Draw the Micelle generated when the soap is dissolved in water and the heater. For this representation you do not need to include individual water or hexane molecules but do need to represent the surfactant molecules=individual surfactant molecules.
Q: You are asked to prepare 20 mL of a 50 mg/mL drug dilution from a stog of 2 g/5 mL. How many…
A: Here, We need to calculate the milliliter of dilutant needed, for that purpose stock solution…
Q: Give the color of the bread mixed with Lugol's iodine solution in these situations before exposure…
A: Lugols iodine test is used as confirmation test for starch. Polyiodide ions react with hellicle…
Q: to dilute a sample by 1/3. For a final volume of 27 ml, how much sample would you add to how much…
A: The concentration of the solution fluctuates as it is diluted, but the number of moles of reactant…
Q: You were instructed to add 0.2 ml of kombucha to 9.8 ml of fresh tea, but instead added 2.0 ml of…
A: Dilution is defined as the ratio of stock volume to the final volume. Here, final volume is the sum…
Q: Give the color of the kamoteng kahoy mixed with Lugol's iodine solution in these situations before…
A: Lugol's iodine contains potassium iodide and iodine in water. It is used for various purposes such…
Q: Give the color of the water mixed with Lugol's iodine solution in these situations before exposure…
A: LUGOL'S is an aqueous solution containing Iodine 5%, and potassium iodide 10% w/v solution. Lugol's…
Q: The following Rf values were computed from a reverse phase chromatography experiment. Arran them…
A: There are different techniques to separate a compound from a mixture of substances. The different…
Q: Explain how the following will affect blood film or smear a. Humidity b. Temperature c. Speed d.…
A: White blood cells (WBCs, leucocytes), red blood cells (RBCs, erythrocytes), and platelets can all be…
Q: O The job of splitter in GC is taking part of the sample. O Column in GC should be placed in a…
A: Introduction Splitter as the name suggests splits the sample. It controls the amount of sample that…
Q: The table below summarizes the results for the solubility test. Which solvent the lipid samples are…
A: The solubility of a substance in a solvent depends on the nature of the solute and the solvent.
Q: When a thermometer is placed in a substance, what is it actually measuring? density heat pressure…
A: Different instruments are used to measure volume, density, heat, pressure, and temperature, etc.…
Q: How much 10% dextrose solution and 20% dextrose solution should be mixed to prepare 1 l 12.5%…
A: Dextrose is an intravenous solution made up of a mixture of water and dextrose and used in low blood…
Q: Below is a BSA standard curve and the duplicate values of absorbance for 3 samples. Calculate the…
A: Lambert Beer law states that Absorbance of a solution is directly proportional to its concentration…
Q: Which of the following reagents can be used in the reaction in the photo? A.) pyridinium…
A: The oxidation of secondary alcohol to ketones is an important oxidation reaction in organic…
Q: Give the color of the rice mixed with Lugol's iodine solution in these situations before exposure…
A: Iodine solution also known as Lugol’s iodine or aqueous iodine solution.Iodine solutioni is amiof…
Q: Aisha wants to dissolve some salt in 25 cm³ of water. Which equipment is most suitable for measuring…
A: Different measuring equipment is used in the laboratory to measure liquids. Identifying the proper…
Q: MATERIALS: Potato Thermometer Test Tubes Bunsen burner and tripod set up Distilled water 0.1%…
A: Polyphenoloxidase ia a copper containing enzyme which catalyses the oxidation of di or tri hydroxy…
Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 19.μmol of barium…
A: Concentration of solution refers to the abundance of solute particles in the solution. It can be…
Q: Below are the results for your unknown organism. S LM fluid 6 -L-M -s -LM fluid Please record your…
A: Phenol Red It is recommended that the carbohydrate fermentation reaction be determined to isolate…
Q: Heliox is a helium‑oxygen mixture that may be used in scuba tanks for divers working at great…
A: Boyles law states that at a constant temperature, the pressure of a gas is inversely proportional to…
Q: Which of the following is not a deprotonated substance: a) KOH b) LiOH c) HA d) B
A: Protonation is the addition of proton and deprotonation means the removal of the proton.
Q: Take a look at this graph. The reactant curve is plotted in red, while the product curve is plotted…
A: Quantitative estimation of a substance is a process of determining the amount of substance present…
Q: 900 mL saturated solution (potassium sulphate) was made at 30 degrees celsius. If the solution is…
A: Solubility of a substance changes with temperature.
Q: Which type of micelle does soap form when we are washing grease in our hands or cloth: Oil Water…
A: Micelle is a structural arrangement of the amphipathic molecules associated together to form a…
Q: the relative density
A:
Q: You will be making LB media in today's lab. Given the recipe for 1L of LB media on pg. 63 of this…
A: Cultural Media: It is a media used in vitro for the growth of microbes, plants, and used in tissue…
Q: A 5.2 kg cat needs 5 ug/kg of dexmedetomidine for sedation. How many ugs does the cat need? show…
A: Dexmedetomidine – Used as a sedative. It is used in veterinary medicine for clinical assessment and…
Q: To achieve a hundred fold dilution you would add _____ microliters of sample to the appropriate…
A: The dilution method is used to achieve the desired concentration of the sample in a tube or a…
Q: Would a sample solution that has a high absorbance reading, have a low or a high concentration
A: Absorbance is a number that measures the diminishing of the transmitted radiant power in a solution.…
Q: Using the following absorbance data set, would you c Salt concentration Organism A Organism B 1%…
A: YES.
