Chemistry * a science that dealing with the structure‚ composition and properties of items and with the transformations that they undergo * the composition and chemical properties of a substance * chemical processes and phenomena (as of an organism) Examples: - Digestion; enzymes promoting chemical reactions that power our bodies. Lifting your arm requires your body to make and burn ATP using oxygen with carbon dioxide as one of the waste gases produced. - The internal combustion
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CHAPTER # 1 Q.DEFINE CHEMISTRY. A. Chemistry‚ a branch of physical science‚ is the study of the composition‚ properties and behavior of matter. Chemistry is concerned with atoms and their interactions with other atoms‚ and particularly with the properties of chemical bonds. Chemistry is also concerned with the interactions between atoms and various forms of energy Q.DEFINE THE BRANCHES OF CHEMISTRY. * Physical chemistry is the study of macroscopic‚ atomic‚ subatomic‚ and particulate phenomena
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Inside a space craft: How do people get oxygen inside a space craft? 7 Electrolysis is an important aspect of electrochemistry! 8 So there are plenty of reasons why we should learn electrochemistry! From submarines to space crafts to our daily life‚ electrochemistry is involved in many forms! We would study the following in this section: •Redox processes •Thermodynamics of redox reactions •Electrode potential •Chemical reaction taking place at electrodes •Electrochemical cells
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mass entertainment in the western world. Experimentation and innovation are basic to this century’s dramatist. Through movies and television‚ everyone has experienced the excitement and emotional involvement that gives the drama its important place in our lives today. The drama is difficult to read because it is meant to be seen‚ not read. It demands much imagination and attention on the part of the reader to enable him to hear the tones and see the actions of the actors against an imaginary background
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Your Daily Routines: Then and Now Day | Before College | After College | Sunday | My daily routine before college on a Sunday was to attend church service and was to decide what our Sunday dinner plans were. | My daily routine now that I am enrolled in college on a Sunday are to attend church service‚ decide what our Sunday dinner plans are‚ and to make sure that all of my assignments and discussion questions are submitted‚ and all participation posts are completed for the week. . | Monday
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Full name: Vương Tùng Dương Class. 10A8 Women role in our society. Today‚ it cannot be denied that the liberation of the women (will be better to change to the women’s liberation) from domestic duties and subservient status has actually brought them an independently social equal position or superior to that of men. Women today are very active as they take part in many social functions of the communities‚ and have achieved (achieve – it might be dangerous to use simple present and present
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Sustainability for our Civilization Sustainability is a major conflict our civilization has run in too. If humanity wants to perish we should continue what we are doing ‚but I doubt people want to lose this civilization. We have to factor in what we need to do in order to get over this wall we have run into. The greatest threats to sustainability is oil and deforestation because if these problems were fixed it would fix other threats facing us right now. These can be the biggest threat we have for our civilization
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Nuclear Chemistry: The Good vs. the Ugly The definition for nuclear chemistry is the application of chemical techniques to the solution of problems in nuclear physics. This includes the discovery of naturally occurring and synthetic radioactive elements and the results of nuclear fission. There are both pros and cons in nuclear chemistry. People believe that nuclear chemistry is bad for the environment but there are a lot of great things that can come out of this. Things like medical uses‚ food
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CHEMISTRY III : (CHEMISTRY & YOU) 1 PRETEST 1. The science that tackles the study of matter‚ its structure and the changes in composition that matter undergoes is a. Astrology c. Ecology b. Chemistry d. Physics 2. When a chemist performs an experiment‚ the quantity that is being tested is the a. control c. theory b. law d. variable 3. Juan is comparing how many kilos of rice can be contained in a sack. What process is he doing? a. counting c. measurement b. interpolation
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