Q: Calculate the boiling point of a solution containing 12g glucose C6H12O6 dissolved in 200g of water…
A: Introduction Using the formula,ΔTb=Kb× molalitywhere ∆Tb is the elevation in boiling point; Kb is…
Q: How much of the enzyme proteinase k (solute) is required to make 250ml of a solution with a…
A: A protease (also called a peptidase or proteinase) is an enzyme that catalyzes proteolysis.…
Q: prepare 250ml of 0.10 m NaOH from solid NaOH and water
A: Molarity: The moles of a solute per litre of a solution is called as molarity (M).
Q: volumetric flask is made to prepare a certain chemical concentration through dilution for example if…
A: Asked : There is no volumetric flasks prepare 0.2N of acetic acid from 1 N acetic acid stock…
Q: In a neutral solution, the [H] is : O 1.0x10-14M zero 1.0×107M 1.0x10-7M
A: The acidity of any solution is determined by the molarity of the Hydrogen ions. So, the pH of any…
Q: Figure below shows the solid fat content (SFC) curve for cocoa butter versus temperature. How will…
A: Fats are one of macronutrients present in our body which is storehouse of energy and also it keeps…
Q: A 7 D
A: A titration curve means it has a molecule that is titrated either with an acid or base. Acid and…
Q: Solution Initial Mass (g) Final Mass (g) Change in Mass (g) % Sucrose Red 1.88 1.79 -0.09…
A: The process by which water moves from a region of high concentration to a region of low…
Q: How much solute do you need to make 250 ml of a 3M stock of glucose?
A: The Molarity of a solution is the number of moles of a solute dissolved in a liter of solution. That…
Q: Calculate pNF concentration in each cuvette using Beer-Lambert’s Law. ε = 18,000 M-1 cm-1; b =…
A: Spectroscopy is the interaction between electromagnetic radiation and matter. If transmittance T…
Q: Directions: Complete the table below for aqueous solution of C6 H1206 (glucose) Mass Solute Moles…
A: A solution is a mixture of one or more than one solute mixed in a solvent. The molarity of the…
Q: If you were presented with 2 L of a 2 M sucrose stock solution, how many grams of sugar would be in…
A: Molarity: The moles of a solute per liter of a solution is called as molarity (M).
Q: Give and explain the principles of the following tests for lipids: Spot Test Acrolein Test Test for…
A: Your question has multiple subparts. I will answer 1st three of the subparts, as per the guidelines.…
Q: Using 25 µL of a patient's serum, how much diluent would be needed to create a 1:2 dilution? ul
A: Firstly, we convert the 25ul into ml . i.e. 25 ul = 0.03 ml Then, there will be the multiplication…
Q: Compute for the lactic acid content of these samples given the values below. Show your solution…
A: The amount of substance present in the mixture of substances can be defined in terms of…
Q: Beef extract Peptone Sodium chloride Agar Distilled water 3.0 g 5.0 g 8.0 g 15.0 g 1000 mL
A: Nutrient agar is the most common general-purpose medium, thats supports the growth of the wide range…
Q: You have 200 mL of a 1.5 M glucose solution. How many moles of glucose are there?
A: Introduction: Glucose is a monosaccharide and a major source of energy for the living body. The…
Q: Plain soaps have what level of germicidal activity?
A: This question is based on action of the plain soap.
Q: Four known amino acids (AA) produce a chromatograph with Rf values as follows: AA1 =0.25, AA2 =0.66,…
A: According to the question, we need to identify the three amino acids that were present in the given…
Q: You receive an order for 750 mL of 27% dextrose solution. You have available D50W, 1000 mL. How many…
A: Given, D50W means 50% dextrose solution, 100 ml 750 ml of 27% dextrose is desired Sterile water
Q: Now calculate the slope and equation for the best fit line. You may use excel
A:
Q: Given the following graph, what are the pKa's of the polyprotic species? Analytical Concentrations…
A: In contrast to monoprotic acids, which can only provide one proton per molecule, polyprotic acids…
Q: If the equation produces from data is y = 0.300x - 0.857 and the absorbance for the unknown is…
A: Note: Since you have posted multiple independent questions in the same request, we will solve the…
Q: What volumes of 50 mM CH3COOH and 30 mM NaCH3COO solutions are needed to prepare 2L of 20 mM acetate…
A: Given Values: The pH of acetate buffer = 3.6 Concentration and volume of acetate buffer = 20 mM and…
Q: 12 grams of glucose will make how many mL of a 0.5 g/mL solution?
