Acids Bases and pH Scale I. Acids *Acids are ionic compounds ( a compound with a positive or negative charge) that break apart in water to form a hydrogen ion (H+). *The strength of an acid is based on the concentration of H+ ions in the solution. The more H+ the stronger the acid. Example: HCl (Hydrochloric acid) in water Characteristics of Acids: **Acids taste sour **Acids react strongly with metals (Zn + HCl) **Strong Acids are dangerous and can burn your skin
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First Law of Thermodynamics The first law of thermodynamics states that the energy cannot be created nor destroyed it can only be changed from one form to another. Another name for this law is the law of conservation of energy. This means that the total energy of a system plus its surroundings is constant and does not change. Energy can‚ however‚ be transferred in or out of the system and to or from the surroundings through work or heat. Conservation of Energy Energy may be defined as the
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Many organizations nowadays take on broad ranges to training and development from highly specific job skills to long-term professional development. Training and development has even lately emerged as a formal business function that it is an integral element of strategy to the organization itself. Many businesses factor in the quality of employees‚ by embracing the concept of "continual learning" as a means of promoting employee development at the same time acquiring highly skilled work force.
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Major: Environmental Engineering We humans have a long history of polluting our air‚ water‚ and soil. This contamination not only hurts nature‚ but is dangerous to people. Luckily‚ environmental engineers are on the job. They use math and science to clean up the messes we’ve made and prevent new ones from happening. For example‚ they might figure out how to clean up toxic material that has seeped into the ground at an old gas station or design an effective way to treat wastewater. If you choose
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WHY I WANT TO BE AN ENGINEER Consider some things we always use in our everyday life such as vehicles‚ buildings‚ roads‚ bridges‚ vehicles‚ computers‚ electric devices and others are exist because of engineers. Without engineer maybe people cannot lives in easiest ways. Engineer can be defined as people who solve problems and focus on making things work more efficiently and effectively. They also apply theory of science and mathematics to design and manufacture product for human kind. Therefore
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Assignment Cover– be sure to keep a copy of all work submitted To be completed by student – PLEASE PRINT CLEARLY Name(s) ID Number(s) Lecturer Lab group / Tutorial group / Tutor (if applicable) Course and Course Code Submission Date: Assignment No. / Title Extension & Late submission: Allowed / Disallowed Assignment type: Group % of Assignment Mark Returning Date: Penalties: 1. 10% of the original mark will be deducted for every one week period after the
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Blacks Not On Covers of Magazines! Think about being at the grocery store at the check out line where the magazines are located. How often are African Americans or minority cover models showcased on the cover of magazines? Not often. This issue is what David Carr presents in his essay‚ gOn Covers of many Magazines a Full Racial Palette Is Still Rare.h Carr feels that blacks and other minorities are not represented enough on magazine covers. Carr supports this dynamic argument through
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1. Theories * Concept of gender * Before 1970s: No concept of Gender * 1970s: Concept of Gender over determinism * 1990s: Diversity of Sex * Sexual desire is not natural instinct but product of society language (for example the re-production‚ instinct‚..) * The society code of desire * “Feminist argue that media images of women are always directed at men and that women are encouraged to look at themselves and the other women the way men do” (Betty Friedan‚ 1963) *
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coverings such as a burka‚ niqab‚ and chador‚ and if they hold any spiritual differences. Especially for women living in the Middle East‚ I wonder if the body covering is mostly for their faith or if the environment plays a part in their decision to cover their full body. I also wonder how it came to be that Muslim women had to wear headscarves‚ and why the men never did. It will be interesting to find out the history of coverings‚ and how this affects why women wear them now. I am curious to see
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Relationship between algal cover and water chemistry in rockpools Ahmad Mukhris Ahmad Mahadzir ABSTARCT Intertidal rockpool is one of the harshest environment in marine ecosystem. Most of the organisms living in it has to have adaptions to survive in harsh conditions‚ especially algal. A research was done to see if abiotic factors such as temperature‚ dissolved oxygen‚ temperature and pH value could have a significant correlation with total percentage of algal cover. Initial hypothesis was dissolved
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