would be more secure if the planet were free of nuclear weapons. Nuclear weapons are the only type of weapon in existence that have the capacity to annihilate the human species and countless other species. The very existence of nuclear weapons leaves open the possibility that a nuclear exchange might take place. This could happen intentionally‚ inadvertently (as in the Cuban Missile Crisis when the U.S. and USSR almost blundered into nuclear war)‚ or by an accidental launch. The list of historical
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questioned if I will in favor for nuclear power plant‚ I would say yes. Because Nuclear energy is the world’s largest source of emission-free energy. Nuclear power plants produce no controlled air pollutants‚ such as sulfur and particulates‚ or greenhouse gases. The use of nuclear energy in place of other energy sources helps to keep the air clean‚ preserve the Earth’s climate‚ avoid ground-level ozone formation and prevent acid rain. Of all energy sources‚ nuclear energy has perhaps the lowest impact
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university of Business Agriculture and Technology Assignment No-01 Course name- General Chemistry “Topic” The importance of Chemistry in our daly life Submitted to Dr.Mohammad Harun-Ur-Rashid Submitted by Group-Royals Chemistry: The chemistry is the study of substances specially their structure‚ properties‚ transformations and the energy accompanying these transformation. Chemistry is very important within our daily lives. We are using it all of the time without even realizing
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A. Role of Chemistry in Society Applications of chemical science have contributed significantly to the advancement of human civilization (1‚ 2‚ 3). With a growing understanding and ability to manipulate chemical molecules‚ the post-World War II chemist was considered a societal problem solver. They synthesized crop-enhancing agricultural chemicals to ensure a constant and viable food supply. They played a significant role in the eradication of deadly diseases by developing life-saving pharmaceuticals
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Chemistry and Us The world is surrounded by so many things and everything is made of chemicals. Chemistry is very vital because it helps us to know the composition and changes of matter. Every single day of our life passes through chemistry in many ways. Human body works through the chemical reactions happening inside it. When we breathe‚ eat and sleep there’s still the presence of chemistry. The oxygen and foods we take helps our body to work. Exchanges of gasses‚ breaking down of foods we
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Green Chemistry Many companies all over the world produce chemicals for their products that are harmful to the environment‚ human health‚ and to all living species. Green Chemistry is the use of chemistry for the prevention of chemical pollution to the environment by using chemicals that are benign‚ or not harmful. The Environmental Protection Agency (EPA) states that the mission of Green Chemistry is‚ "To promote innovative chemical technologies that reduce or eliminate the use or generation
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Nuclear Power in the United Arab Emirates (updated December 2012) * The UAE is taking deliberate steps in close consultation with the International Atomic Energy Agency to embark upon a nuclear power program. * It has accepted a $20 billion bid from a South Korean consortium to build four commercial nuclear power reactors‚ total 5.6 GWe‚ by 2020. * Construction of the first unit started in July 2012. The United Arab Emirates (UAE) was founded in 1971‚ comprising seven states including
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Isotopes and average atomic mass Isotope: element variations with different atomic mass but same atomic number Isotopic Abundance: the relative amount in which each isotope of an element Calculating: given 2 isotopes of an element [B: 10.01u] [B: 11.01u] 1) Given average atomic mass: 10.81u If given percentages‚ you can find average atomic mass by adding each portion 2) Set variables for unknown values Let x represent % abundance for 10/5 B Let 1-x represent % abundance for 11/5 B Calculate:
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home. I decided to choose a different major which happened to be chemistry. I convinced myself that after all science is science. I decided that once I finished the chemistry major‚ I would support myself to study the laboratory science. I worked very hard in chemistry as I was aiming to graduate with honors. However‚ during the course of my study‚ I learned my things‚ which left me very surprised since I did not think that chemistry could contain so much information. In fact‚ it came to a point that
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1 COMPUTER ASSISTED INSTRUCTION IN CHEMISTRY IN RELATION TO LEARNERS’ PERSONALITY Dr.R.Sivakumar Abstract The aim of this study was to find out the effectiveness of Computer Assisted Instruction in Teaching Chemistry In Relation To Learners’ Personality. The sample consisted of 40 students in Control group and 40 students in Experimental group. The data were collected using appropriate tools and it was analyzed by t’ and F’ test. The finding is that the achievement scores of Experimental group
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