RESULTS AND DISCUSSION REPORT—EXPERIMENT 3 (CHEMICAL KINETICS) CALCULATIONS Effect of Concentration on Reaction Rate [S2O32-]initand [H+]init for each run‚ knowing the original concentrations and volumes of [S2O32-]‚ [H+]‚ and water used. [S2O32-]init= __(M[S2O32-])(V[S2O32-])__ [H+]init= _____(M[H+])(V[H+])____ V[S2O32-]+V[H+]+V[water] V[H+]+V[S2O32-]+V[water] Run 1 [S2O32-]init= (0.15 M)(10 mL) (10+3+2)mL = 0.1 M [H+]init= (3 M)(2
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Effects of SO2 On Fermentation Rates Purpose SO2 is the primary inhibitor for natural microbiological growth in wine. It prevents the browning of juice by inhibiting phenol oxidase activity and kills the natural yeast cells for the utilization of fermentation-controlled commercial Saccharomyce strands (Boulton et al. 1996). SO2 is pH and temperature dependent and can exist as several forms. The bisulfate form (HSO3-) can complex with soluble solids such as anthocyanins and acetaldehydes to become
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The Population Growth Rate in India For many years concern has been voiced over the seemingly unchecked rate of population growth in India‚ but the most recent indications are that some success is being achieved in slowing the rate of population growth. The progress which has been achieved to date is still only of a modest nature and should not serve as premature cause for complacency. Moreover‚ a slowing of the rate of population growth is not incompatible with a dangerous population increase
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exchange rate system. China has announced in 2005 the “end of its firm peg against the dollar‚ instead allowing it to trade within a narrow band against a basket of currencies.” China regime is managed floating system where the currency increases very slowly year by year and the China government prevent the currency from changing quickly in the short term. The reason why Chinese government intervene in the currency market is to lower exchange rate to increase employment‚ maintain a fixed rate to maintain
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Determination of Rate and Order of a Reaction Results This experiment used a spectrometer to find the wavelength with maximum absorbance in a green food coloring solution. For this particular solution the wavelength was 629.7 nm. The system was then calibrated to that and was set to measure the food coloring and bleach solution. The measured visible light absorbance of the mixed solution was collected over a time of 200 seconds and eight points were then selected and placed into the Absorbance
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1. The heart rate determines the intensity of the fitness activity. a. 12*6=72 b. 220-21=199 c. 129-150 range. 2. Aerobic metabolism‚ uses fats‚ proteins and carbohydrates that are oxidized and turned into carbon dioxide and water. Anaerobic metabolism‚ uses only carbohydrates and enters the fluid‚ or cytoplasm‚ of the cell and is turned into lactic acid. Aerobic exercises are running‚ biking‚ and swimming‚ whereas anaerobic exercises are sprinting‚ jumping‚ weight training. 3. My activity is considered
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The purpose of this lab was to investigate whether veins affect photosynthesis rate. It was predicted that having veins would decrease the rate because chloroplast might be less frequent due to the vascular tissue. For this experiment‚ 4 groups were set up: veins and no veins in CO2 solution‚ and veins and no veins in distilled water‚ the distilled water groups served as controls. These 4 groups were placed under a light bulb in order for photosynthesis to occur. No disks experience movement in the
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The Relationship Between Work Rate And Oxygen Uptake During Incremental Submaximal Exercise Introduction Oxygen uptake () describes the rate at which oxygen is utilized by tissues (Burton et al‚ 2004). is determined by heart rate (heart beats each minute)‚ stroke volume (the volume of blood pumped from one ventricle each beat) and arteriovenous oxygen difference (difference in blood-oxygen content between arterial and venous blood). Oxygen is needed for respiration‚ the chemical process that
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do we need to use when making decisions? 2. Why is there a difference between the interest rates on AAA corporate bonds and U.S. Treasury notes? 3. Your father is about to retire. His firm has given him the option of retiring with a lump sum of $50‚000 in ten years or an annuity of $8‚000 for ten years. Which is worth more now‚ if the discount rate is (a) 6% (b) 19%? 4. Suppose you open a saving account with $1‚800 earned in a summer job. The account’s stated interest rate is 11%. Calculate
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Accounting Rate of Return (ARR) ARR provides a quick estimate of a project’s worth over its useful life. ARR is derived by finding profits before taxes and interest. ARR is an accounting method used for purposes of comparison. The major drawbacks of ARR are that it uses profit rather than cash flows‚ and it does not account for the time value of money. ARR is most often used internally when selecting projects. It can also be used to measure the performance of projects and subsidiaries within
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