Apparatus: beaker‚ boiling water‚ thermometer‚ pressure-meter‚ oil‚ closed tube. Procedure: 1) Set up all the apparatus 2) Open the rubber cap. Move the closed tube several times to ensure that the oil is spread equally. 3) Pour boiling water into the beaker and put thermometer into beaker. 1. Mariotte’s law 1) Move closed tube to let gas volume be 2 unit volume (V0=2). 2) Cover the rubber cap. 3) Move the tube to make volume change‚ and measure the pressure. 2. Charles’ law a. Let Volume be V0=2.
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College Pressure Students all over the world are facing different kinds of difficulties while their studies at university. Reasons for that can be very different from student to student. For example‚ pressure from parents‚ problems with financial situation or doing homework etc. For some students college pressure is too high and even unbearable sometimes. Parental pressure is an actual topic for students in all countries all over the world. For the centuries‚ parents are always trying to do good
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Analysis of a Volatile Liquid Abstract: The purpose of this experiment was to use various methods of analysis to determine the identity of an unknown volatile liquid. In the first part of the experiment‚ the molecular mass was found by using water to find the volume of a flask through calculations and this as well as the mass of the gas of the unknown liquid were put into the a manipulated version of the ideal gas equation to determine the molar mass of the liquid‚ which was 14.21g per
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Famous Scientists’ List Name | Birth/Death | Achievements | Albert Einstein | 1879 - 1955 | He is arguably at the pinnacle‚ if the popularity of all the scientists is taken into account. He demonstrated solutions to a trio of mind-boggling topics in Physics in 1905 and shot into the limelight. | Sir Isaac Newton | 1642 - 1727 | "Philosophiae naturalis principia mathematica" called "Principia" is acknowledged as the greatest scientific book ever published. Sir Isaac Newton wrote this in 1687
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Salvation In “Salvation‚” Langston Hughes says that adults shouldn’t pressure children with unrealistic expectations because it will backfire‚ using narration and description modes to prove his point. Hughes narrates an autobiographical story about being a twelve year old‚ African-American boy‚ who is told about being saved and joins the rest of the children of the congregation to “see and hear Jesus.” He faces an external conflict between with the congregation of the church and his Auntie
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Determine the following unit conversions to SI units: a. Density value of 60 lbft3 to kgm3‚ Ans: 961.1 kg/m3 b. Energy value of 1.7 ×103Btu to kJ‚ Ans: 1.8 x 103 kJ c. Enthalpy value of 2475 BtulbtokJkg‚ Ans: 5756 kJ/kg d. Pressure value of 14.69 psig to kPa‚ Ans: 201.88 kPa e. Viscosity value of 20 cp to Pa∙s‚ Ans: 2 x 10-2 Pa∙s Table of Conversion Factor 1 lb | 0.454 kg | 1 ft | 0.305 m | 1 Btu | 1.055 kJ | 1 psia |
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better than you‚ and will your parents be disappointed when they see your grade book. The increasing pressure of expectations on young people in school now seems to have consequences for their health. The school can be dangerous‚ because many young people can’t handle their parent’s requirements. Today many parents have high expectations to their children. Not every child can handle a lot of pressure. Parents have no idea how something they say can affect their children‚ especially when they say that
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states that in order for the temperature and pressure in Hell to stay the same‚ the volume of Hell has to expand proportionately as souls are added. This gives two possibilities: 1. If Hell is expanding at a slower rate than the rate at which souls enter Hell‚ then the temperature and pressure in Hell will increase until all Hell breaks loose. 2. If Hell is expanding at a rate faster than the increase of souls in Hell‚ then the temperature and pressure will drop until Hell freezes over. So which is
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(PV=nRT). The materials used were: match‚ funnel‚ bucket‚ cylinder‚ thermometer‚ lighter‚ scale‚ and a wooden flynt. These materials are used to help collect and test the Butane gas. Butane gas was used because it is ideal at standard temperature and pressure. Procedure: 1. Rinse bucket and fill three fourths full. 2. Rinse all glassware. 3. Place thermometer in bucket. 4. Record P= 760.4mm of Hg‚ 1.03 atm. 5. Record temperature. 22 C o 295 oK. 6. Weigh dried lighter 13.5 gms
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identify it is to determine its molecular weight. In order to determine the molecular weight of a particular substance which in this experiment’s case is a volatile liquid‚ the need to convert the liquid into a gas arises. The relation among the pressure‚ volume‚ temperature and the number of moles of a gas will be an important key in the conclusion of its molecular weight. However‚ in the process of vaporization‚ there is a possibility that some of the vaporized liquid will escape the flask and
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