Affecting Reaction Rate Lab Report Objective: To observe and record the different effects of reactants on concentration‚ surface area‚ and temperature‚ on the reaction rates for each. Materials: Refer to the Experiment 18A worksheet Procedure: Refer to the Experiment 18A worksheet Data Table: Mass of 11cm strip of Mg: 0.13g Average mass of 1 cm piece of Mg: 0.0118 Table 1: Effect of Concentration on Reaction Rate Concentration of Acid Reaction Time (s) Reaction Rate (g Mg/s)
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Eliza Solomon EE Notes from texts Biology section: Citation: “Evolutionary Psychology: An Introduction‚ Second Edition” by Lance Workman and Will Reader. Cambridge University Press. Printed in 2004‚ 2nd edition in 2008 in the UK. Published in NYC. “The mind‚ therefore‚ is seen as equipped with the species-specified ‘instincts’ that enabled our ancestors to survive and reproduce and which give rise to a universal human nature. This idea is in sharp contrast to the adhered
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Abstract The photocatalytic degradation of phenol has been tested primarily with titanium dioxide (TiO2) either alone or in combination with other materials. In this work‚ Mg/Al hydrotalcites prepared by two methods using inorganic (HC) or organic (HS) chemical reagents‚ along with mixed oxides produced by calcination of these products (HCC and HSC) were mixed with titanium isopropoxide to obtain hydroxide-TiO2 compounds (HCC-TiO2 and HSC-TiO2) to test their photocatalytic activity compared with
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IB Computer Science Dossier Grading Rubric – Abridged (See the IB document: d_5_comsc_tsm_0505_1_e.pdf for the full version) Gradesheet Snapshot: Criterion A1: Analyzing the problem Total = 12 pts. (See pages 67- 90 in the IB document: d_5_comsc_tsm_0505_1_e.pdf) The documentation should be completed first and contain a thorough discussion of the problem that is being solved. This should concentrate on the problem and the goals that are being set‚ not on the method of solution. A
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DISCUSSION In this experiment‚ we will extract plasmid DNA that carrying pKan and pAmp from E. coli that have been cultured overnight in LB media containing antibiotic kanamycin and ampicillin respectively. So‚ the DNA that will be introduced later will make the bacteria resistance to antibiotic kanamycin or ampicillin. A plasmid is a small‚ circular‚ double stranded DNA molecules and cloning vector that are widely used for recombinant DNA technology. It can be physically separated from chromosomal
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Purpose The purpose of this experiment is to determine the rate constants‚ k1‚ for the methyl acetate hydrolysis reaction at 25 °C and 35 °C‚ as well as the overall activation energy of the reaction. Methods Methyl acetate was placed in an HCl solution‚ in which it reacts with water to form acetic acid over time. At each time interval‚ an aliquot of the mixture was removed for titration against NaOH to determine the concentration of the acetic acid produced. From the amount of acetic acid produced
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International Business: The New Realities‚ 3e (Cavusgil) Chapter 4 The Cultural Environment of International Business 1) Cross-cultural risk is often intensified by managers with geocentric tendencies. Answer: FALSE Difficulty: Easy Skill: Concept Objective: 4-1 AACSB: Dynamics of the global economy; Multicultural and diversity understanding 2) An ethnocentric orientation positively impacts the ability of managers to manage business projects and new business practices abroad.
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1. Raymond Vernon argued that new products were developed by U.S. firms and first sold in the U.S. market because c. The wealth and size of the U.S market gave the firms an incentive to develop new products 2. This theory‚ initially proposed by Raymond Vernon‚ was based on the observation that for most of the 20th century a very large proportion of the world’s new products had been developed by U.S. firms and sold first in the U.S. market. a. Product life cycle 3. China‚ deliberately keeping
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PSYCHOLOGY liam.o’leary.11@ucl.ac.uk In Psychology‚ you will only get penalised for NOT ASKING QUESTIONS. Paper 1 = Core material 50% of final grade Section A – 53 % Section B – 47% A – Knowledge & Comprehension B – Evidence of critical thinking: application‚ analysis‚ synthesis and evaluation C – Organisation (Structure) Strategy: 20 mins + 5 mins planning for each of SAQs questions 50 mins for LAQ question CHOOSING and planning 10 mins for spellcheck Paper 2 = 25% of final grade Two
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PUTTING IT TOGETHER: Classifying Chemical Reactions Purpose: To observe and differentiate between the four different types of chemical reactions. Variables: The independent variables are the sodium chloride‚ sodium carbonate‚ magnesium‚copper‚ copper (11) sulfate‚ silver nitrate‚ oxygen‚ lead(11) nitrate‚ sodium carbonate‚ copper (11) sulfate pentahydrate. The dependent variables are the chemical reactions that are being looked for. For example decomposition‚ synthesis‚ single displacement or double
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