Background An indicator is a halochromic chemical compound that is added to a solution to determine its pH. It is a chemical detector for hydronium ions. The indicator changes colour to show the pH of the solution. Some indicates are not very precise and only tell us whether the solution is acidic or basic. When the indicator is added to the solution‚ they bind to hydrogen or hydroxide ions. The different electron configurations of the bound indicator cause the indicator ’s colour to change.
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Topic Gateway Series Activity Based Costing Activity Based Costing Topic Gateway Series No. 1 1 Prepared by Stephanie Edwards and Technical Information Service Revised November 2008 Topic Gateway Series Activity Based Costing About Topic Gateways Topic Gateways are intended as a refresher or introduction to topics of interest to CIMA members. They include a basic definition‚ a brief overview and a fuller explanation of practical application. Finally they signpost some further
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PH on reaction rate/ enzyme activity measured by foam height. PH is the measure of the concentration of hydrogen ions in a solution. The higher the hydrogen ion concentration‚ the lower the pH. Every enzyme has an optimal PH‚ meaning they have a very small window in which they are most active. Our enzyme (potato smoothie) had an optimal PH of 7.0-7.5. We know this because we measured the enzyme’s reaction rate by measuring foam height. The largest foam height we measured was 3.0‚ which was collected
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save your work as 2_04.rtf. Assignment Questions Part I: Beginning the Activity 1. Choose an activity such as walking‚ running‚ aerobics‚ soccer‚ basketball‚ or rollerblading. What exercise activity will you participate in? Running 2. Why is the warm-up phase of your training program important? It will stretch each major muscle group which will be worked during the activity you are preparing for. 3. Why is the cool-down phase of your training program important? Stretch all major
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Name: Cassidy Lessig Activity 1 The Muscle Twitch and the Latent Period 1. 1. Define the terms skeletal muscle fiber‚ motor unit‚ skeletal muscle twitch‚ electrical stimulus‚ and latent period 2. What .is the role of acetylcholine in a skeletal muscle contraction? Skeletal muscle fiber-Skeletal muscle fibers are the individual cells that are bound together in fascicles. Many fascicles are bound together to make a muscle Motor unit-A motor unit consists of a motor neuron and all of the muscle
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International University MPH 502; Module 3 Assessment Health Indicators The leading health indicators in the United States are physical activity‚ overweight and obesity‚ tobacco use‚ substance abuse‚ responsible sexual behavior‚ mental health‚ jury and violence‚ environmental quality‚ immunization‚ access to health care. (Leading Health Indicators‚ 2007) The United States Department of Health and Human Services gathers this information. Incidence and Prevalence “According to the Center for
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Title of Experiment: An Activity Series Lab MSDS: Copper‚ Cu(s) Stability- Stable. Incompatible with strong acids‚ active halogen compounds‚ chlorine‚ fluorine‚ iodine‚ bromine‚ ammonia. May react explosively with strong oxidizing agents. Toxicology-Dust may cause respiratory irritation. Personal Protection- Suitable ventilation if handling powder. Zinc‚ Zn(s) Stability-Stable. Incompatible with amines‚ cadmium‚ sulfur‚ chlorinated solvents‚ strong acids‚ strong bases. Air and moisture
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Enzyme Catalase Activity in Reaction with the Substrate Hydrogen Peroxide Abstract We performed these experiments to observe the effects of enzymes on the rate of reactions. We tested and compared the activity of the enzyme catalase on the substrate H2O2 in various states and percentages‚ and observed the absorption values of the enzyme-substrate relationship at different concentrations. Our results show that the more substrate available‚ the quicker the reaction will happen except in one test
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Exercise 4: Endocrine System Physiology: Activity 1: Metabolism and Thyroid Hormone Lab Report Pre-lab Quiz Results You scored 100% by answering 6 out of 6 questions correctly. 1. Which of the following statements about metabolism is false? You correctly answered: d. All of the energy from metabolism is ultimately stored in the chemical bonds of ATP. 2. Thyroxine is You correctly answered: c. the most important hormone for maintaining the metabolic rate and body temperature. 3. Thyroid-stimulating
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of Play Activity * Comprehensive Planning * Detailed Implementation * Evaluation * Recommendations * Personal Learning * Bibliography Aim of Play Activity The Play activity i implemented was face mask painting. The aim of this activity was to take a holistic approach which support and promote each area of the child’s area of development. A holistic approach is approach which considres the child as a whole person and understand what they have achieved and what they have
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