Spring © Camille Gotera When the cold‚ harsh winter has given its last breath‚ When the sky above shows life instead of death‚ When the claws‚ reaching to the frozen sky becomes decorated with Leaves‚ When the animals-long in hiding- scurry from trees‚ We know winter has ended. When the frost on grass is replaced with sweet dew‚ When the fields become dotted with flowers‚ reminding me of you‚ When the lonely silence becomes filled with melodies‚ When you feel warm air‚ erasing bad
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Chemistry Review (mid-term) 1. Use the equation for atomic mass to answer the following questions. (http://johnheilchem10.escuelacampoalegre.wikispaces.net/file/view/average+atomic+mass+calculations+-+3.pdf) 1. Argon has three naturally occurring isotopes: argon-36‚ argon-38‚ and argon-40. Based on argon’sreported atomic mass‚ which isotope do you think is the most abundant in nature? Explain. 2. Copper is made of two isotopes. Copper-63 is 69.17% abundant and it has a mass of 62.9296 amu.
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The beauty of nature is in its diversity. Nature has its own style of functioning. The different seasons are part of natural phenomena. There are four seasons: spring‚ summer‚ autumn and winter. They occur because of earth’s revolution around the sun. They are characterized by differences in average temperature ang in the varying amount of sunshine. The changes in temperature and the length of the daylight that accompany different seasons greatly differ at different places. In the northern hemispheres
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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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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 it. Every time we wash our hands in the kitchen or the bathroom
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level 5070/31 CHEMISTRY Paper 3 Practical Test October/November 2010 CONFIDENTIAL INSTRUCTIONS *4711088250* Great care should be taken to ensure that any confidential information given does not reach the candidates either directly or indirectly. The Supervisor’s attention is drawn to the form on page 7 which must be completed and returned with the scripts. If you have any problems
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Colin Casey How Social Networking Affects our Everyday Lives Changing and ever evolving‚ social networking has impacted everybody ’s lives in an irrevocable manner. Beginning in 2003 with Myspace‚ social networking completely revolutionized the way people interact with one another. The empire created by Myspace was then further expanded by a new generation of social networks such as Twitter and the ever so popular Facebook. This era was marked with innovative features including video chat and
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What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
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How has performing arts affected your lives‚ and why is it important to you? Performing arts comprises a wide range of activities that involves the use of one’s potential skills‚ body and creativity to be able to produce a piece of art work that defines them individually. Personally‚ performing arts has affected me greatly since I first began playing the piano as my very first instrument. Firstly‚ one of the main affects that has impacted me and made me who I am today are life values. For example:
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Topic 6 Microscopic World II Unit 23 Shapes of molecules Unit 24 Bond polarity and intermolecular forces Key C o ncepts Microscopic World II Shapes of molecules • Covalent molecules with non-octet structures • Shapes of molecules • The VSEPR theory • Molecular crystals of buckminsterfullerene (C60) • Carbon nanotubes Bond polarity and intermolecular forces • Electronegativity and bond polarity • Van der Waals’ forces • Factors affecting the strength
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