Q: From your data in Table 8.2 choose the correct pH for household chemical listed here. pH 6 purple pH…
A: The pH is considered as the scale, which is used to specify the basicity as well as the acidity of…
Q: A student performed the fractional distillation of a cyclohexane/toluene mixture. The refractive…
A: Here, it's given; Refractive index of distillate = 1.4301 Temperature = 22 degree celsius Mole% of…
Q: U, was used. Write the ionization euation for thin
A: weak acid is an acid that partially dissociates into its ions in an aqueous solution or water. In…
Q: Below is a BSA standard curve and the duplicate values of absorbance for 3 samples. Calculate the…
A: Standard curve is made with known concentrations of Bovine serum albumin (BSA) to find the unknown…
Q: Figure 1 show the shape of the peaks in gas chromatography that causes loss of column efficiency.…
A: Gas chromatography is a novel analytical technique used in analytical chemistry to separate the…
Q: Label three sets of eight microfuge tubes (1-8) and add the volumes of BSA stock solution (2 mg/ml)…
A: BSA is Bovine Serum Albumin and it is a serum albumin protein which is obtained from cows and often…
Q: Explain the color changes observed throughout the peroxide value of oil experiment. Materials: 1.…
A: The unsaturated fat when undergoing oxidation forms peroxide so the peroxide value denotes the…
Q: Sodas typically contain sugar, flavorings, coloring agents, and carbon dioxide dissolved in water.…
A: The aqueous solution is a mixture of solution which contain water as solvent and solute can be gas,…
Q: In which type of chromatography lipids are carried up a silica gel coated pate by a rising solvent…
A: Answer: Introduction: Chromatography is separation analytical procedure used in separating a mixture…
Q: Write shortly about the instrumentation of ATR spectroscopy.
A: The tool of spectroscopy is used to study the structures of atoms and molecules. The large number of…
Q: 3. (1 point) Show the answer to the following question in correct significant figures. 10.219 +3.12…
A: 4 ) iii) FALSE One millilitre is equal to 1000 microlitres but not 1000000 microlitres v)FALSE…
Q: a) proportional to the charges on the two interacting atoms. b) proportional to the dielectric…
A: Electrostatic interactions are found to be a strong factor that determines the conformation of…
Q: A, high specific heat B. adhesion C. polarity D. high heat of vaporization Lu budrogenating…
A: Ans 5: - Water is a good solvent because of it's Polarity. The relatively small size of a water…
Q: Give the color of the potato mixed with Lugol's iodine solution in these situations before exposure…
A: Lugol's iodine solution is a biological stain, chemical reagent, and used as a starch indicator.…
Q: You want to use a serial dilution to make a 1/50 dilution. The first dilution you make is a 1/5…
A: Introduction Dilution is a process by which the concentrations of solute are lowered down in a…
Q: Which of the ff. is carried out when sample has a low absorbance? Use a cuvette with shorter width.…
A: There are various methods for quantitative estimations of solutions. The colorimeter and…
Q: Give the color of the corn mixed with Lugol's iodine solution in these situations: before…
A: Lugol's iodine contains potassium iodide and iodine in water. It is used for various purposes such…
Q: Give the color of the cooked rice mixed with Lugol's iodine solution in these situations before…
A: Lugol's iodine test is a specific test for the detection of polysaccharides from…
Q: Z( Electrode V (buffer) X (gel) Y. W Electrote
A: In electrophoresis, The DNA which is negatively charged, it moves from negative potential to…
Draw the Micelle generated when the soap is dissolved in water and the heater. For this representation you do not need to include individual water or hexane molecules but do need to represent the surfactant molecules=individual surfactant molecules.
Step by step
Solved in 3 steps with 2 images
- Give the color of the water mixed with Lugol's iodine solution in these situations before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:The answer is 0.05% sodium bicarbonate, 0.05% dextrose Please show your workGive the color of the kamoteng kahoy mixed with Lugol's iodine solution in these situations before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:
- You record the absorbance of your unknown BSA sample at 0.276. What is the concentration in ug/mL of the unknown assuming you have a standard curve with the line of best fit with y=0.0001x+0.0038 as its equationYou are asked to prepare 20 mL of a 50 mg/mL drug dilution from a stog of 2 g/5 mL. How many milliliter of diluent will be needed? Show work Answer: 17.5 mL diluentYour spectrophotometer maxes out at an absorbance reading of 2. If you get a reading of 2, what could you do to your sample to get an accurate reading.
- i) Write down the equation derived from your Excel generated standard curve , figure legend and describe its components; ii) provide the values of the absorbance data of the unknown sample (do NOT show the absorbance data of the glycine standards). Show all details of the working out of your calculation. Indicate all units! Provide the answer with two decimals precisionHow many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial reads 6 milligrams of methadone per 1 mL of solution.A volumetric flask made of Pyrex glass is calibrated at 20 °C.It is filled to the 100 mL mark with 35 °C acetone. After the flask is filled the acetone cools and the flask warms so that the combination of acetone and flask reaches a uniform temperature of 32 °C. The combination is then cooled to 20 °C. a) What is the volume of the acetone when it is at 20 °C? b)At the temperature of 32 °C, does the level of acetone lie above or below the 100 mL mark?
- i) Write down the equation derived from your Excel generated standard curve and describe its components; ii) provide the values of the absorbance data of the unknown sample (do NOT show the absorbance data of the glycine standards). Show all details of the working out of your calculation. Indicate all units! Provide the answer with two decimals precision iii) state the answer in a full sentence. (note: avoid mathematical symbols [=, +, -, etc] in your answer sentence).Give the functions of the following ingredients, then name a branded/commercial skin or hair care product where the said material is used. Ozokerite Wax Sodium Ascorbate Lactic Acid 90% Titanium DioxideYour supervisor asks to make 350 mL of a 0.75% (w/v) starch solution using a 5% (w/v) stock solution. You have calcuated how much stock solution you need. But, how much water (in mL) will you need to add to the stock to achieve the correct final concentration?