critical point‚ the saturated liquid and saturated vapor state are identical. 5. At supercritical pressures‚ the substance is simply termed fluid rather than liquid or vapor. 6. If the initial pressure at –200C is 0.260 kPa‚ heat transfer results in increase of temperature to –100C. Ice passes directly from the solid phase to vapor phase. 7. At the triple point (0.6113 kPa) and a temperature of –200C‚ let heat transfer increase the temperature until it reaches 0.010C. At this point‚ further
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Effect of Temperature on Solubility of a Salt Ahmed Mohammed 17-nov-2013 Abstract In this experiment‚ you will study the effect of changing temperature on the amount of solutet will dissolve in a given amount of water. In this experiment‚ you will completely dissolve different quantities of potassium nitrate‚ KNO3‚ in the same volume of water at a high temperature. As each solution cools‚ you will monitor temperature using a computer-interfaced Temperature Probe and observe
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intermediate work. No 1 2 3 4 5 6 7 8 9 10 190 100 280 400 7000 600 2000 2963.7 Saturated Liquid 60 1750 375 300 4893.1 1800 T (oC) P (kPa) h(kJ/kg) 275 4.00 0.0 Saturated Vapor v(m3/kg) u(kJ/kg) x (quality) Phase description 0.7 Question 2: (20 points) An insulated‚ vertical piston–cylinder device initially contains 10 kg of water‚ 5 kg of which is in the vapor phase. The mass of the piston is such that it maintains a constant pressure of 200 kPa inside the cylinder. Now steam at 0.8 MPa and
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Internal Assesment - Task 2C In this experiment I am investigating the relationship between surface area and the volume of a model cactus and to determine whether this relationship affects the loss of water. We used oasis blocks‚ an absorbant material used by florists as a substitute for a cactus‚ that would soak up the water‚ and thus ideally show the percentage water loss by weighing the before and after evaporation weights. Independent Variable The independent variable is the total surface
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3. The various packaging methods of granulated sugar that is distributed in supermarkets is important to consider because of environmental factors‚ cost-efficiency and customer satisfaction. The consumer is paying for a product and it is the producer’s job to ensure the packaging is effective as well as protective. Two types of granulated sugar packaging methods I will analyze are paper-based packages and re-sealable plastic zipper bags. Paper bags are most commonly used in supermarkets due
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to the center. At the top of Jupiter’s clouds the temperature is around -230 degrees Fahrenheit or -145 degrees Celsius. Jupiter’s temperature increases as you descend closer to the center of the planet. The temperature can increase so much to the point where atmospheric pressure is ten times greater than that on Earth and the temperature is 21 degrees Celsius which scientists call “room temperature.” This part of Jupiter is believed to possibly be able to support life‚ which would have to float and
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The simulation and analysis of liquid droplets with respect to heat capacity and droplet size Abstract Define Using Molecular dynamic simulation a cluster of particles was modelled and their behaviour analysed with respect to temperature change. As proof of a specific state i.e. solid‚ the Mean squared displacement was calculated and illustrated with respect to time. This occurred for varying temperatures. From the internal energy of the system per time step‚ the heat capacity was determined
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Evaporation and Transpiration Evaporation and transpiration (evapotranspiration) are components of hydrologic cycle‚ which at principle‚ can be calculated from meteorological observations such as temperature‚ humidity‚ radiation‚ wind speed‚ etc. The process‚ however‚ is quite complex and a substantial literature has been produced on it. In this chapter our focus is mainly on the concept and simple estimations of evaporation and transpiration. Mechanism of evaporation from water surfaces Here
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Shawn Girouard 2/5/15 Chapter 1 Dessler HW 1. Determine the latitude and longitude of the White House‚ the Kremlin‚ the Pyramids of Giza‚ and the point on the opposite side of the Earth to where you were born. Use an online tool (e.g.‚ Google Earth) or an atlas (which you can find in any library). White House: 38.8977° N‚ 77.0366° W Kremlin: 55.7517° N‚ 37.6178° E Pyramids of Giza: 29.9792° N‚ 31.1344° E Opposite of where I was born: 36.385913° S‚ 59.677734° E 2. a) Convert the following temperatures
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GROUP B MODEL ANSWER Howard et al.‚ Temperature-induced structural changes in CaCl2‚ CaBr2 and CrCl2: A synchrotron X-ray powder diffraction Phys. Rev. B 72‚ 214114 (2005). DO NOT PLAGIARISE THIS MODEL ANSWER Paragraph 1 The polymorphs involved are the halides in tetragonal rutile (TiO2) structure and the halides in so-called calcium chloride structure. As the name implies‚ the unit cell of halides in tetragonal rutile structure is tetragonal‚ with the lattice parameters a=b≠c and α=β=γ=90o
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