will have a new commercial application: cleaning the wastewater created by the drilling process called hydraulic fracturing. In fracking‚ a mix of water‚ sand and chemical additives is injected into a drilling well under heavy pressure to release natural gas from shale deposits. At the end of the process‚ some of the chemical-laden water returns to the surface along with salts‚ radioactive elements and other contaminants absorbed from the shale. Safely disposing of the waste from fracking without
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Analysis of a Chemical Reaction Purpose: To observe a chemical reaction and to use qualitative and quantitative evidence to identify this reaction from among four possibilities. Hypothesis: I think the result is going to produce water. I think this is going to happen because there is hydrogen and oxygen inNaHCO3. Materials: -Test tube clamp - 150 mm test tubes (2) - burner - retort stand - clay triangle - iron ring - crucible Procedure: Part A: 1. Add 0.5 g of NaHCO3
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The effect of unhealthy lifestyle In our research‚ we are seeking the effect of unhealthy lifestyle among the UTM students. There are many effects of unhealthy lifestyle that we are going to research like are unhealthy lifestyle related to fall sick frequently‚ sleep deprivation‚ difficult to focus during lecture‚ emotional‚ defective memory‚ weight issue and hormone imbalance. One of the factors of unhealthy lifestyle from our research is improper eating habit like uncontrolled eating habit and
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behind the sand. More water may need to be added depending on if the salt particles are fully desolved or not. 11. The sand has been recovered. Take the filter paper‚ unfold it‚ weigh its mass‚ and place it in the chemical oven to dry before measuring. 12. While the sand is in the chemical oven‚ take a hot plate‚ and place the beaker with the filtered salt water on the hot plate. The water will begin to boil‚ and eventually‚ the salt will be clearly visible and separated. 13. Once the salt is fully
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Lecture No. 1 Chemical Kinetics 1.1 The Rate of a Reaction Chemical Kinetics is the area of Chemistry that is concerned with the speed‚ rate or mechanism at which a chemical reaction occurs. Reaction Rate is the change in the concentration of a reactant or product with time (i.e. M/s). It measures how fast a reactant is consumed and how fast a product is formed. 1.2 WRITING RATE EXPRESSIONS Consider the following hypothetical reaction. A + 2B ( 3C + D Rate = - rate
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Persuasive essay Legalize Marijuana I believe that marijuana should be legalized. Many people agree and disagree on this subject. I feel that smoking cigarettes does more damage then smoking marijuana. Because marijuana is an all natural substance and no extra chemicals are added to it like other drugs I feel like it is safer. I feel that marijuana should be legalized and cigarettes should be banned. Or we should at least have a few days a year when it is legalized. People have been disagreeing with
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are suffering on the lice problem. These are safer to use because it doesn’t contain any chemical substances and it is effective and not too expensive. Acknowledgement First of all I would like to thank to God Almighty‚ Who always guide in everything I do and planned to
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fires and is a tool that you should carry when you go into the woods. Cerium and the element before‚ lanthanum are both used for dramatic spark effects in movies. They get a big block of it and put it to a grinder. Its atomic number is 58 and its chemical symbol is Ce. The last element I will discuss is neodymium. It is the best known out of the lanthanide series out of rare earths because of the one and only neodymium magnets. They are the strongest magnets in the world and there are many purposes
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Experiment 7: A Study of Chemical Changes: Types of Chemical Reaction INTRODUCTION Chemical changes are results of chemical reactions. All chemical reactions involve a change in substance and a change in energy. They are either chemical elements or compounds. A chemical reaction rearranges the constituent atoms of the reactants to create different substances as products. There are different types of chemical reaction classified into 4 general types‚ namely‚ Synthesis‚ Decomposition
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of chemicals‚ which resulted in the company recalling all products. Promptly we would like to address the problem of our recent production of Children teething rings. Johnson & Johnson is currently working on removing and replacing all teething products made any time from January 22nd 2010 through March 25th 2010 there is reason to believe that a harmful substance was mixed in the rubber making of these rings. We believe that the substance was accidently inserted into the wrong chemical mixture
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