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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through the reaction unchanged. When you encounter net ionic equations on the SAT II Chemistry test‚ you’ll need to remember the following solubility rules‚ so memorize them! Also keep in mind that net ionic equations‚ which are the bare bones of the chemical reaction‚ usually take place in aqueous environments. Here are those solubility rules: Most alkali metal compounds and compounds are soluble. Cl-‚ Br-‚ I- compounds are soluble‚ except when they contain Ag+‚ ‚ or Pb2+. F- compounds are soluble
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personal opportunity‚ in large part due to the many ways chemicals have been put to work for us. For example‚ drugs whose effects range from curing previously fatal bacterial infections‚ reducing the impact of AIDS‚ minimizing heart disease‚ decreasing age- related wrinkles‚ to reducing hair loss are widely available today. The many benefits of the diverse uses of our natural resources are an outcome of careful scientific research and of using chemicals in an appropriate and safe manner. Toxicologists‚
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Classes of Chemical Reactions Whenever a reaction takes place‚ energy is changed as well when the substances react chemically. Scientists have taken these changes in energy and generalized them. Scientists can take these generalizations and discover more about the nature and tendencies of matter. In this lab‚ the purpose was to perform seven reactions‚ write down their equations‚ and identify the type of reaction. In this lab report‚ several methods of displaying this information will be applied
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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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EFFECTS OF DRUG ABUSE ON ACADEMIC PERFORMANCE INTRODUCTION Drugs are chemical substances either synthetic or natural when taken that alter the normal physiological functioning of the body. Drug abuse relates to excessive use of psychotropic substances resulting to changes in behavior and normal functioning of the body. This paper looks into the effects of drug abuse (on academic performance)‚ the common drugs abused and ways and means of mitigating the same. It also looks into the common
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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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simulated pharmaceutical preparation Panacetin‚ a proposed type of pain-killer. Panacetin is typically made up of sucrose‚ aspirin‚ and acetaminophen‚ but the third component in this experiment is unknown. The unknown component is suspected to be a chemical relative of acetaminophen‚ either acetanilide or phenacetin. Using techniques such as extraction‚ evaporation‚ and filtration‚ the three components will be isolated based on their solubilities and acid-base properties. The percent composition of
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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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