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- the value of the ratio form the white grape juice to sugar isUse the table below to identify the oil sample being described/ asked. Oil sample % Fatty acid by weight Lauric Palmitic Stearic (12:0) (16:0) (18:0) Canola 4 2 Coconut 47 9 3 Safflower 7 2 Corn 6 2 Which will consume highest amount of 12 to become saturated? A. Safflower Which has the highest melting point? B. Corn C. Canola Which requires the highest amount of hydrogen for complete hydrogenation? D. Coconut ✓ Which will most likely solidify first as temperature is decreased? Oleic (18:14⁹) 62 6 13 44 Linoleic (18:249,12) 22 2 78 48The pH scale shows availability of reactive hydrogen ions (H+) in a liquid. The scale is logarithmic, so milk has 10 times as many H+ ions as pure water, for a given volume. How many more H+ ions does soda pop have compared to pure water? Write the number only.
- Part of the food losses each year are due to the unique characteristics or difficulties associated with working with biological materials, which set them apart from other traditional engineering materials. List four of the difficulties or distinguishing aspects that make biological materials challenging to work with as compared to non-biological materials.A chemist prepares a solution of aluminum sulfite (Al, (SO,).) by measuring out 179. µmol of aluminum sulfite into a 300. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's aluminum sulfite solution. Be sure your answer has the correct number of significant digits. mmol x10You want to prepare a 15 mL gel containing 0.8% (weight /volume) agarose. How much agarosedo you need to weigh to prepare the solution? Show all your calculations.Hint: Write down the units for 0.8% knowing that agarose is a powder that is mixed with aliquid
- Sodium chloride, the table salt (NaCl) is added in cooking to enhance the flavor of the food. When 10.0 g of NaCl are added in 200.0 mL of water at 25.0oC in a coffee-cup calorimeter, 669 J of heat are absorbed. (Assume that there is no change in volume, d=1.00 g/mL, specific heat=4.18 J/g.oC). Evaluate the truthfulness of this statement: "Based on the above description, the solution process (i.e., the dissolution of NaCl or the breakdown of NaCl into its constituent ions) is exothermic." True FalseHow many chloramphenicol capsules, each containing 250 mg, are needed to provide 25 mg/kg/day for 7 days for a person weighing 200 Ib? Nb. Write your solution on a clean paper and box your final answer. x (whole number) = Blank 1 capsules Blank 1 Add your answerThe standard curve provided below will allow you to answer the remaining questions. Generic Standard Curve 0.7 y = 0.9425x- 0.0034 0.6 0.5 0.4 0.3 02 0.1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Concentration (mg/ml) - Please describe two ways in which you could use this standard curve to determine the concentration of a pigment in an unknown sample.| #1: #2: -What is your rough estimation of the concentration if you determine the absorbance of a sample is 0.150? Absorbance
- A solution commonly used to grow plants in hydroponics is the Hoagland solution. A recipe for this solution is listed below. How many grams of NaFeDTPA are needed to prepare 500 ml of the stock solution of this chemical compound? TABLE 5.3 Composition of a modified Hoagland nutrient solution for growing plants (Part 1) Concentration Volume of stock of stock solution Concentration Final solution per liter of final solution Molecular of stock concentration of element Compound weight solution Element g mol mM g L-1 ml pM ppm Macronutrients KNO, Ca(NO),"4H,0 236.16 NH,H,PO, MgSO, 7H,0 1,000 1,000 101.10 101.10 6.0 16,000 224 236.16 4.0 K 6,000 235 1,000 1,000 115.08 115.08 2.0 Ca 4,000 160 246.48 246.49 1.0 P 2,000 62 1,000 32 Mg 1,000 24 Micronutrients KCI 74.55 25 1.864 CI 50 1.77 61.83 H,BO, MnSO, H,O ZnSO, 7H,0 CusO,"5H,0 H,MoO, (85% MoO,) 12.5 0.773 25 0.27 169.01 1.0 0.169 Mn 2.0 0.11 2.0 287.54 1.0 0.288 Zn 2.0 0.13 249.68 0.25 0.062 Cu 0.5 0.03 161.97 0.25 0.040 Mo 0.5 0.05 16.1-…Refer to the table below: Oil Sample Saponification Number [A] 179 [B] 260 [C] 193 [D] 185 ✓ Which oil has the highest melting point? ✓ Which oil has the lowest average molecular weight? Which oil has the highest average molecular weight? ✓ Which oil contains the second lowest amount of unsaturated fatty acids? lodine Number 102 10 111 79 A. Sample B B. Sample D C. Sample C D. Sample AThe average fuel value of fats is 9kcal / g . A 1 oz French fries typically contains 4.5 g of fat. What is the fuel value in kcal) of a medium size French fries from McDonalds ( about 115 g)? Assume that fat is the only fuel source . (1oz = 454g) Use dimensional /unit analysis to solve this problem.