A: Given Values: Weight of glucose = 12 g Concentration = 0.5 gml How much volume of water needs to…
Q: Make 100 ml of a 1% solution of boric acid isotonic with blood by adding NaCl. The freezing point of…
A: A drug, often known as a medicine, is a chemical compound that has a biological effect on the human…
Q: Consider a mixture of two proteins with molecular weights of 20,000 and 200,000. For simplicity of…
A: Sedimentation Coefficient is the rate per unit centrifugal field experienced by the particle…
Q: A 2.5mg/ml solution of ampicillin is available for use, what volume would you add to 200ml of LB…
A: Ampicillin is a broad spectrum semi-synthetic derivative of penicillin. It is active against both…
Q: A student while performing the casein precipitation using isoelectric pH, observed maximum…
A: Casein is the main protein present in milk. It is a phosphoprotein, phosphate groups are attached to…
Q: Use the information in the figure, below. Include units in your answer. Round numbers to 3 decimal…
A: BSA standard curve: Bovine Serum Albumin(BSA) is a Globular protein that is being used as a standard…
Q: which ane of the following reagents cannot be used for determination of lipid concentrations?…
A: Lipid is a molecule which is a part of cell and cell membrane. It gets dissolved only in nonpolar…
Q: Put these concentrations in decreasing order of magnitude (that is the largest concentration first…
A: Given Values: Acrylamide stock conc. = 30% SDS stock = 10% Final concentration in the gel = 12%…
Q: Table of BSA solution absorbance of concentration at 595nm. BSA Concentration (µg/ml) OD595nm Mean +…
A: Protein concentration is measured or determined using the reference standard curve. Proteins are…
Q: Starch undergoes decomposition under high concentration of Select one: a. base b. acid c. iodine…
A: Starch is a form of complex carbohydrate made up of two polymers, namely amylose (linear) and…
Q: Calculate the pH of a solution containing 0.0314 M malic acid and 0.020 M potassium hydrogen malate.…
A: Given Values: Ka1 = 3.48×10-4 Ka2 = 8×10-6 Conc. of malic acid = 0.0314 M Conc. of potassium…
Q: Estimate the pH of a solution prepared by dissolving 1.0 × 10-10 mole of a strong acid in a liter of…
A: Analyze: We are asked to determine the pH of a solution prepared with a strong electrolytes that…
Q: Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a…
A: A cis arrangement implies that when there is a double bond, the neighboring carbon atoms are on the…
Q: Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a…
A: Oleic acid is an 18 carbon long mono-unsaturated fatty acid which bears double bond at carbon number…
Q: Explain briefly effects and importance of following phenomena on bioreactor design. oxygen demand…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: How would you classify a patient with the following laboratory values? Cr 0.9 mg/dl, BUN 51 mg/dl.,…
A: In azotemia, BUN, creatinine in blood and other secondary waste products are increased in body.…
Q: Table of BSA solution absorbance of concentration at 595nm. BSA Concentration (ug/ml) OD595nm Group…
A: It's the table based on BSA solution absorbance of concentration of 595nm There's taken OD at 595…
Q: Please select the answer that would complete the following statement corretly. The charge of acetic…
A: The charge on the acetic acid (CH₃COOH) is due to the carboxylic acid functional group. It is a weak…
Q: How would I calculate the amount of each component in each solution? Stock solutions provided:…
A: In-order to perform dilution, we take a specific volume from stock solution and transfer it to…
Q: A 1.143 g sample contains only vitamin C (C,H,O,) and sucralose (C,H19CI,O,). When the sample is…
A: Mass percent is defined as the number of molecules or substances that are dissolved in the solution.…
Q: Using the Friedewald equation, compute for the LDL-chol. of the patient.Use the mmol/L, so, if you…
A: 3 types of cholesterol makes up the Total Cholesterol (TC) content in our body. These are High…
Q: how would you prepare 600 mL of a 20% strach solution beginning with a 50% stock starch solution?…
A: For calculation of stock solution, the formula used is M1V1 = M2V2 Where the M and V refer to the…
Q: Using pearson's square, how to attain 30o Brix syrup using 50oBrix and 20o Brix syrup solutions?…
A: For using persons square we need to make a square first then on the left side of the square we write…
Q: An aqueous antifreeze solution is 45.0% ethylene glycol () by mass. The density of the solution is…
A: Hello, thank you for your question. This question is a chemistry question but we are providing you…
Q: How many ml of a 40% solution can be prepared from 42.8 mg of sucrose? How many ml of a 40% solution…
A: Given: Percent of solution = 40% Amount of sucrose= 42.8 mg
Calculate the boiling points of a 8.50 m aqueous solution of fructose. Boiling point constants can be found in the list of constant.
