Lab Report: Understanding Photosynthesis Gen Biology Lab Abstract: This lab was called photosynthesis: understanding photosynthesis. It is a highly complex process that needs to be broken down in many steps to understand how it works. This lab covers the big components in photosynthesis including carbon dioxide intake‚ light consumption‚ and varying pigmentation. Introduction: Photosynthesis is a huge concept to learn and understand in the field of biology. Plants have their own special
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Experiment 2 February 19‚ 2013 Abstract: In the Gravimetric determination is the measurement of mass in two different forms precipitation and volatilization. In our experiment we will be using the precipitation form which isolates an ion in a solution by a precipitation reaction‚ filtering‚ purifying by wash method‚ conversion to product of known composition‚ and final weigh of the product comparing the mass difference of theorictal and actual. This method identified the weight percent of iron
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Abstract: This report presents the reason why the ocean does not freeze in the winter. Since the ocean consists of salt water‚ an experiment was done to test the effect of freezing on salt water compared to pure water. The experiment was conducted three times in order to obtain accurate results and eliminate errors. In addition to the salt and pure water experiment‚ a variation of this experiment was created to test other options. In the variation experiment the effect of freezing on sugar water
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Enzyme lab report. Introduction. An enzyme is a protein molecule that speeds up the rates of chemical reactions by many folds. They recognize‚ bind‚ and change specific reactants. They do not change thus can catalyze the same reaction again and again. Activation energy also known as an energy barrier is the amount of energy needed in order to begin a chemical reaction. Catecholase catalyzes the reaction rate of catechol oxidation. Catechol is found beneath the skin of many plants such
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Chemistry lab report Experiment 32 Voltaic Cell Measurements Dinmukhamed Yeraly Partner Azamat Bashabayev General Chemistry II lab Instructor Rostislav Bukasov Nazarbayev University Introduction Most of the chemical reactions can be classified as redox reactions‚ which include two half reactions‚ oxidation and reduction respectively. To measure the tendency for a readox reaction to occur‚ special apparatus called voltaic cell can be used. It is made by connecting a voltmeter between
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How did the amount of Sodium Citrate‚ an anticoagulant‚ added to a Calcium Chloride solution affect the volume of the clots formed when a sodium alginate solution‚ a blood simulation‚ was introduced? Mackenzie Keesor (Fall Semester 2017-2018) Purpose The purpose of this experiment was to observe the differences in the formation of simulated blood clots when different amounts of sodium citrate‚ an anticoagulant‚ was added to the coagulation process‚ which would help gain information about the process
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Lab Report: Identifying Physical and Chemical Changes Nelson Science Perspectives 10 section 5.2 Amazing Student September 17‚ 2012 Mrs. Volkmann SNC 2D Purpose: To collect evidence and then use it to identify physical and chemical changes. Hypothesis: I predict the following: Change 1 will be a chemical change Change 2 will be a chemical change Change 3 will be a physical change Change 4 will be a chemical change Change 5 will be a chemical change Change 6 will be a physical
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(CO2) and water (H2O). CO2 can combine with water to form carbonic acid during cellular respiration. Phenolphthalein can be used to help detect any changes in pH because of production of CO2 during cellular respiration. Phenolphthalein usually appears clear or colorless in acidic solutions‚ and red in basic solutions. Procedures: In the first lab‚ seven test tubes were attained and six of them were filled with the solutions that were listed (Na Pyruvate‚ MgSO4‚ NaF‚ Glucose‚ Water‚ and yeast
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The aim of this experiment it to analyze the solution of Ba(OH)2 of an unknown concentration. In order to obtain the quantitative analysis‚ the exact amount of a particular compound or element present in sample‚ two procedures were performed. The first procedure was by conductimetric titration and by gravimetric determination. The conductivity was analyzed during the reaction between the sulfuric acid (H2SO4) and barium hydroxide (Ba(OH)2). Through the conductivity‚ the equivalence point can be determined;
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concentration‚ the substrate‚ on the enzyme‚ acid phosphatase‚ reaction. In an enzyme reaction‚ there is substrate that binds to the active site of the enzyme and product is the end result. The enzyme is the catalyst for the reaction which means that it speeds up the process. Without enzymes‚ the majority of reactions would not occur because the activation energy level would be unattainable. With this in mind‚ the hypothesis was that the RM4 solution‚ the one with the most substrate‚ would have the
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