Heat of Neutralization: Lab Report In part A of this lab I determined the heat capacity of a calorimeter made out of two Styrofoam cups nesting together with a cardboard top containing a hole in the middle. First I placed 50 mL of water in the calorimeter‚ waited five minutes for the water to reach equilibrium‚ and used the computer’s temperature instrument to record the final temperature of the system. Next I heated 50 mL of water in a 250 mL beaker until the water reached 43.1 C (approximately
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puck of mass m initially at speed u collides head-on (without rotation) with a stationary puck of mass M. Find the velocities of both puck after the collision if: i) the collision is fully elastic ii) the collision if fully inelastic. i) momentum: kinetic energy: mu = mv+MV (+ve in direction of initial u) 1 /2 m u2 = 1/2 m v2 + 1/2 M V2 2 eqns in 2 unknowns: V = (u - v) m/M substitute in K eqn: u2 = v2 + (M/m) V2 = v2 + (M/m) (u - v)2 (m/M)2 = v2 + (u - v)2 (m/M) let ρ = (m/M) ⇒ v2 (1 + ρ) - 2ρ
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Problems for heat integration 1. The stream data extracted from a specified section of a chemical process are given in Table 1 below. Table 1: Stream Data Stream Supply Temperature TS (oC) Target Temperature TT (oC) Heat Duty (MW) No Type H1 H2 H3 C1 C2 Hot Hot Hot Cold Cold 150 40 130 150 50 30 40 100 150 140 7.2 10 3 10 3.6 You are required to perform a heat recovery analysis for the plant section stated above. Given the Tmin for the
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Sam Woods is a very important character in the novel In the heat of the night. He is a racist‚ and throughout the novel you will notice many changes in his attitude towards Negro’s. Sam Woods is a middle-aged man‚ who works for the city of Well’s police department. Until Chief Gillespie had arrived in town‚ Sam Wood had been rated as a big man‚ but Bill Gillespie’s towering size‚ made Sam look a normal size. Sam takes a lot of pride into his work‚ and has read up on everything you need to no
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Latent Heat of Fusion Activity # 02 DE BORJA‚ C. A.‚ DE CHAVES‚ N.‚ DE LOS SANTOS‚ G. P.‚ DEL MUNDO J.‚ DIN‚ J. A.‚ DIONISIO‚ J. D. Civil Engineering Department‚ College of Engineering‚ Adamson University Abstract The purpose of this experiment is to determine the Latent Heat of Fusion of ice. In this experiment‚ the heat of fusion of ice will be determined by using the method of mixtures (Quantity of heat lost = Quantity of heat gained). Introduction When a substance changes phase
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States of Matter Lab 1 Procedure: Go to: http://phet.colorado.edu/en/simulation/states-of-matter and click on Run Now States of Matter Review: 1) Kinetic energy (KE) is the energy of motion. 2) Potential energy (PE) is the energy of position. 3) What property of a substance corresponds to the average KE of its particles? Temperature 4) What property of a substance corresponds to the average PE of its particles? Phase 5) List the three common states of matter in order
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Heat Pump ------------------------------------------------- A heat pump can provide an alternative to using your air conditioner. * Heat pumps can supply heat‚ cooling‚ and hot water. * Your climate and site will determine the type of heat pump most appropriate for your home. For climates with moderate heating and cooling needs‚ heat pumps offer an energy-efficient alternative to furnaces and air conditioners. Like your refrigerator‚ heat pumps use electricity to move heat from a
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heat exchanger is a device built for efficient heat transfer from one medium to another. The media may be separated by a solid wall‚ so that they never mix‚ or they may be in direct contact.[1] They are widely used in space heating‚ refrigeration‚ air conditioning‚ power plants‚ chemical plants‚ petrochemical plants‚ petroleum refineries‚ natural gas processing‚ and sewage treatment. One common example of a heat exchanger is the radiator in a car‚ in which the heat source‚ being a hot engine-cooling
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2014 In the Heat of the Night’s Racism “Racism is a refuge for the ignorant. It seeks to divide and to destroy. It is the enemy of freedom‚ and deserves to be met head-on and stamped out.” as said by the author‚ Pierre Berton. As is shown In the Heat of the Night‚ it’s an academy awarded movie which was directed by Norman Jewison in 1967. The film shows us how big the racial prejudice by this part of the country was in the latest 60’s. As in this great movie In the Heat of the Night‚ the
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The role of women in different societies and times in "Heat and Dust" The era of the Victorian women spanned 64 years and concluded several changes in attitudes. The common thinking about women in the Victorian era was that a woman´s position was limited to domestic work and the care for her children. The stereotype of the distribution of roles was women staying by the hearth with their needles whilst men wielded their swords. Women had to bear a large family and to maintain a smooth family atmosphere
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