Organic VS. Conventional Alexis Dossey Environmental Science 1A For years‚ there has been a debate on how food is grown. Should it be organic or conventionally grown? To answer this question‚ the difference between the two needs to be known. Organic produce is grown without chemical fertilizers and pesticides. Organic livestock is free ranged‚ most of the time‚ with no added antibiotics or growth hormones. Conventionally grown produce is usually
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hydrated salt in order to determine the percentage of water inside of this hydrated salt. We heated up the salt in order to boil off the water‚ which allowed us to find the weight of the CuSO4 by itself. By comparing this final weight with the original weight and subtracting the difference‚ we were able to compile data about how much the weight of the hydrated salt decreased as the water gradually boiled away. In doing so‚ we were able to find the total weight of the water in the hydrated salt by subtracting
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also known as salt‚ common salt‚ table salt or halite‚ is an ionic compound with the formula NaCl‚ representing equal proportions of sodium and chlorine. Sodium chloride is the salt most responsible for the salinity of the ocean and of the extracellular fluid of many multicellular organisms. As the major ingredient in edible salt‚ it is commonly used as a condiment and food preservative. /Salt is currently mass-produced by evaporation of seawater or brine from brine wells and salt lakes. Mining of
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Identification of Unknown Organic Compound by Melting Point (M.P)‚ Boiling Point (B.P) and Infrared Spectroscopy Methods and Background The main objective of this lab is to identify the given unknown organic compounds with various methods. Identification of an unknown compound is important to perform through the process of melting point (M.P)‚ boiling point (B.P) and Infrared spectroscopy (I.R). Index of Hydrogen deficiency (IHD) and elemental analysis makes an experiment more efficient in
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Course title: Product and Material in modern society Course code: ME1D02 Project title: Application of materials in kitchenware: Frying Pan Name: Pun‚ Yinkiu Student ID: 12118148d Page number: Submission Date: 30th November‚ 2012 Content Section 1: Introduction and Objective-------------------------------------------p.3 Section 2: Literature review--------------------------------------------------------p.4 Section 3: Methodology-------------------------------------------------------------p
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of fusion (D) high melting point (E) high heat of vaporization 3. Which of the following statements is TRUE? (A) Most gases are more soluble in liquids at higher temperatures. (B) In any solution‚ the solvent has to be liquid. (C) The solubility of a gas in a liquid is inversely proportional to the pressure. (D) If the heat of solution is negative for a solid in a liquid‚ then more solid will dissolve at lower temperatures. (E) All of these statements are false. 4. Commercial concentrated
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price of organic food is involved as a factor for consideration to purchase organic food. Many consumers consider the price of organic food as a barrier for purchasing behaviour due to the higher price in comparison to the conventional product. There were some studied showed that non-organic consumer claimed that organic food was expensive. If the organic was cheaper then they will consider to purchase it. On the other hand‚ the high income earner mentioned that the high price of organic was not an
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Physical Properties of Organic Molecules Abstract Identifying the physical properties of compounds can be useful in several ways. It helps us to determine the structure of certain compounds‚ the purity of substances and if a substance is not pure we can figure out how to separate contaminating substances from a compound. In this experiment‚ I learned how to determine a solid’s melting point and why some melting point ranges may be broader than others.
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Section (a) I will be analysing an electric toothbrush. The design aspects I will be focusing on are; Function Performance Market Aesthetics Ergonomics Economics Function Primary functions of a toothbrush are- to wash teeth clean better/easier than an ordinary toothbrush. Secondary functions are- Timer so it’s easy to estimate the right time of washing teeth. Battery indication so you know when to charge it before it dies‚ Changeable ends so more people can use the same toothbrush
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example the presence of salt greatly enhances the rusting of metals. This is due to the fact that the dissolved salt increases the conductivity of the aqueous solution formed at the surface of the metal and enhances the rate of electrochemical corrosion. This is one reason why iron or steel tend to corrode much more quickly when exposed to salt (such as that used to melt snow or ice on roads) or moist salty air near the ocean. [pic] salt will speed up rusting. The more salt you
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