osmotic pressure

Q: What is the free Cu2+ (ag) concentration in a solution made up by mixing 50.0 mL of 0.100M Cu(NO3)2…

A: Step 1:Step 2: Step 3: Step 4:

Q: Calculate the molarity (M) of a 46% (w/v) copper sulfate solution (m.w. = 160.0 g/mol)

A: Molarity is the number of moles of solute per litre of solution.

Q: The normal freezing point of benzene (C6H6) is 5.5 °C. If 30.92 grams of the nonvolatile…

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Q: A beaker with 1.40x102 mL of an acetic acid buffer with a pH of 5.000 is sitting on a benchtop. The…

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Q: What is the molarity of a 30% solution of NaCI

A: Let us first define the percentage solution : 30% NaCl solution= 30% w/v solution = 30g/100 ml.Since…

Q: Consider a suspension of particles (isoelectric point is at pH 6) in water at pH 2 and a NaCl…

A: Higher zeta potential values, either positive or negative, are necessary to ensure stability, and…

Q: You record the absorbance of your unknown BSA sample at 0.276. What is the concentration in ug/mL of…

A: Standard curve can be used to determine the concentration of unknown sample by determining their…

Q: if you had a protein sample solution of unknown concentration which gave an absorbance of 0.992…

A: Answer:- The standard curve gives the absorption value of aliquots having the substance of known…

Q: When 2.43 g of a nonelectrolyte solute is dissolved in water to make 435 mL of solution at 25 °C,…

A: The compounds which will not ionize in any solution are called nonelectrolytes. The electricity will…

Q: The Thermal conductivity of rock salt measured at a temperature of 500 degrees C what value would be…

A: thermal conductivity at 500°C would be about 0.2 W/m°C less than the thermal conductivity at 400°C…

Q: The simple form of |Hoff equation is: Il = [B]RT In this equation the [B] is the molar concentration…

A: Given Values:  The final equation of the Hoff equation is changed to this form which is as follows:…

Q: The pl of alkaline phosphatase is 4.5; the pl of the DEAE cellulose is 10.5. We used a buffer of pH…

A: Ion exchange chromatography is a chromatographic separation techniques based on the charge of the…

Q: The standard enthalpy of formation of ammonia at 25°C is -46.3 kJ/mol. Estimate the N-H bond…

A: Step 1: Step 2: Step 3: Step 4:

Q: The concentration of the conjugate base in 100 mL of 50 mM CH3COOH/CH3COO- (pKa = 4.76) at pH 5.00…

A: Step 1: Calculation of the concentration of the conjugate base (CH3COO⁻) at pH 5.00.The…

Q: You want 235mL of a solution that consists of 10% BSA, 2.37mM KCl and 120µM EDTA.  You have stock…

A: BSA is a globular proteins which is a well studied proteins and used as standard protein molecule in…

Q: Considering the values in the following table, what relationship can be observed between the amount…

A: WATER POTENTIAL - Water potential is the amount of energy needed to move an infinitesimally small…

Q: Creatinine, C4H7N3O, is a by-product of muscle metabolism, and creatinine levels in the body are…

A: Let's calculate the mass of creatinine in a 10.0 mL blood sample. The normal level of creatinine in…

Q: The isoelectric point of eIF4a is 5.02. Students are given a sample of cell lysate containing eIF4A…

A: Ion Exchange Chromatography (IEC) is a chromatography technique whose ability to separate analytes…

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: direction of water flow across the membrane

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Q: Benzene, C6H6 is an aromatic hydrocarbon that exists as a liquid at 298 K and 1 bar. The solubility…

A: As with standard heats of formation, the standard free energy of a substance represents the free…

Q: For Sample 1, the glucose/fructose standard (0.2 mg/mL for each of glucose and fructose): From the…

A: Step 1:Step 2: Step 3: Step 4:

Q: The temperature dependence of the vapor pressure is given by the equation: Inp = In A – RT Where: p=…

A: Thermodynamics is a study that deals with the relationship between work, heat, temperature, and…

Q: A 100.0 mL sample of 0.200 M aqueous hydrochloric acid is added to 100.0 ml of 0.200 M aqueous…

A: Step 1: Given the information:Two solutions are mixed:HCl(aq) + NH3(aq) → NH4Cl(aq)Volume of…

Q: What kind of buffer would you make with a optimal activity at ph 4.30?

