C2H6O + 2O2 ->2CO2 +3H2O + 498kJ C2H6O + 2O2 ->2CO2 +3H2O ΔH=498kJ Propanol 2C3H8 O + 9O2 -> 6CO2 + 8H2O + 637kJ 2C3H8 O + 9O2 -> 6CO2 + 8H2O ΔH=637kJ Butanol 2C4H10O + 12O2 -> 8CO2 + 10H2O + 973kJ 2C4H10O + 12O2 -> 8CO2 + 10H2O ΔH=973kJ d) According to the measured data‚ as the alcohol molecules become larger‚ the enthalpies of the combustion become larger too therefore‚ the bigger the molecule‚ the more energy is released. The prediction I made was correct. e) Sources of experimental
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Nutrition and Wellness Course Syllabus INSTRUCTOR INFORMATION Ms. Amanda Leikvold Email: amanda.leikvold@access.d2l.com You may email me at anytime but please allow 24 hours for a response. COURSE INFORMATION Nutrition and Wellness— Dates of Course: August 7‚ 2014-December 16‚ 2014 Course Description— Nutrition and Wellness is a one-semester course which provides the students with good nutrition principles for human physical and mental wellness. Discussions include wellness and food choices
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DNA VISUALISATION INTO Biology Practical SAFETY INFORMATION ABOUT THIS EXPERIMENT The chemicals tabulated below will be used in this experiment. The likely hazards associated with each of the chemicals are noted and recommended procedures for handling are given. Read this page and the description of the experiment before coming into the laboratory‚ noting any potential hazards. When you are satisfied that you understand any possible difficulties that might arise and the recommended procedures
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law of motion ● ● When we walk on the ground‚ then our foot pushes the ground backward (action force) and the ground in turn exerts a force on the foot (reaction force) pushing the foot forward When a man jumps from a diving board he pushes the board (action force) and the board in turn pushes the man forward in the opposite direction (reaction force) Some examples
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Science has done great service to mankind. Science has ensured life to be safer‚ surer and much more comfortable than ever before. Science has helped man to make computers‚ artificial satellites and robots. Science has given the Americans a defense umbrella in space and it has given the Russians a permanent space station. Russia‚ it is believed‚ will have an industrial city in space before 2050 A.D. This would be the height of achievement in the field of science and technology. Science has
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birthday party where Eddie is dress in his sister’s pink party dress by his sister and cousins then present to his family to see. As a child Eddie likes to play dress-up by wearing his mother’s clothes and lip. His strange habits worry her mother‚ so she has him checked out by a doctor that tells her Eddie is fine. In high school Eddie decides to become Gwen by dressing like a girl‚ growing his hair‚ and wearing make-up. Gwen tells his mother that he is spending the night at his best friends‚ but instead
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Finish Line & Beyond Science Class 9th Matter in Our Surroundings Characteristics of Particles of Matter States of Matter Effect of Change of Temperature Effect of Change of Pressure www.excellup.com ©2009 send your queries to enquiry@excellup.com Finish Line & Beyond Introduction Everything in this universe is made up of material which scientists have named “matter”. The air we breathe‚ the food we eat‚ stones‚ clouds‚ stars‚ plants and animals‚ even a small drop of water or a particle
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1. Sex Male Female 2. What is your age group? 11-12 13-14 15.16 3. Do you or any one of your school mates use indecent language during school hours? Yes No 4. Are you associated with any violent or inappropriate behaviour with any other students in the school that you attend? Yes No 5. Do you or any one of your school mates consume alcoholic beverages in school?
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other words‚ he’d much rather have her love and die on the spot‚ than not have her love and die later. At the end of the same scene‚ after the lovers have agreed to be married‚ Romeo says that he’s willing to stand there forever and forget that he has any other home‚ but it’s almost dawn‚ and Juliet tells him that she wants him to go. But not too far: "And yet no further than a wanton’s [spoiled child’s] bird; / Who lets it hop a little from her hand‚ / Like a poor prisoner in his twisted gyves [shackles]
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when particles obtained cannot be divided further. Democritus called these indivisible particles atoms (meaning indivisible). How and why elements combine and what happens when they combine. Antoine L. Lavoisier laid the foundation of chemical sciences by establishing two important laws of chemical combination. (a) The Law of conservation of mass states that mass can neither be created nor destroyed in a chemical reaction. (b) The law of constant proportions which is also known as the law of
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