within the shale by drilling horizontally, forcing water, sand and chemicals into the rock. In each 10,000 ft well over a million gallons of water is pumped, along with sand in chemicals agents in order to cause fissures. By flowing sand through the well, this acts to keep these fissures open, to allow the natural gas to escape. Between 2005-2009, the House Energy and Commerce committee released a report addressing the chemicals used in the hydro-fracking process. The report stated, “The 14 leading
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Report | This is a Premium essay for upgraded members Sign Up to access full essay DID YOU LIKE THIS? TELL YOUR FRIENDS... Send Report Submitted: June 21, 2013 Title: Properties of Gases Purpose: To analyze a few physical and chemical properties of gases as well as using those properties to identify the gases. Procedure: * For Hydrogen I placed a piece of Zn metal into a test tube with diluted HCl. * To produce oxygen I added Hydrogen peroxide to manganese. * Next, I added
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Chemical Peels Chemical peels are one of the least invasive ways to improve one’s appearance. Peels are a form of exfoliation that assists in cell turn over. Before the age of 30 cells turn over every 28 days. After the age of 30 it’s about 10 days every 10 years. Due to slow cell turn over after the age of 30 chemical peels could improve acne, acne scars, age and liver spots, fine lines and wrinkles, pigmentation, and sun damaged skin. There are three different types of peels: superficial
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php?img=2978920 It is a bicyclic (2 fused rings) compound with a pyridine cycle and a pyrrolidine cycle as indicated by the above diagram. Structural Formula in 3-D The following shows a step by step demonstration on how to create the chemical structure for nicotine. The diagrams also include the bond angles between the elements. **Side Note*** The bond angles for a pyridine are all in the 120 - 122 degrees range and the bond angles for a pyrrolidine are
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surroundings, generally using energy from light (photosynthesis) or inorganic chemical reactions (chemosynthesis). They are the producers in a food chain, such asplants on land or algae in water, in contrast to heterotrophs as consumers of autotrophs. They do not need a living source of energy or organic carbon. Autotrophs can reduce carbon dioxide to make organic compounds for biosynthesis and also create a store of chemical energy. Most autotrophs use water as the reducing agent, but some can use other
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U.S. CHEMIC AL S AFETY AND H AZ ARD INVESTIG ATION BOARD INVESTIGATION REPORT LPG FIRE AT VALERO – MCKEE REFINERY (Four Injured, Total Refinery Evacuation, and Extended Shutdown) Photo: Associated Press VALERO ENERGY CORPORATION SUNRAY, TEXAS FEBRUARY 16, 2007 KEY ISSUES: • FREEZE PROTECTION OF DEAD-LEGS • EMERGENCY ISOLATION OF EQUIPMENT • FIREPROOFING OF SUPPORT STEEL • FIRE PROTECTION FOR HIGH PRESSURE LPG SERVICE • CHLORINE RELEASE REPORT NO. 2007-05-I-TX JULY 2008
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Name ____________________________ Date _______________ Per _______ Valence Electrons Worksheet follow along with the lecture by completing the sample problems below. KEEP THESE NOTES IN YOUR FOLDER! Example 1: How many valence electrons does Magnesium have? 1. Write the electron configuration 2. Circle the subshells in the highest energy level 3. Count the electrons in those orbitals Example 2: How many valence electrons does Chlorine have? Example 3: What is the electron dot
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the percent composition you ensured we understand each step must be included for full point in case of an error during our procedure. We finished the eChat reviewing empirical formulas as well molecular formulas and discussing stoichiometry and the chemical recipe of “club house stoichometry”. We worked through some questions of stoichometry as well as mass stoichometry. 2. What skills or concepts did you learn by participating in this eChat? The skills and concepts I learned by participating
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Predicting Reaction Products Predict the products for the following reactions, balance the equation, then classify the type of reaction: 1) ____ Na + ____ FeBr3 ( 2) ____ NaOH + ____ H2SO4 ( 3) ____ C2H4O2 + ____ O2 ( 4) ____ NH3 + ____ H2O ( 5) ____ PbSO4 + ____ AgNO3 ( 6) ____ PBr3 ( 7) ____ HBr + ____ Fe ( 8) ____ KMnO4 + ____ ZnCl2 ( 9) ____MnO2 + ____ Sn(OH)4 ( 10) ____ O2 + ____ C5H12O2 ( 11) ____ H2O2 ( 12) ____ PtCl4 + ____ Cl2
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Corporate culture of the organization Corporate culture — set of models of behavior which are acquired by the organization in the course of adaptation to environment and the internal integration, shown the efficiency and divided by the majority of members of the organization. Components of corporate culture are: * the accepted system of leadership; * styles of a resolution of conflicts; * operating system of communication; * position of the individual in the organization; * features
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