/ml‚ 0.940 g/ml‚ and 0.800 g/ml respectively. The range of percentage error was below 5.00% for all the samples. The
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concentrations of a miscible liquid (ethanol) on the solubility of KNO3 in water. The results of the investigation support the hypothesis that water‚ which exhibits greater polarity‚ is able to dissolve a greater mass of KNO3 at lower temperatures compared to tested concentrations of Ethanol ranging from 12.5% to 30%. Furthermore‚ the results of the graph 1 show correspondence to the dielectric constant of each solvent as both the starting solubility of the solubility curves and the dielectric constant of the
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Learning outcomes: 1 Identify‚ explain and apply OH&S policies and procedures in installing computer system and networks Learning Activity: 1.1 Identify and explain the different OH&S policies and procedures in installing computer system and networks Occupational safety and health (OSH) is a planned system of working to prevent illness and injury where you work by recognizing and identifying hazards and risks. Health and safety procedure is the responsibility of all persons in the computer and
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laboratory is to calculate the solubility of a substance under a variety of temperatures and construct a solubility curve based on experimental data to see the effect of temperature on solubility. Data collection and quantitative observation VOLUME H2O/ml/±0.05 TEMPERATURE/°C/±0.1 5.00 71.3 6.00 59.3 7.00 52.4 8.00 47.2 9.00 41.8 Mass of NaCl: 3.0±0.05 g Data Processing To calculate the solubility‚ we need to use the formula: Solving for x‚ the solubility of salt‚ we get the formula:
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Corelink Pty Ltd Assessment Assignment |Unit BSBOHS407A |Qualification | |Monitor a Safe Workplace |Certificate IV in Frontline Management | Your Assessor: __________________________________ Write the name of your assessor here. Call your assessor anytime. Phone: (02) 9779 9800 Send completed Assessment Assignments to:
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OH DEER Tatiana García-Menocal David Ruiz Period: 5 Problem statement: How will recourse availability affect the population of a species in an ecosystem? Materials: Open space Over 20 people Hypothesis: if the resources are not enough for the population the species will decrease and so will the predators. Procedures: 1. Obtain a number 1-4 from your teachers. 2. Deer= 1 3. Resources= 2‚3‚4 4. The deer will be on one side of the open space and the resources will
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