A: A buffer is defined as an aqueous solution that has a mixture of a weak acid and its conjugate base…

Q: At what pressure in atm does ethane (C₂H₆) have a density of 37.2 g/L at 75.0 °C?

A: The pressure of the ethane gas can be calculated by the ideal gas equation. PV = nRT Number of moles…

Q: Consider the following equilibrium at 298 K. R = 8.314 J/K-mol Citrate Isocitrate Using the…

A: Gibb's free energy is the energy available to carry out a reaction. A reaction can occur…

Q: Write solubility product constant expression and calculate numerical value (Ksp) of each ionic…

A: AgCl(s) gives Ag+(aq.) + Cl-(aq.) AgCl molecular weight= 143.32 g/mol 5 gm AgCl in 100 ml water…

Q: Calculate the change in molar entropy of the system associated with transforming a supercooled water…

A: The standard molar entropy is considered the entropy content of one mole of pure substance, where…

Q: 2+ What is the Pb when 25.0mL of a 0.100MPbCl₂ (aq) 2 solution is added to 25.0mL of 0.150MCaCl ? K…

A: Write the balanced chemical equation.The reaction between CaCl2 and PbCl2 is a double displacement…

Q: Write the Henderson-Hasselbalch equation for a propanoic acid solution (CH,CH,CO,H, pK, = 4.874).…

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Q: A 2.0% (by mass) aqueous solution of novocainium chloride (C13 H21 CIN2O2) freezes at -0.235 °C. a…

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Q: The osmotic pressure of human blood is 7.6 atm at 37 °C. What mass of glucose, C6H12O6, is required…

A: The formula for calculating osmotic pressure π is π=MRT where π is osmotic pressure M is the…

Q: None

A: Explanation :Step 1: Understanding the ProblemWe need to determine the solubility of zinc hydroxide,…

Q: You have an initial solution in which you added quantities of “A” and “B” such that there is 4.5 M…

A: Since conditions inside the cell are different than standard temperature and pressure, biochemists…

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: sample of KNO3 ( 225 g) is completely dissolved in water (250 g) at 333.15 K. The solution is…

A: Asked: mass of KNO3 (in g) will crystallize out of the solution at 273.15 K

Q: The solubilities of three salts in water are shown in the graph. 1000 Pb(NO,), 900 For each salt,…

A: 500 gm of each salt is mixed with 1 L water at 40 degree Celsius.

Q: What is the chemistry principle behind when (treatment: heavy cream) is subjected to CHILLED…

A: Here the experiment is basically the chilling effect on heavy cream and studing the pattern of its…

Q: The k of water is 1.86 kg °C/mol, approximately 4x the value of k,. If you attempted to freeze your…

A: Freezing point depression is a colligative property and it is noticed in solution when solute…

Q: The following data give the constant dissociation, Ka (for acetic acid at various temperatures):…

A: Step 1: To calculate ΔS° for the ionization of acetic acid at 25 °C, we use the Van't Hoff equation:…

Q: What is the pH of a buffer solution that is 0.20 M proprionic acid (HC3H4O2) and 0.1 M sodium…

A: pH = 4.59Explanation:

Q: A solution of an unknown carbohydrate gave the following optical readings when analyzed by a…

A: A sample mean refers to an average set of data. To calculate the sample mean of a given dataset the…

Q: Calculate the unknown concentration of the PROTEIN C with an absorbance value of A412 given the…

A: Protein concentration can be determined with the help of spectroscopy. Spectrophotometer is an…