All children are unique and develop at their own rate but they tend to follow a similar pattern. There are a number of areas of development like‚ Physical‚ communication‚ Social‚ emotional‚ behavioural‚ Intellectual and moral development. Development is very rapid in the early years of a child’s life and tends to slow down the older they get. Moral development is usually adapted from the setting a child lives and would usually deem something wrong and right‚ based on what their parents believe is
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Introduction Reactions don’t always produce the same product‚ even if the reactants are kept constant. Some reactions have the capacity to produce two or more different products‚ depending on the reaction conditions and control such as thermodynamic and kinetic control. Thermodynamic control produces more stable products (University of Windsor‚ 2015). A kinetic control forms products at a faster rate faster rate because of its lower activation energy (UC Davis ChemWiki‚ 2015). By manipulating these
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Christy Chan (5) BIOLOGY LAB REPORT Investigation of the effect of metal ions on enzyme activity Objective To study the effect of two heavy metal ions‚ lead (II) ions and silver ions on the enzyme activity of invertase. Introduction Hypothesis: The rate of enzyme reaction of invertase decreases and the reaction eventually stops as the heavy metal ions inhibit the enzyme reactions. Biological principle: Heavy metal ions are non-competitive inhibitors. They do not compete with the substrates
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Concentration vs Rate of reaction Brandon Introduction A reaction rate is the speed at which a chemical reaction will occur. Heat‚ concentration of a chemical‚ Surface area or a catalyst‚ will affect the rate of reaction. The concentration of a chemical will speed up of the reaction because the reactant particles have become more crowded therefore increasing the chance of productive collisions. In this practical the chemicals will be Sodium thiosulphate and Hydrochloric acid which will produce
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Acknowledgement Introduction & Objective Theory Requirements Procedure Observation & Calculation Result Acknowledgement I __________ of class _______ thereby declare that this investigatory project of chemistry on “Study of presence of Oxalate Ion content in Guava fruit at different stages of ripening” is made by my own hard work and efforts under the supervision of our Chemistry Teacher__________________ Signature:___________________ Introduction & Objective Guava is a
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Lab Report Factors That Affect Enzymes Reaction Rate Name of lab: Effects of temperature‚ pH‚ Enzyme Concentration‚ and Substrate Concentration on Enzymatic Activity Introduction: Enzymes are the most important types of proteins‚ they act as catalysis (speed up chemical reactions). If enzymes didn’t exist‚ biochemical reactions would act to slowly and they couldn’t keep up with the metabolic functions. Enzymes have a three-dimensional structure that is really complex. This structure consists
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solution would be put into the cuvette at precisely 30 seconds and so time would not have an effect on my results. I also used separate pipettes to measure out the starch‚ amylase and distilled water so that the solutions don’t mix together before the reaction should start. Also‚ I repeated each of my experiments two times to make sure I get accurate
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Ocean County College Department of Chemistry Identification of Metallic Ions Date Submitted: July 4‚ 2015 Date Performed: July 4‚ 2015 Lab Section: Chem-181DL1 Course Instructor: Prof. Amal Bassa Purpose The purpose of this experiment was to perform and observe the flame tests of some alkali and alkaline earth metal ions. Procedure To begin I placed approximately 0.5 mL of sodium nitrate in a well of the 24-well plate. I then placed approximately 0.5 mL of the remaining
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Hydrogen is recognized as the simplest and lightest chemical element in the periodic table; even though it is identified as one of the top elements in abundance in the world (consisting of 0.9 percent of the total mass on earth)‚ it is considered to be the most abundant element in the entire universe. It is a gaseous element with the atomic symbol being H. It is usually categorized under the first group of the periodic table known as the alkali metals. It contains only one electron that revolves
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of ATP‚ Adenosine Triose Phosphate. This occurs by converting glucose into pyruvate via glycolysis. Pyruvate is then transported into the mitochondrial matrix via active transport. Numerous reactions‚ catalyzed by a multi enzyme complex then occur‚ where the pyruvate is decarboxylated as shown in the reaction below. Pyruvate + NAD* + CoA ? acetyl CoA + reduced NAD + Carbon Dioxide This experiment shall be carried out via the manometric technique‚ where there are two different environments with
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