Tb= In Celsius
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- The-carotene molecule has λmax 450 nm and ɛ = 15.000 m2 / mol. Calculate the expected absorbance value for a solution in which 0.1 mg is dissolved in 10 mL of water. ( β-carotene, C40H56, 536 g/mol path length 1 cm)Table of caffeine standards concentration Sample Conc, ppm Std1 16 Std2 32 Std3 48 Std4 64 Std5 80 If the volume used to make 100 mL of std 1 is 2 uL what is the concentration in M used to make a standard calibration curve? The standards are going to be used to build calibration curve to analyze caffeine in an energy drink. If 500 mL of the energy drink has target of 400 mg caffeine, how will you prepare the sample if you need 10 mL for the analysis ? . Caffeine MM=194.19 g/mol.3. Astelin nasal spray contains 0.1% azelastine hydrochloride and 400 µg/mL of benzalkonium chloride as a preservative. A container is capable of delivering 200 metered sprays of 0.137 mL each. The percent concentration of benzalkonium chloride in the preparation is ________ %, and this is equivalent to a ratio strength of 1:2500 w/v. True or False?
- Regarding the reasoning for the Michaelis-Menten equation to be unsuitable for accurate analysis of experimental data, select all that apply: It is nonlinear It is only valid for reactions at equilibrium It is not valid under experimental conditions Extrapolation to Vm is inaccurate and therefore Km also cannot be accurately describedFor ferrocene (C10H10Fe) the enthalpy of sublimation is 73.2 kJ/mol and the entropy of sublimation is 243 J/mol.K. What is the sublimation temperature of ferrocene in degrees Celsius?80mL of a 0.3M solution of hexapeptide Leu-His-Cys-Glu-Asn-Arg is adjusted to pH=pI. The solution is then titrated with 0.2M HCL to a final pH of 2.1. Sketch the titration curve, labelling the pH and volume axes. Indicate the volume of HCL needed to reach relevant pKa value and equivalence point(s)z Relevant pKa values are: 2.1, 4.3, 6.0, 8.3, 9.8, and 12.5.
- The Thermal conductivity of rock salt measured at a temperature of 500 degrees C what value would be the closest ?A stock solution of drug Y is available at 10%w/v. You need to dilute this with Syrup, BP in order to supply a patient with a solution containing 5mg/mL of drug Y. Assuming no volume displacement effects, what is your formula for the preparation of 100 mL of the final solution?The equation of the double reciprocal plot is y = 0.5294 x + 1.4960. What is the value of vmax (in M/s)? The substrate concentration is given in units of molarity (M) and reaction velocity has units of molarity per second (M/s). (Report to three significant figures)
- Determine the fluoride ion concentration for a saturated solution of magnesium fluoride. K sp = 7.4 x 10-11Calculation at the initial point of a complexation titration: What is the pSr value of a 50.00 mL solution of 0.01000 M Sr2+ (formation constant, Kf = 5.348 x 108) after the addition of 0.00 mL of 0.02000 M EDTA which was buffered to pH 11.00? Round your final answer to two decimal places to the right of the decimal point.What volume of 0.10NH2 SO3 will be required to neutralize a solution containing 10.0grams of Ca(OH)2?a) 0.27Lb) 27Lc) 2.7Ld) 270L What volume of 1.5N NaOH is needed to react with 25ml 4.0N HCl?a) 66.67mlb) 6.67mlc) 50mld) 70ml