inaccurate and imprecise. 3. Two balls of different mass are dropped from the top of a tall building one after the other. The distance between the balls A. B. C. D. increases with time. depends on the initial velocity only. remains constant. depends on the mass of the balls. 8809-6504 – 3 – 4. N09/4/PHYSI/SPM/ENG/TZ0/XX+ The graph shows how the velocity of a particle varies with time. velocity 0 time Which of the following graphs correctly shows how
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Spectrophotometric Determination of the Equilibrium Constant of a Reaction DEPARTMENT OF MATERIALS‚ METALLURGICAL AND MINING ENGINEERING‚ COLLEGE OF ENGINEERING July 26‚ 2012 ------------------------------------------------- ABSTRACT ------------------------------------------------- Before proceeding to test the next solution‚ we must first clean the cuvette‚ using similar steps earlier. First‚ we rinse with water‚ then with the solution‚ and then we fill it up and test
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Date Performed: September 9 ‚2011 SPECTROPHOTOMETRIC DETERMINATION OF THE ACID DISSOCIATION CONSTANT OF METHYL RED M.C. Caligagan ‚M.N.Q. Tolentino and M.Q. Clores Institute of Chemistry‚ College of Science University of the Philippines‚ Diliman‚ Quezon City‚ Philippines Received :September 21‚2011 ABSTRACT This experiment aims to determine the acid dissociation constant value of Methyl Red by means of spectrophotometry. Ten samples were spectrophotometrically analyzed under a UV-Vis
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Synthesis of Salicylic Acid and Potentiometric Determination of its Purity and Dissociation Constant ------------------------------------------------- Abstract The purpose of the study is to synthesize salicylic acid from the ester‚ methyl salicylate‚ and determine the acid’s dissociation constant and purity. The ester was converted to salicylic acid by base hydrolysis. The products were refluxed and recrystallized‚ to ensure maximum purity‚ and filtered‚ dried‚ and weighed. The melting point
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slowly revolving around its own centralized location. Specifically‚ what happens to the central object (the Sun)? It slowly revolves around its own central point. Can you explain why the central object moves? I would say that it is from gravitational pull. Everything has its own gravity. Everything exerts a pulling force on everything else. Thus‚ the sun exerts a force within the planet causing it to rotate. Does the planet orbit in a perfect circle? Is the sun at the center? Yes
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Experiment # 4: Dissociation Constant Weak Acids Introduction: The dissociation constants of weak monoprotic acids were determined with the aid of a buffer and pH meter. Experiment: This experiment was performed according to the procedures as provided in the Chemistry 111B laboratory manual: Po‚ Henry and Senozan‚ N. "General Chemistry Experiments Chemistry 111B"‚ 8th Ed.‚ 2004 Hayden-McNeil Publishing‚ pp 80-88. To determine the dissociation constants of weak monoprotic acids (HX and HY)‚ a buffer
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TABLE 1 *CRUMPLE ZONE: NON-CONTROLLED TRIAL | TRIAL | TIME(Sec) | DISTANCE(cm) | DISPLACEMENT(cm) | SPEED(m/s) | ACCELERATION=V-U/T | MAXIMUM VELOCITY(m/s) | ANGLE OF RAMP(Degrees) | MASS OF CAR(g) | GRAVITATIONAL POTENTIAL ENERGY(mgh) | KINETIC ENERGY(1/2mv2) | HEIGHT OF RAMP(cm) | 1 | 1.44 | 0.0149 | 0.0119 | 0.01035 | 0.574 | 0.826 | 20 | 226.22 | 0.1821 | 77.17 | 35 | 2 | 1.19 | 0.0153 | 0.0123 | 0.01286 | 0.869 | 1.034 | 25 | 226.22 | 0.2185 | 120.9 | 42 | 3 | 1.13 | 0.0158 | 0.0128
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businessmen. For the rest of us‚ they are less apparent but we still probably use them to predict how changing one factor in our lives may affect another--without even realizing it. Polynomials in Gravitational Acceleration Polynomials also are used in scientific problems‚ including gravitational acceleration problems. The polynomial equation needs to include the object’s
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Some place deep inside the minds of everybody’s brain‚ there is a door. An entryway that isolates the universes of fantasy and reality. Fantasy can be a blinding place loaded with the endless longings of individuals. On the other side of fantasy theirs reality which pounds its hands waiting eagerly to be noticed. The protagonist‚ Christopher is a true image of what reality is. People can be blinded by the fantasy and forget the facts of reality when they’re pointed out. In the book‚ The Curious
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The spring constant Manuel Cereijido Fernández – UO237242 PL-4 -----------------------------------------------------------------------------------1. Objectives The main objective of this experiment was to determine the spring constant using the dynamic method. 2. Theoretical fundamentals On the one hand‚ when a spring oscillates‚ the movement which describes can be classify as a simple harmonic motion. Therefore‚ its position‚ velocity and acceleration equations respect the time will
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