The specific latent heat of vaporization of a substance is the quantity of energy required to A. raise the temperature of a unit mass of a substance by one degree Celsius. B. convert a unit mass of liquid to vapour at constant temperature and pressure. C. convert a unit mass of solid to vapour at constant temperature and pressure. D. convert a unit mass of liquid to vapour at a temperature of 100°C and a pressure of one atmosphere.
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essay ’s "School is Bad for Children" and "School ’s Out" John Holt and Daniel Pink think there are many flaws in the United States ’ educational system. They also feel that there is a need for a change. They recommend and think that the teachers should have different types of teaching techniques‚ the curriculum should not just be taught in the class room‚ but taught with example‚ and that standardized test should be abolished. Holt believes that the curriculum doesn ’t allow children to become
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Holt Renfrew Case Analysis:Nausherwan Saleem (11020035)Rukunuddin Aslam (11020163) Case Summary:1) Company Profile: a. High-end retailer in Canada with ten stores in seven Canadian citiesb. Sells top quality‚ branded and private-label designer fashions as well as cosmeticsc. Owned by the Wittington Group headed by Galen Westond. Peak sales occurred in March/April‚ July/August and November/Decembere. Publicity campaigns used throughout the year for promotional purposesf.
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Situational Analysis 4 Immediate Issue 4 Other Issues 4 Environmental Analysis 5 SWOT Analysis 5 PESTLE Analysis 5 Alternatives 6 Modernizing the Distribution Process 8 Recommendation 8 Timeline 9 Conclusion 10 Bibliography 10 Executive Summary Holt Renfrew‚ is high-end retail chain for designer fashions and cosmetics that imports their products from Europe‚ Asia and USA. They are facing some challenges regarding the size of their current warehouse and inventory levels. The warehouse is not big
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A Response to “How Teachers Make Children Hate Reading” Summary: John Holt is a former teacher who shares personal anecdotes in his essay “How Teachers Make Children Hate Reading.” Holt remembers taking a traditional approach to teaching as a beginning elementary school teacher. He initially thought that quizzing students over assigned readings and requiring them to use a dictionary to look up unfamiliar words was a best practice. However‚ a conversation with his sister challenges him to think critically
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The physics concepts that were illustrated in our egg drop project were momentum and energy. In the project‚ we saw how momentum increases as a normal egg without anything to slow it down would crack. That was because the longer that the egg fell‚ the more momentum the egg gains. We also saw that by adding resistance during the fall‚ such as a plastic bag “parachute”‚ would slow down the egg enough so that it would not crack when it reached impact with the ground. The other concept that was discussed
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Page 12 1 a) Between t = 30 and t = 45 mins b) 7.5 mins c) i) distance travelled = area under graph between t = 0 and t = 12½ mins ii) average speed = total distance travelled total time for journey = total area under graph 60 mins 2 a) ∆v = 32 m/s a =10 m/s² t = ∆v = 32 = 3.2 s a 10 b) 3 a) OP – constant acceleration PQ – constant acceleration (greater than OP) QR – constant speed RS – constant deceleration b) O and S c) 6 m/s d) 70 s e) Total distance travelled = area under
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Zach Hicks (Z1603274) Karen Richards Section F (0900 - 1150) 11/30/12 The Waiter Problem Solving Part A: Center of Mass in One Direction 1. Since the mass of the plate is a uniform‚ the center of mass is in the center of the plate. The plate has diameter d = 28 cm‚ thus the center of mass is 14 cm from the edge of the plate. In the lab‚ two scenarios will be analyzed; 1) when the glass is standing up‚ and 2) when the glass is laying on its side. When the glass is standing up‚ its mass
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Introduction The purpose of this lab is to examine the motion of an electron‚ when it encounters a constant magnetic and electric field. We will also observe when the electric field and magnetic field will cancel each other out. This will lead to the electron having no net force acting upon it. By adjusting the values for the magnetic and electric fields‚ we will be able to check the different paths the electron follows. From this data we will be able to calculate the charge-to-mass ratio. Then
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An investigation into the specific heat capacity of a solid Introduction: In this experiment I investigated the specific heat capacity of brass and aluminium‚ in order to do this I arranged a series circuit with a heater‚ the heater would go inside the brass and aluminium and heat it for an amount of time in which I decided‚ I also used the voltmeter in parallel. This arrangement made me able to arrange the equation VIT= mcΔθ‚ since the electrical energy in would be equal to the mass times the
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