Chemistry 1211K Lab Report Briana Limage Drawer #D20 Tuesday December 2‚ 2014 Lab Day and Time: Tuesday 2-5 Unknown # 4224034-DF14 Introduction The purpose of this semester long experiment was to determine an unknown organic acid. An organic acid is an organic compound with acidic properties. A base reacts with acids to form salts. Titrations are used to determine the concentration of unknown substances. The purpose of the KHP experiment was to determine the molarity of NaOH. HCl
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XXXX Chemistry HLA DCP Raw Data Temperature (±0.5 °C) 30.0 °C 40.0 °C 50.0 °C 60.0 °C 70.0 °C 80.0 °C 90.0 °C Length of the Bubble (±0.5 mm) Trial 1 (±0.5 mm) 16.1 mm 17.1 mm 18.5 mm 20.5 mm 22.5 mm 23.5 mm 25.0 mm Trial 2 (±0.5 mm) 16.3 mm 17.0 mm 18.5 mm 20.2 mm 21.6 mm 23.2 mm 24.1 mm Trial 3 (±0.5 mm) 16.2 mm 17.2 mm 18.5 mm 20.3 mm 21.5 mm 23.1 mm 24.5 mm Notes • The starting temperature of the 200ml of water for all three trials was 30 °C. Processed Data ! ! ! ! ! Let T
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Virtual Lab: Cell Cycle Lab (Onion Root Tip) In this virtual lab activity‚ you will be observing the cell cycle in the tip of an onion root. The root tip is responsible for the downward growth of the root and is one of the regions in the plant where cells are actively dividing and growing. Because of this‚ the root tip is an excellent system in which to observe the entire cell cycle‚ including the processes of nuclear division (mitosis) and cell division (cytokinesis). You will be submitting a
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Virtual Lab: Enzyme Controlled Reactions Worksheet 1. Which of the following does NOT apply to an enzyme: b. Inorganic 2. When an enzyme catalyzes a reaction: a. Substrate(s) bind in the active site 3. Which of the following would interfere most with the ability of an enzyme to catalyze a reaction? a. Reduced concentration of substrate available 4. Feedback mechanisms regulate the rate of enzyme activity‚ effectively “turning off” an enzyme in a reversible way until more product is needed
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Charles’ Law and Absolute Zero Date of experiment: November 4‚ 2010 Date submitted: November 11‚ 2010 Introduction: As per Charles’ Law‚ there is a linear relationship between the temperature and volume of a gas. Charles discovered that -273°C is the point at which a gas has no volume. Since that’s as cold as he thought things could ever get‚ that originated the idea of absolute zero. In this experiment‚ Charles’ Law was applied and made into data to determine an experimental value for Absolute
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Expiratory reserve volume decreased due to the rapid increase in breath rate. Normal resting breath rate is at an average 11.6 breaths per minute increased to 27 breaths per minute after exercise. The increase in BR causes expiration length to go below its normal 3 second interval. Therefore decreasing ERV by .6 Liters. Inspiratory reserve volume decreased due to the rapid increase in breath rate. Normal resting breath rate is at an average 11.6 breaths per minute increased to 27 breaths per
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(VCL) Introduction / Generic Lab Introduction Virtual ChemLab is a collection of realistic simulations. There are two general chemistry laboratories‚ including quantum and inorganic. The purpose of the quantum laboratory is to allow students to explore and better understand the foundational experiments that led to the development of quantum mechanics. In general‚ the laboratory consists of an optics table where a source‚ sample‚ modifier‚ and detector combination can be placed to perform
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As a global market leader‚ Charles River Laboratories (CRL) is considering a joint venture with ALPES‚ a family-owned franchise and sole producer of specific pathogen-free (SPF) eggs in Mexico. Charles River Lab is serving over 15 countries worldwide with production and supply of laboratory animal models for research‚ development and testing of new pharmaceuticals. With the increasing demand of SPF eggs worldwide‚ Dennis Shaughnessy can easily envision the long-term growth of CRL and profitable opportunity
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SEPARATION OF MIXTURE OBJECTIVE: To separate the components of a mixture based upon physical characteristics of each component within the mixture. Secondly‚ to determine the mass of each component by using the knowledge of separation techniques. SAFETY REQUIREMENTS: Do Not Pipette By Mouth Read the Chemical Safety Information Dress Appropriately Identify the Safety Equipment Don’t Taste or Sniff Chemicals Don’t Casually Dispose of Chemicals Down the Drain MATERIALS:
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Title: Separation of Mixture of Solids - Experiment 3 Date: 9/21/13 Purpose: This experiment is designed to show the different ways to separate solid mixtures into individual elements. It will also determine whether a substance can be considered “pure” or not‚ as well as determining the solubility of each mixture in water. Procedure: 1) Weigh the amount of the mixture on the digital scale. Separate the Iron out by using a magnet to filter out the Iron element. 2) Take the remaining mixture
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