Krotec; Honors Bio Period 4 Photosynthesis Lab Report I. Introduction The photosynthesis lab is designed to quantify photosynthesis‚ enabling a number of variables to be tested for their effects on photosynthetic rate. The production of oxygen‚ is used as an indirect measure of photosynthetic activity.The lab allows the examination of the effects of different wavelengths of light on photosynthetic activity. The other aspect of the lab includes Paper chromatography‚ which is
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families. The most prominent family relationship in the camps (mostly because the women were exterminated immediately) is that between father and son. As the book progresses and the suffering intensifies‚ however‚ many changes are seen in this father-son bond. One of these changes‚ brought on by the inner struggle between self-preservation and love‚ is shown when the son begins to view his own father as a burden. After the mad run to Gleiwitz‚ in which prisoners who could not keep up were shot immediately
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From performing the pH experiment it has proven that pH buffer 7 is the optimum pH for catalase in potatoes. This is because the height of the bubbles was the highest of all three tests (pH 3‚ pH 7‚ pH 9) reaching an average height of 0.433 cm. See graph 3. While pH buffer 3’s average height was 0.233 cm only reaching a maximum height of 0.3 cm in Trial 3 and pH buffer 9’s average height being 0.333 cm only reaching a maximum height of 0.4 cm again in Trial 3. See table 1. Therefore this supports
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Motherly Bond In the very first chapter of Kidd’s The Secret Life of Bees‚ the main character‚ Lily Owens‚ starts off by describing her mother‚ and she associates the concept of a "mother" with the idea of a legal and natural connection between a woman and her child. This opening immediately puts a great amount of emphasis on the theme of motherly love. Lily spends the majority of her childhood attempting to put together the missing pieces of her mother’s life. As Lily matures to understand her
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In conclusion‚ parents need to have more knowledge of how important is to have secure attachment bonds with their children in their early childhood. Caregivers need to be more involved and care about their children developmental stages because when children have neglected or abusive environment. Children tend to have negative consequences though out their entire life‚ when their caregivers didn’t show them affection or to have trust in their selves. As result‚ some of these negative consequences
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This theory he speaks about is called Social Bond Theory. At this time in my life I was left without anyone to draw a bond with. For around a year and a half I was moved from five different foster homes never creating that bond with the families that was needed to prevent delinquency. The whole time I also had been to three different schools because for bad behavior. At this stage in my life it is easy to see that Hirschi’s theory of social bond was prevalent. Hirschi states there are four
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Chapter 3: Stoichiometry 3: Stoichiometry 5: Thermochemistry 8: Covalent Bonding and Molecular Structure 15: Chemical Equilibrium 16: Acids and Bases 3.2 Stoichiometry and Compound Formulas 3.1 The Mole and Molar Mass 3.2 Stoichiometry and Compound Formulas 3.3 Stoichiometry and Chemical Reactions 3.4 Stoichiometry and Limiting Reactants 3.5 Chemical Analysis Chapter Summary Chapter Summary Assignment Reference Tools Periodic Table Molarity Calculator Molar Mass Calculator Unit
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Lab Experiment 8: Oxidation Puzzle Post Lab Report for 2-ethyl-1‚3-hexandiol Calculations Theoretical yield: 1.857g Product Yield: 1.055g ----> Percent yield = (1.055g/1.87g) x 100% = 56.41% Starting amount of diol: 1.184g ----> Percent Yield = (1.184g/1.87g) x 100% = 63.32% Spectroscopy O-H (Stretch‚ H-bonded) C-H (Stretch) C-H (2720-2820 cm-1) Carbonyl C-O (Stretch) Product wavelength cm-1 3422 Strong‚ Broad 2877‚2936‚2964 Strong‚ Medium None Present 1705 Strong
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The purpose of this lab was to determine the effects of changes in variables such as temperature‚ pH and concentration on catalase enzyme activity. Proteins are organic compounds made up of amino acid subunits consisting of carboxyl and amino functional groups‚ linked together by peptide bonds through condensation reactions. They are an essential part of all living organisms. Enzymes are “biological catalyst used to speed up chemical reactions (Athanasopoulos‚ 2014). Normally‚ for chemical reactions;
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acid‚ hydrochloric acid and nitric acid are all strong acids. Ethanoic acid is a weak acids. That means that its solution contains a high proportion of molecules that haven’t split into ions. For all the reactions which give off hydrogen‚ the same ionic equation applies - whether the acid is strong or weak: Mg(s) + 2H+(aq) Mg2+(aq) + H2(g) The key factors to vary‚ control or take into account The amount of heat given out will depend on the mass of magnesium I use - the more magnesium I use‚ the
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