Dextrose 5% in water solution is an example of hypertonic solution.  True False?

Q: You are growing yeast cells in your lab. The Yeast Growth Medium contains 56 mM glucose (Mol. Weight…

A: Yeast growth medium, also referred to as yeast culture medium or yeast nutrient medium, is a…

Q: In which solvents or solutions will a lipid be soluble? Check all that apply. CH3CH2CH₂OCH2CH2CH3…

A: Lipids are nonpolar in nature. We know polar substances dissolves polar and nonpolar dissolves…

Q: -8 Given that the concentration of the hydroxy anion is 10 °M, what is the pH of the resulting…

A: The pH of the solution is a measure of hydrogen ion concentration. The pH of water is neutral…

Q: McConkey Agar has been requested by a hospital that is investigating cases of suspected Salmonella…

A: Mcconkey agar is a media for gram negative bacteria.

Q: 2nd Question: For the above conditions, what is the corresponding dosage of chlorine and…

A: As a public health engineer, the task of designing an effective disinfection system for controlling…

Q: For each solute, click the button under the better solvent. solute Which is the better solvent? :0:…

A: FIRST SOLUTE: For the first solute, the compound is dominated by highly electronegative atoms (N and…

Q: 10 If 3 ml of culture is diluted by adding 9 ml of water and the absorbancy reading of the diluted…

A: Sol: Given                   Volume of the culture used = 3 ml                             Volume of…

Q: e tubes containing sucrose, how would you classify the situation in terms of solvent movement ? (…

A: Tubes containing sucrose When the tubes present in higher concentration of the solute (high sucrose)…

Q: ow many grams of a 1:3 mixture of glucose/glycerine would be required to make 2000mL of water…

A: Glucose is an essential component of the body and is known as blood sugar. Glycerin is used as a…

Q: can water be used as a biological buffer?  why?

A: A buffer is a solution that resists the change in the pH. Usually buffers are made up weak acids and…

Q: 2. Absorbance Data Table Absorbance Concentration O mg/dL = blank %3D 0.09 D.17 0.28 25 mg/dL 50…

A: Spectrophotometry is a technique for determining how much light a chemical substance absorbs by…

Q: 3. Use the % change class average for the unknown Circle the spot on the best fit line that shows…

A: B ) The sucrose concentration of unknown = ( 12.8-10)/10 × 100=  28 %

Q: Cholesterol Dissolves in the polar solvent O False O True

A: Introduction: Lipids are organic substances moderately insoluble in water, soluble in organic…

Q: Plain soaps have what level of germicidal activity?

A: This question is based on action of the plain soap.

Q: The phospholipid bilayer is very solid. True False

A: Introduction  Phospholipids are a class of lipids that make up the basic structure of cell…

Q: Where is there more solute in this image (inside the bag or outside the bag in the beaker)? 0.8M 0…

A: the molarity is defined as the number of moles of a solute dissolved in 1000 ml of the solution .…

Q: Part I. For each of the following four questions: calculate and describe how the requested solution…

A: Calculations are important to estimate the amount of solute or solution needed to make a solution of…

Q: Put these aqueous solutions in order of decreasing freezing point 0.1 m NaCl 0.1 m MgCl2 0.1 m…

A: For NaCl, i=2 as two ions Na+ and Cl- will be generated in aqueous solution  MgCl2 i=3 as three ions…

Q: How do I prepare a 1 M ammonium acetate buffer with a pH of 7. I have solid ammonium acetate, .1 M…

A: Ammonium acetate buffer: Ammonium acetate buffer can be prepared from the reaction of ammonia with…

Q: Which of the following indicates buffering in the titration given in the image below? 12 1000000 11…

A: A buffer is a aqueous solution which is used to resist the pH change upon addition of acid or base.…

Q: Specify whether each condition would result in increasing or decreasing acidity by dragging each…

A: I. CONCEPTS:   A. According to Arrhenius definition of an acid, it is a species that increases the…