it can be compressed into any container‚ you can’t hold a gas in your hand like a solid. You can’t pour a gas into a bowl like a liquid. Many gases are invisible. Scientists say a gas is something that expands to fill any container it is in. Helium as a Gas. You can’t hold a gas in your hand It particles run away from each other You cannot see some gases
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31.0dm3 what is the pressure in atm? 5. There are 135dm3 of gas in a container at a temperature of 26000C. If the gas was cooled until the volume decreased to 75dm3‚ what would the temperature of the gas be? 6. A balloon is filled with 35.0dm3 of helium in the morning when the temperature is 20.000C. By noon the temperature has risen to 45.000C. What is the new volume of the balloon? 7. CaCO3 decomposes at 120000C to form CO2 gas and CaO. If 25dm3 of CO2 are collected at 120000C‚ what will the volume
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it from a certain distance. Saturn rotates quickly‚ contributing to its high wind speeds. In addition to this‚ the heat from the planet’s interior makes its rings visible. Saturn’s atmosphere is similar to the sun’s‚ mostly containing hydrogen and helium. One of the planet’s most notable features is its rings. They can be seen from a very far distance‚ with the use of a telescope. The rings are mostly composed of particles of ice and rock. These particles are kept in the rings by Saturn’s smaller
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Through his famous 1911 gold-foil experiment‚ Earnest Rutherford‚ a former student of Thomson‚ evolved the atomic model once again. Rutherford and his colleagues fired alpha particles‚ helium atoms that had lost their two electrons‚ at a thin piece of gold foil (only 0.00004 cm in width). They used a screen coated in zinc sulfide to "catch" the alpha particles after they had penetrated the gold foil. The screen would also emit a flash of light where it was hit by an alpha particle‚ which enabled
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220_002 #04 FOOD & BEVERAGE A P P L I C AT I O N N O T E Page : 1 CARBOHYDRATES IN FOOD THE FINEST LC-EC APPLICATIONS FOR FOOD & BEVERAGE ANALYSIS EVER PROCESSED INTRODUCTION Carbohydrates not only provide the most easily accessible energy source for our body‚ they also play an important role in many physiological processes. They are involved in intercellular recognition‚ infection processes‚ and certain types of cancer. Carbohydrates analysis is of interest to the food industry but
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fourth edition ORGANIC CHEMISTRY Francis A. Carey University of Virginia Burr Ridge‚ IL Dubuque‚ IA Madison‚ WI New York San Francisco St. Louis Bangkok Bogotá Caracas Lisbon London Madrid Mexico City Milan New Delhi Seoul Singapore Sydney Taipei Toronto | v v Boston | e-Text Main Menu | Textbook Table of Contents | Study Guide Table of Contents McGraw-Hill Higher Education A Division of The McGraw-Hill Companies ORGANIC CHEMISTRY‚ FOURTH EDITION
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Fusion Nuclear Fusion Source: Atomicarchive.com at: http://www.atomicarchive.com/Fusion/Fusion1.shtml Nuclear fusion is another method to produce nuclear energy. Two light elements‚ like tritium and deuterium‚ are forced to fuse and form helium and a neutron. This is the same reaction that fuels the sun and produces the light and heat. Unlike fission‚ fusion produces less energy (~18 MeV)‚ but the components are more abundant and cheaper than uranium.
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Morris Travers in the year eighteen ninety eight. It was found in London when Sir William Ramsay made a statement that there had to be more elements because there was a gap in the Periodic Table of Elements that are like Krypton in being noble gasses helium and argon. Knowing this he was determined to find the elements that where needed to fill the gap so he did a little research. He collected information about how one element could possibly hide another element. So he thought maybe there is a new element
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wavelengths for each line spectrum for the florescent light. The next part of the lab session will be measuring the wavelengths of the line spectra of atomic emission spectra. There were three tubes presented which contain the vapor of Hydrogen‚ Helium and Mercury. These elements can glow when connected to a voltage. Using a spectroscope‚ we will determine the types of colors and the wavelengths of the individual lines‚ which are emitted by the respective atoms. We will also examine the atomic
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hydrogen. Neptune’s core is made of iron and other metals. Its mantle is made of water‚ ammonia‚ and methane. The temperature inside of the mantle can range from 1‚727 degrees Celsius to 4‚727 degrees Celsius. Neptune’s atmosphere is 83% hydrogen‚ 13% helium‚ and 4% methane. Neptune has 6 rings‚ and they’re made of dust particles. Colour Neptune’s colour is a radiant azure blue.
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