Abstract Molar volume is the volume that one mole of gas occupies when temperature and pressure are kept constant. The molar volume of a gas can be determined through evaluating how much gas is given off when the number of moles of the substance is known. To find the volume of gas that will be used to calculate the molar volume‚ the process of water displacement can be used. Reference Citation Cesa‚ J. (2002). ChemTopic labs: Experiments and demonstrations in chemistry (vol. 9). Batavia
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SOME BASIC TIPS ON HOW TO WRITE A LAB REPORT Just searching on line will give you hundreds of examples so I just want to keep this really simple and basic and if you want to or need more explanation‚ just search the specific heading like “ How to write a conclusion on a lab report” and you will get more info than you ever wanted! Title Page • The title of the experiment. • Your name. • The name of the class. • The date the lab was performed or the date the report was submitted
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MODULE 2 WORKSHEET 6 CALCULATIONS INVOLVING GASES Syllabus reference 9.3.2 1 Two identical gas flasks‚ A and B‚ are kept at the same temperature and pressure. Flask A contains 10 g of ethane gas‚ C2H6. Flask B contains sulfur dioxide gas‚ SO2. Calculate the mass of sulfur dioxide gas in flask B. moles ethane 10/30 0.33 mol moles SO2 0.33 mol mass SO2 0.33 64 21 g 2 What mass of nitric oxide‚ NO‚ is present in a 2.5 L flask at a pressure of 100 kPa and 0ºC? mole NO 2.5/22.71
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undergoing a process causing any of the properties of the system change. An ideal gas obeys the equation of state that relates the pressure‚ specific volume or density‚ and absolute temperature with mass of molecule and the gas constant‚ R. However‚ real gas does not absolutely obey the equation of state. A few changes on the ideal gas equation of state allow its application in the properties of real gas. When energy increases within water‚ the increasing of activities among
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Silver Watkins Mrs. Williams 10th Lit/Comp 29 April 2013 Euthanasia in America Murder or Justice‚ who knows? What is the exact purpose of life? Who is it that decides our fate‚ stating/deciding whether or not it’s worth being sustained? Euthanasia is a very controversial topic that is constantly being debated by many politicians. Some of these politicians have formed groups opposing the legalization of euthanasia. These politicians’ main argument is over the immorality of it‚ but still
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Unit 1 Gas Laws Lab Guide PhET Gas Properties lab - http://phet.colorado.edu/en/simulation/gas-properties Your lab write-up for this lab will be a minimum of a 15 slide presentation created with Power point or Libre Office. Contact your instructor if you have questions about your lab assignment. Some information has been provided for you‚ but still needs to be included on your slides. The areas that are bolded are areas of information that need to be completed by you. Submit your lab write-up
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Lab: Gas Laws Purpose: Obtain a reference of temperatures effect on gas using Charles’ law when heating a capillary tube in water on a heated hot plate. Then‚ cooling the same capillary tube with ice while measuring the temperatures cooling effect on the gas bubble inside the capillary tube. Measurements of temperature change are taken with microLAB sensor and graphed using microLAB software. A final determination of experiments determined absolute zero versus actual absolute zero will be
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the lightness of the metal. Both of these metals are reactive with acids. The most common acid in they react with is hydrochloric acid. In this lab‚ we collected a gas produced in a reaction and compared it with the volume that was actually collected to the “target volume” we calculated at the beginning of the class using stoichiometry and the Ideal Gas Law. We had to figure out what the temperature of the room was because the laboratory was not under the conditions of STP. We were given two different
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measure the hydrogen gas given off in the reaction of the zinc on the nail and the hydrochloric acid. A Erlenmeyer flask was used to hold the acid and nail which released the hydrogen into a rubber tubing that was fed into a 100 mL graduated cylinder full of water. As the hydrogen entered the upside down cylinder‚ it displaced the water‚ and the volume of gas was measured (gasometric analysis). The ideal gas law was then used‚ PV = nRT. Since the volume‚ temperature‚ gas constant (R)‚ and pressure
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neon (Ne)‚ argon (Ar)‚ krypton (Kr)‚ xenon (Xe) and radon (Rn) ; are called "elemental gases". Alternatively they are sometimes known as "molecular gases" to distinguish them from molecules that are also chemical compounds. Etymology The word gas is a neologism first used by the early 17th-century Flemish chemist J.B. Van Helmont.[4] Van Helmont’s word appears to have been simply a phonetic transcription of the Greek word χάος Chaos – the g in Dutch being pronounced like ch in "loch" – in which
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