not exist (Lab Manual 3 pg. 1). They help in many different ways that are useful to the body of living organisms. Enzyme are used to speed up chemical reactions (Lab Manual 3 pg. 1). Through this process‚ they are considered very unique because they are not altered or consumed within the reaction (Lab Manual 3 pg. 1). This is why enzymes are considered biological catalysts. They also do not alter the equilibrium of a chemical reaction nor the amount of free energy that is released (Lab Manual 3 pg
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ABSTRACT: The objectives are to understand and apply the means to measure distance‚ mass‚ volume‚ density and time using different scientific tools and methods. Precision‚ Accuracy‚ etc. would be utilized from the past learned skills and applied to future labs while working on calculations. EXPERIMENT: Throughout physics(labs)‚ measurements are determined with help of experimental data manipulation. In the lab it is detrimental to know how to measure length‚ mass‚ and time in accurate and precise manner
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if antimicrobial concentration increases‚ then the zone of inhibition will increase because the higher the concentration‚ the more the antimicrobial will disinfect the area of bacteria and thus the zone of inhibition will increase.The results of the lab do support my hypothesis. Paragraph 2: My antimicrobial was bleach. Bleach contains hypochlorous acid which “causes bacterial proteins to unfold and stick to one another‚ making them nonfunctional and leading to cell death”(publications.nigms.nih.gov)
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than pH 9 and 100 times (10 times 10) more alkaline than pH 8. Primary pH standard values are determined using a concentration cell with transference. This measures the potential difference between a hydrogen electrode and a standard electrode. Measurement of pH for solutions can be done with a glass electrode and a pH
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Alka-Seltzer Rocket Formal Lab Report Abstract In the Alka-Seltzer Rocket lab one was to experimentally determine how much (grams) Alka-Seltzer and water in mL‚ is needed to launch the rocket the highest/longest distance in cm. Also to experimentally determine the % NaHCO3 in the tablet using the information from the highest/longest distance. Calculate the error and % error of NaHCO3 in an Alka-Seltzer tablet and to determine the limiting reagent for the highest/longest distance traveled. Alka-Seltzer
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placed in a beaker of syrup. After a time lapse of ten minutes‚ each egg was taken out and dabbed to remove excess liquids. After excess liquids had been removed‚ they were placed on the scale one at a time. The mass was then recorded in a data table. These steps were repeated in ten minute intervals four more times‚ each time recording the mass in the data table. After all measurements were collected‚ the percent of mass change was calculated using the formula listed below: 100(Mass after Immersion-Initial
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Measurement of Mass‚ Volume‚ and Density through Archimedes Principle Overview: The purpose of this experiment was to measure the density of a solid and a liquid using Archimedes principle. Archimedes is one of the greatest inventors and mathematicians of all time. The principle we used in this experiment was discovered when Archimedes stepped into a full bath tub. Using Archimedes principle‚ we were able to determine the density of a lead rod‚ water‚ and an unknown liquid. Physical Data:
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Code : Physics Lab 1 (FP1021) Instructor’s name : Dr. Azah Nik Jaafar Objective 1. To measure Human Reaction Time 2. To find uncertainty and error of a measurement Apparatus 1. Ruler Theory Human Reaction Time is a measure of how quickly human can respond to a particular stimulus. This experiment is done by dropping a ruler and measuring the distance the ruler falls. On this experiment‚ the purpose of conducting the human reaction time is as an example indirect measurement‚ where the
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9-17-12| Exp 2: Laboratory Techniques & Measurements|Lab Section: 0000| Data Tables: Step 1: Length and Measurements Object Measured|Length in cm|Length in mm| Key|5.15 cm|51.5 mm| CD|12.0 cm|120.0 mm| Fork Spoon|18.05 cm 16.30 cm|180.5 mm 163.0 mm| Step 2: Warm Temperature Measurements Hot tap water temperature 49.50_˚C Boiling water temperature __immediately:104.5; after 5 minutes: 103.0__˚C Step 3: Cold Temperature Measurements Cold tap water temperature _24.5_˚C
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6 November 2012 SUBJECT: Lab Report Analysis This memo proposes the observations and claims I collected from reviewing three different lab reports. Three fields of study are composed within this memo that includes Electrical Engineering‚ Environmental Engineering‚ and Petroleum Engineering. “Electrical Filters‚” (Electrical)‚ written by Joe Schmoe‚ is a lab report made by a student at a university. The College Board produced an environmental lab report named‚ “Monitoring Air Quality‚”
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