heart rate to speed up‚ decrease‚ or stay the same‚ the volume of sound has a high effect on the heart. However‚ if people will let down the volume of sound‚ others would not be mannered by the increase in volume managing to the deadly heart attack. Sound within the community‚ for instance‚ traffic can cause a human’s heart rate of increase. Problem of heartbeat tends to be solved by seeing what kind of sound causes the increase of heart rates to place a termination to increase of heart rate. If
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environments affecting the rate of reaction‚ PNPP (p-nitrophenyl phosphate) + H20 ? PNP (p-nitrophenol) + H3P04. This reaction is catalyzed by the enzyme phosphatase. Different environments produced different reaction rates as environmental factors affect the efficiency of phosphatase. This is because environmental factors can change the tertiary structure of phosphatase‚ which alters its active site‚ and thus changes its efficiency to catalyze the reaction. We measured the rate of reaction‚ by using
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REACTION PAPER Inflation Rate in the Philippines 2011 The Bangko Sentral ng Pilipinas (BSP) said that although the scope for keeping policy rates has narrowed due to continued climb of the inflation rate‚ there is still no need to hike rates. This as the government reported the rise in the inflation rate to 4.3 percent last February from month-ago’s 3.5 percent on account of faster inflation rate in food and oil commodities. BSP Governor Amando Tetangco Jr.‚ in a text message to reporters
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6.05 Rate and Collision Theory Does surface area affect dissolving of Alka-Seltzer tablets? Materials: 1. solo cups 2. Alka-Seltzer tablets 3. Timer 4. Measuring Cup 5. Thermometer Procedures: 1. I placed out two of my solo cups on the counter 2. Then I put 1 cup of room temperature water into each cup. 3. Then put one Alka-Seltzer Tablet in one cup and time it until it dissolves completely. 4. In the second cup I put in a crushed up Alka- Seltzer tablet and timed it until it
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Lab Report: Chemistry DCP + CE Jovi Arya 28 August 2012 Aim The aim of this lab is to determine the order of the reaction between Propanone and aqueous Iodine with respect to Iodine. Apparatus and Reagents Apparatus I. Eye Protection (1) II. Spectrophotometer III. Cuvettes for spectrophotometer IV. Burette (4) V. Burette Stand (4) VI. Stopwatch VII. Conical flask (2) Reagents I. 0.020M I2 (aq.) II. 2.0M CH3COCH3 (aq.) III. 2.0M HCl (aq.) Raw
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Introductory Activity Heart Rate (pulse) Have the students find their heart pulse on the carotid artery of the neck. Use the index and middle finger to measure the pulse. Count the number of beats for 6 seconds and add a zero to the end of that number. This number represents the heart beats per minute. The heart pulse is located on either side of the wind pipe‚ next to the voice box. Allow the students to practice measuring their pulse to determine their resting heart rate. Explain that they need to
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Science Coursework-Rates of Reactions Introduction Investigating how the concentration of sodium-thiosulphate (STS) and hydrochloric acid (HCL) affects the rate of reaction in the experiment. In addition I am also checking how different variables affect my experiment and also how I can make my test more precise‚ reliable and accurate. Strategy According to my results‚ as the concentration of STS solution increased the rate of reaction of my experiment was increased. Also as the concentration
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Effect of Concentration on Reaction Rate Aim: To use a simple reaction between sodium thiosulphate and hydrochloric acid to discover concentration this determines how fast chemical reactions occur. Independent Variable: Concentration of hydrochloric acid (%) Dependent Variable: Time taken for chemical reaction to take place (sec) Hypothesis: My prediction is that the increased concentration of the thiosulfate will in turn lead to an increase in the rate of reaction. This is a well informed
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Running head: Global Financing and Exchange Rate Mechanisms Global Financing and Exchange Rate Mechanisms Global Financing and Exchange Rate Mechanisms Who really benefits from tariffs? "A tariff is a tax on foreign goods upon importation." (Wikipeidia‚ 2007) When a ship arrives in port a customs officer inspects the contents and charges a tax according to a tariff formula. Since the goods cannot be unloaded until the tax is paid‚ it is the easiest tax to collect. Though this is the easiest
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Chemistry Coursework Rates of Reaction Investigation Introduction In this investigation I am going to be investigating the reaction between marble chips and hydrochloric acid‚ and to see what differences in the rate of this reaction arise when different concentrations of acid are used. Below is the word equation for this reaction: Calcium Carbonate + Hydrochloric Acid = Calcium Chloride + Carbon Dioxide + Water Below is the fully balanced chemical equation for this reaction. CaCo3
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