It is the longest dimension of an object. DOWN 2 It is the number of square units inside a polygon. 4 It states the quality of being wide. 3. Presentation 1. Mang Tonyo’s vegetable garden is rectangular in shape. If it’s length is 3m and its width is 2m‚ how many square meters can be planted with vegetable? * Who owns the vegetable garden? * What did he plant in the garden? * What is the shape of his garden? Ask the following questions 1. What is asked
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1: Substitute the values in the below potential energy formula: Potential Energy: PE = m x g x h = 6 x 9.8 x 20 Potential Energy: PE = 1176 Joules 2. On a 3m ledge‚ a rock is laying at the potential energy of 120 J. What will be the mass of the rock. PE = 120 J‚ h = 3m‚ g = 9.8 m/s2(Gravitational Acceleration of the earth) Step 1: Substitute the values in the below Velocity formula: 3. A ball of mass 2 Kg is kept on the hill of height
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a) 2 :3 b) 3 :2 c) 4 :9 d) 9:4 6. The no. of two digits that are divisible by 6 is a) 12 b) 16 c) 15 d) 18 7. The angle of depression of an object from a 60m high tower is 30O. The distance of the object from the tower is a) 20√3 m b) 60√3 mc) 40√3m d) 120m 8. A solid metal cone with radius of base 12 cm and height 24 cm
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Chemical Reactions and their Classifications 26 October 2012 Abstract: Ordinary laboratory ware was used to determine how many of what type of chemical reactions occurred. This yielded three decomposition reactions‚ four substitution reactions‚ and three metathesis reactions. Introduction There are many different types of chemical reactions in the study of chemistry; A composition reaction (also known as synthesis) is defined as the reaction that occurs when two single compounds combine in
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Redox Reaction Lab Practical Luis Suarez and Lukyon Mendrin CHEM 1A Lab‚ Department of Chemistry‚ California State University‚ Fresno‚ CA 93740 Lsuarez054@mail.fresnostate.edu April 13‚ 2016 In This experiment we used potassium permanganate (KMnO4) as our titrant and our titrand was oxalic acid (H2C2O4● 2H2O). The objective of the experiment was to titrate the solutions to determine the molarity of potassium permanganate. We had to dilute the stock solutions to a specific molarity for the experiment
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Indigo Synthesis Author: Carolina Morales Group #1 Lab Partners: Jennifer Capeloto‚ Samantha Hoffman and Adriana Garibay Instructor: Saehan Park Chem. 152‚ Section 43 Date Work Performed: February 10‚ 2010 Date Work Submitted: February 24‚ 2010 Abstract: The percent yield of the color Indigo that is the color of blue jeans for the three trials was determined to be 13.50%‚ 15.30% and 14.80%. A series of experiments were performed to a cloth dye comparison. The absorbance
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CHECK LIST 1. Is an external wall within 900mm of an allotment boundary to another property‚ 1.8m to another building that isn’t a class 10 building‚ or 3m from a brush fence? 2. If so‚ these walls must have a non-combustible roof lining and eve lining. 3.Windows in these walls must be non-operable fire windows (exceptions for bathroom toilet or laundry windows with an area smaller than 1.2m2 4.Doors must be self closing and solid core not less than 35mm 5. Are there any encroachments between the
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added 5 drops of 3M NaCl to the unknown solution‚ we had some precipitate‚ we centrifuge and then we divided to two test tubes‚ and they were put in hot water and got confirmatory tested. The Ag+ appeared to be in the solution because it melted‚ however Pb2+ didn’t. With the rest of the solution we added Na2SO4 we had precipitate which means I had Ba2+and we centrifuge it to do confirmatory test by adding K2CiO4 and the result was the precipitate was yellow. After then I added 3M of NH3 to raise the
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Absorption Spectroscopy Author: Lab Partners: Instructor: Chem 152 Date Work Performed: Date Work Submitted: Abstract A Beer’s Law analysis was used to determine the molar absorptivity of a Red-40 food dye. Using a spectrometer‚ the best wavelength to use for the analysis of this dye was determined to be 501nm. A series of dilutions were performed and the concentrations were calculated to find ‘E‚’ the molar absorptivity‚ which was determined to be 18035 M-1 cm-1. Introduction
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Methods: Sampling for the fouling community was taken at Bodega harbor during low tide. The main dock constituted as the transect for which measurements were taken. Quadrats were placed along the main dock‚ quadrats used in this experiment were .3m x .3m. In total there
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