3) For Run 1, which reaction was closest to 100% yield? For Run 2, which reaction was closest to 100% yield?
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- Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.204 and A650=0.061, taking into account the dilution factor as per question 6, and the total volume of extract as per question 4. Note your answer to 2 decimal places Sample 1 Total Extract Volume (ml) is 45 Dilution factor is 100 A280 is 1.07 A620 is 0.221 A650 is 00.97 Specific Absorbance Ratio (SAR) A620/A280 is 0.206The table below shows the results. Concentration of sugar solution in mol/dm³ 0.0 0.1 0.2 0.3 0.4 0.5 Mass of potato at start in grams 7.94 7.95 7.96 7.93 7.93 7.95 Mass of potato after 24 hours in grams 10.14 Page 1 of 5 9.10 8.21 7.53 7.18 7.00 Change in mass in grams 2.20 1.15 0.25 -0.40 -0.75 -0.95 Explain why the potato in 0.0 mol/dm³ sugar solution increased in mass.9026238page=9 La-donya 021 Exam Containers Undergraduate Exam Only Containers | S1, 2020/21 EXAM CHEM0901 | S1 2020/21 mistry) ISTRY A If the enthalpy of standard formation enthalpies of CO and CO, are -110 kJ mol and -393.5 kJ mol, respectively, what is the enthalpy change for the reaction? co+1/20 CO. (e) Select one O a 283.5 kJ mo Ob-283.5 kJ mol O C -503.5 kJ mol Od 141 8 k mol 223 pm 10/12/2020 A ENG irsert prt sc delete home 6 8 Y enter H. K pause ctrl alt
- You want to prepare 500 mL of the macronutrient and micronutrient stock solutions which have 100X and 1000X higher concentration, respectively, than the required concentration in the culture mediuma)If 0.17 g/L KH2PO4 is required in MS medium, determine the mass (g) of KH2PO4 that is required to prepare the stock solution and the volume required (mL) to prepare 200 mL MS medium. Show your work.С. Determination of SiO2 46.582 1. Mass of evaporating dish #1 and SiO2 (g) 45.330 2. Mass of evaporating dish #1 (from part A) (g) 3. Mass of SiO2 (g) calculation botimizongns od no base to noitiaoqmoo laoimado od epeisicej coml 4. Percent of SiO2 (show calculations) बि रोियोदरा wod we iwollot onT wwrle of onua ootanop goieim adi otaluole Dercuman calculation To D. Mass of original sample (g) olgmee lanigiho baa cenM Mass of recovered (NH4C1 + NaCl + SiO2) (g) () lo eaaM S calculation (8) oiqmez Isnigho lo sasM E Percent recovery of matter T deib 2anM A calculationYou are presented with the following prescription: Rx Drug Y 175 mg Witepsol H15 q.s. Supply 6 suppositories (using 3 g nominal moulds) When using Witepsol H15, moulds will hold 1.06 times their nominal weight. The displacement value of Drug Y in Witepsol H15 is 1.1. Calculate the mass of Witepsol H15 required to prepare this product. Give your answer to two decimal places.
- Prepare 1L 20X Trace minerals stock in a media bottle: Fill out the last column of this table: Component NaCl MnSO4.H₂O H3BO3 CaSO4.5H2O NazMo04.2H₂O COSO4.7H2O KI CaCl2.2H₂O NiCl2 ZnSO4.7H2O FeSO4(NH4)2. 6H20 1X concentration 0.06 g/L 0.024 g/L 0.5 mg/L 0.5 mg/L 2 mg/L 0.0023 mg/L 0.1 mg/L 0.2 g/L 0.0025 mg/L 12 mg/L 35 mg/L 20X (Provide unit)Two compounds with partition coefficients of 15 and 18 areto be separated on a column with Vm/Vs 3.0 and tm 1.0 min.Calculate the number of theoretical plates needed to produce aresolution of 1.5.2 NDC 0186-0743-31 Keep containigdy closed. PRILOSec Protect from light and moisture Store between 15°C and 30°C (599 and 80°F) OMEPRAZOLE) 30 Delayed-Release Capsules 40 mg Rx only Manufactured for AstraZeneca LP PROSE Wington, DE 10850 40 By MERCK & CO. Whitehouse Shanon, NJ 06809, USA Name AstraZeneca 11 0.4 ESCOFF Figure 6-A2 Drug label for Prilosec 1) Read the drug label in Figure 6-A2. How many Prilosec (omeprazole) capsules would contain 0.32 g of the drug? 2) Using a formula estimate the body surface area of a person whose height is 6 feet 3 inches. and who weighs 200 pounds. |||| 0.5 USUAL ADULT DOSAGE: See package insert NDC 0054-3542-58 The PROSEC (omeprazole) Delayed Release Capsule should be swallowed whole and not opened, chewed, or crushed. 4) Order: Oncovin (vincristine sulfate) 2.5 mg po daily. The BSA is 1.63 m2 and the recommended dose is 1.4 - 2.0 mg/ m2. Is the prescribed dose in the safe dose range? 5) Indicate with an arrow a reading of 0.42 mL on the scale…
- Normal text Calibri BI UA G |EE| +2 I +3+1 CICCO4, 1 LE | ZJ VITICHI SUpstances did not test positive for any of the organic compound Distilled water did not test positive for any of the organic compounds. 5| 6 3) 4) What do all of the indicators you have used have in common? Indicators are all substances whose solutions change color due to changes in p 5) Is there a macromolecule that the tests in this lab did not test for No, there is no macromolecule that the lab did not test for. 6) Which compound is most common in foods that come from plants? Cellocuse is the single most common biochemical compound in living things. 7) If you wanted to reduce the amount of fat in your diet, what foods would you avoid? Steer away from foods high in saturated and trans fats like fried foods, fatty meats, stick margarine, snacks and items with hydrogenated oil. M 6 8) Which foods tested would your body use for a quick burst of energy? a. For energy when no carbohydrates are available? b. For building…The phenol concentration of wastewater was determined from three (3) parallel determinations, giving a mean of 0.513 μg L-1 and a standard deviation of 0.05 μg L-1. Decide at a risk level of 5% (or a confidence level of 95%) whether a reference value of 0.520 μg L-1 is statistically different.Prepare the following solutions1. 250.0 mL 0.0100 M working EDTA solution from 0.1000 M EDTA 2. 50.0 mL 0.0050 M working standard Ca2+ solution from 0.0500 M Ca2+3. 25.0 mL 4.0 M MnSO4 from MnSO4·2H2O crystals
