beaker while the reaction is recurring to disappear. As it can be seen in the graph‚ the higher the temperature the shorter the time is for the Sulphur to be created. If it is looked as one continuous line‚ the first part of the trend line shows a steep‚ straight and constant decrease; then the 2nd part is not as steep and has a more gradual decline. Moreover‚ it shows how a reaction at 20°C a slower time for the cross to disappear compared to 40°C and especially 60°C. Both graphs show how temperature
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Jared Choy Mr. Dahlhausen Period 6 17 November 2014 Does Age affect Reaction Time? When a person sees a health care provider and the doctor hits the person’s knee with a rubber mallet‚ the person’s leg kicks up on its own. This happens because when the doctor hits your kneecap‚ the tendon under it gets stretched‚ which in turn will send a signal to an awaiting motor neuron so it can command the muscle to contract. Let’s take for example the reflex arc. A reflex is the involuntary movement of the
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Investigating How Concentration of Acid Affects the Reaction Between Calcium Carbonate and Hydrochloric Acid Introduction ============ According to the collision theory temperature‚ concentration‚ surface area and catalysts all affect rates of reaction as shown in the diagrams below. Increasing any of these should increase the number of collisions and so increase the reaction rate up to an optimum point. Increasing the temperature causes the particles to collide with more
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in baths of water of different l. temperatures. The test tube containing water will have little or no reaction at all. However‚ the test tube containing the Diastase will have several different times to which the starch will break down. Once the Diastase reaches between 30 - 40 degrees Celsius‚ the time taken for the starch to break down should decrease and be at it’s lowest to do so. However‚ in cold solutions the starch will take longer as it will in temperatures beyond 40 degrees
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milk Introduction Enzymes are globular protein‚ responsible for most of the chemical activities of living organisms. They are made up of long chains of amino acids containing carbon‚ hydrogen‚ oxygen and nitrogen (Gunsch‚ 2012). The role of enzyme is to act as catalysts‚ substances that speed up chemical reactions without being chemically altered during the process. The speeding up of chemical reactions is done by lowering the activation energy required to start a reaction. Enzymes are specific in
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Families dealing with a member suffering from Post-Traumatic Stress Disorder (PTSD) can be mentally affected. Some families have trouble with depression and addiction‚ others with psychological problems like guilt‚ anger‚ and sympathy. Not every case is the same due to the severeness of that person’s PTSD and what symptoms they are showing. According to the The National Institute of Mental Health‚ PTSD is “a disorder that develops in some people who have seen or lived through a shocking‚ scary
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Factors that affect the activity of an enzyme It is important when working with enzymes to understand basic enzymatic theory behind them when selecting conditions to measure the activity of the enzymes. The factors that are known to affect the concentration of enzymes are temperature‚ pH‚ concentration of enzyme‚ concentration of substrate‚ buffer type and concentration‚ the presence of any inhibitors and cofactors (Worthington-biochem.com). 1.7.1. Temperature With most catalysed reactions‚ the reaction
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How do volcanoes affect people and environments? Each year there are approximately 50-70 volcanoes that erupt. Those volcanoes affect the people and environments in many different ways. According to the article “How many active volcanoes are there? (Tom Simkin and Lee Siebert) there are about 20 volcanoes erupting right now. Volcanoes can affect people and environments in many uncounted ways. One important thing that can affect the environment is that the volcanic soils help the environment in
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What are Enzymes? Enzymes are proteins that quicken chemical reaction in our body. They are found in our digestive system‚ in the stomach mostly. They are there to speed up the process of breaking down food into molecules that provide nutrients to the body. Enzymes are made up of amino acids. The Digestive System: Many people believe that when you eat a meal it drops into a pool of stomach acid‚ and then it is broken down as it goes into the small intestine to have nutrients taken out‚ and then
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that anyone can do it but in fact withdrawal drugs in really hard challenge that needs hard effort and will power because drugs change the behavior that lead to force the body to abuse using drug. Drug abuse information clearly states drug abuse is an extreme desire to obtain‚ and use‚ increasing amounts of one or more substances. The first question to answer is the effects of drugs on brain. Drug can effects the communication system and executive functioning in our brain‚ how they send‚ receive
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