escape‚ the methanol/unknown vapour pushed out the extra vapour and oxygen gas. When the flask was cooled down‚ the methanol/unknown vapour condensed – this resulted in the increase in mass of the flask when it was weighed after being cooled down. The mass of the condensed vapour is equal to the difference between the initial and final masses of the flask. Due to the assumption that the volatile liquids obey the Ideal Gas Law: PV=nRT‚ where n is equal to the mass of the substance divided by the molar
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Oils and gas conservation ‚its relevance in daily life: Oil and gas conservation means their better and more efficient use with regard to economic‚ social or environment costs and benefits resulting minimization of wastage and protection of environment. A very high priority is attached by the government to conservation of petroleum products in view of the need to reduce increasing gap between demand for and supply of oil and petroleum products. Government has initiated various
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Kinetic energy is increasing between letters A-B‚ C-D and E-F. Based off the observations‚ in phase A-B Tert-Butyl Alcohol stays a solid‚ in phase C-D Tert-Butyl Alcohol stays a liquid‚ and in phase E-F the chemical stays a gas. This is observed at the particle level because temperature is a measure of Ek; the temperature is increasing which increases kinetic energy. Since Ek is the energy of motion‚ the particles would increase their velocity and the number and force of collisions. However‚ the
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on the ground below will vary depending on the ground’s height above sea level. Boiling When a liquid vaporises. Capillary action When water is drawn up between close fitting surfaces. Compression force A crushing force. Condensation When a gas turns into a liquid. Conduction Method by which solids transfer heat. Convection Method by which liquids and gases transfer heat. Corrosion The deterioration of metals that occurs on contact with liquids. Ductility Ductility is the ability of
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A pressurized vessel contains a gas that starts at 2.00 and volume of 3.4 ml. The volume increases to 4.6 ml. What is the new pressure? A.0.68 atm B.615 atm C.63.6 atm Correct D.1.5 atm E.none of the above Answer Key: D Question 2 of 12 4.0/ 4.0 Points What is the molar volume of a gas at STP. Correct A.22.4 L B.16.0 L C.2.00 L D.6.02 L E.Not enough information to answer the question. Answer Key: A Question 3 of 12
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Both the graph and the table represent the same thing‚ the temperature of the solution during fractional distillation. At the start of the fractional distillation‚ before we started the fire‚ it was 25° celcius. At the end of the fractional distillation‚ when all of the liquid was gone‚ it was 99.3 degrees. This set of data is not the first time we did the fractional distillation‚ it’s actually probably the 3rd or 4th. The first time we didn’t actually record the temperature‚ we just looked for the
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The Camesia gas pipeline‚ which runs from the amazon‚ over the Andes‚ to the pacific coast has been raising a lot controversy in the past decade with its destruction of the Peru rainforest. It has ruptured 4 times with at least three major spills in the first 18 months since it was constructed in 2004. With 22 indigenous communities living in a state reserve in isolation‚ a contractor by way of helicopter has made contact with these isolated communities and is pressuring them to abandon their ancestral
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An experiment to demonstrate the effect of temperature on fermentation by yeast The purpose of this laboratory is to observe how temperature affects the metabolism of Grape juice by visibly noting the volume changes of identical food mixes containing yeast at different temperatures. Background Information If yeast is added to a liquid containing sugar and other nutrients‚ kept at an appropriate temperature (and deprived of oxygen)‚ it will turn the sugars into ethanol (alcohol) and carbon
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to maintain a constant pH and temperature. Sparger • The sparger is an apparatus used to introduce gasses into the vessel. • Spargers are located at the bottom of the vessel and consist of a tube with tiny holes for the gas to escape through into the culture. • The gas coming out of the sparger helps to aerate and mix the contents in the vessel‚ as well as supply oxygen to the cells. Baffles • Baffles are obstructions on the side of the vessel that generate turbulence in the flow of the culture
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in the environment naturally. One of the most abundant green house gases water vapor accounts for between 1% to 4% of the earth atmosphere (www.humanscauseglobalwarming.com). Carbon dioxide which is the greenhouse gas people say is causes global warming accounts for only .0387% of the atmosphere (www.humanscauseglobalwarming.com). Also 99%
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