1.13 Which of the following is a parameter that cannọt be obtained by a typical DLS experiment? O The hydrodynamic radius O The diffusion coefficient O A polydispersity index O A sedimentation coefficient
Q: Phosphorus pentachloride decomposes according to the chemical equation PCl5(g)↽−−⇀PCl3(g)+Cl2(g)...
A: Phosphorus pentachloride decomposes into phosphorus trichloride and chlorine gas. The equation for t...
Q: 3. A 100 mL sample of hard water is titrated with 22.4 mL of the EDTA solution from problem 2. The s...
A:
Q: CH4(g)+2O2(g)→CO2(g)+2H2O(l)CH4(g)+2O2(g)→CO2(g)+2H2O(l) Use the series of reactions that follow: ...
A: Using Hess's law we have to determine the enthalpy change of the reaction. The enthalpy change of a ...
Q: Consider the reversible reaction N2 + 3H2 = 2NH3 If one adds extra H2 to an equilibrium mixture cont...
A: Le chatelier principle states that equilibrium will shift in such a way that effect caused by these ...
Q: When Na2CO3, NH4Cl, H4SiO4 are mixed in water, what reactions occur, which species exist. and What'...
A: The reaction that takes place. :
Q: Acetic anhydride reacts with water in the following manner: CH3C(O)-O-C(O)CH3 + H2O = 2CH3CO2 If thi...
A: Answer is as follows :
Q: 79. Calculate the number of grams of HI that are at equilibrium with 1.25 mol of H2 and 63.5 g of io...
A:
Q: In the pseudo-first order hydrolysis of an ester, [ester] = 0.060 M at t = 600 s, and 0.018 M att 12...
A: Solution Given that Ester = 0.060M at t = 600s Ester = 0.018M at t...
Q: Induction coupled plasma (ICP) emission spectrometry is widely used for the sensitive multi-element ...
A: Answer is as follows
Q: Select the FALSE statement: O AH°; (CI, g ) < 0. O 20(g) – O2(g) is an exothermic reaction. Bond ene...
A: Answer is given as:
Q: What is the rate constant, k, for a reaction that gives the following initial velocities, vo? (A) (M...
A: For calculation of rate constant first we have to calculate order with respect to each species so fr...
Q: • Normal boiling point of carbon tetrachloride is 76.8 °C a. Calculate the boiling point of a soluti...
A:
Q: Name the following aromatic hydrocarbons.
A:
Q: 3. A 100 mL sample of hard water is titrated with 22.4 mL of the EDTA solution from problem 2. The s...
A: Steps involved are as :
Q: Q5: Answer with true or false 1) Whene removing a Hydrogen from an alkene results in an alkyl substi...
A: 1) True When an alkane is added as a branch to the main chain, a hydrogen atom is removed, it is ca...
Q: How many grams of Zn can produce 33.6 Lof H2 gas at STP?
A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...
Q: 5. Determine the bond enthalpy of the O-0 for the reaction below if AH -2800 kJ/mol %3D H H 2 H-C-C-...
A: "Since you have asked multiple questions, we will solve the first question for you. If you want any ...
Q: Second Question A + B → C +D Experiment (A]o, M [B]o, M Initial Rate, M/min 1 1.0 1.0 0.0010 2 3.0 1...
A: Given that, Recall the reaction, A+B ---> C + D rate = k [A]x [B]y where, x is the order of A w...
Q: Which element is reduced in the following reaction? Cu(s) + H2SO4(aq) •CUSO4(aq) + SO2(g) + 2H2O(1) ...
A: We have find out reduced element
Q: An aqueous solution of calcium hydroxide is standardized by titration with a 0.113 M solution of nit...
A:
Q: A chemist dissolves 13.5 g of NaCl in enough water to make a 2500 mL solution. Calculate the molarit...
A: Given, Mass of NaCl = 13.5 g Note: 1000 mL = 1 L Volume of the solution = 2500 mL = 2.5 L Molarity ...
Q: 565 mL of water was added to 40.0 mL of 0.550 M MgCI, solution. Assume the volumes are additive. Det...
A: • The values provided in the question are:- i) Initial concentration of MgCl2 solution, M1 = 0...
Q: Mass spec: M = 161 (100%), 163 (33%). Which of the following is %3D a possible molecular formula? C9...
A: In this mass spectrometry data, we are given two peaks whose intensity ratio is also given . So we w...
Q: 11-C. Calculate the pH at each point listed for the titration of 100.0 mL of 0.100 M cocaine (Sectio...
A:
Q: The table gives the rate constant for a certain reaction at high temperature. Identify the overall o...
A: In the given problem values of rate constant is given at different temperatures.
Q: I want a mechanism (graduated oxidation) for every gamma and beta terpineol Two other terpineols are...
A: Terpenoids means natural product derived from C5 isoprene unit joined in head to tail fashion.
Q: Example 3: When a 5.00 g sample of commercial sodium bicarbonate (baking soda ) was treated by volat...
A: The percentage of NaHCO3 = 45.7838%
Q: Based on the reaction profile (below) for the reaction 2A + B+ C G, what is the overall rate law for...
A:
Q: 3.5 L reaction vessel containing a mixture of mercury (It) oxide, mercury, and oxygen at equilibrium...
A: Chemical equilibrium is defined as the stage at which rate of forward reaction become equal to rate...
Q: what is the advantage of four-quadrant streaking method
A: what is the advantage of four-quadrant streaking method
Q: Using the systematic method, determine the molar solubility of AgBr(s) in a) water b) 0.15 M NaBr c)...
A: Here we have to determine the solubility of AgBr at different conditions i.e a) in pure water b) 0.1...
Q: he weight (in mg) of an 80.0%(w/) sodium phosphate dihydrate reagent needed to prepare 800.0 mL of t...
A: Total volume of solution = 800 mL Density of solution = 1.00 g/mL Solution contains 5.68 ppm = 5.68 ...
Q: Problem Set #5 III) Acid/Base Reaction - Answer the next few questions about Molecule B, shown below...
A: The solution is as follows:
Q: Same reaction as in Q1. H3PO4 Choose all intermediates that are formed during the reaction. O Carboc...
A: Given reaction is acid catalysed epoxide opeing
Q: During the summer when the temperature is 30.2 degrees Celsius, a car's tires have a pressure of 2.1...
A:
Q: How would you synthesize the following compounds from butanoic acid using reagents from the table? U...
A: The solution is as follows:
Q: 2. Will disaccharides and polysaccharides give a positive result for Molisch's Test?
A: This test is used to check for the presence of carbohydrates in a given analyte. This test is named ...
Q: 2. During a phase change, what properties change? Mass Volume Temperature Heat
A: There are three phases of matter. The phase of matter can be interchanged by changing the temperatur...
Q: Which of the following compounds is the most reactive towards electrophilic aromatic subsitition by ...
A:
Q: dimensional analysis The bromine content of the ocean is about 65 grams of bromine per sea water. Ho...
A:
Q: What is the temperature in °C of 3.37 L of water at 30°C after 766.48 calories of heat have been add...
A: Given that, Volume of water = 3.37 L T1=30°C , T2= ? q= 766.48 calory, Cp= 1 cal g-1°C-1 = heat ca...
Q: A reaction has an activation energy of 15 kJ mol. The temperature of the reaction must be increased ...
A:
Q: net ionic equation
A: In this question we have to explain the molecular equation and net ionic equation of CaCO3 (limeston...
Q: a) electrophilic aromatic addition reaction C) nucleophilic aromatic addition reaction nucleophilic ...
A: The question asks about the category under which the nitration reaction of benzene with HNO3 and H2S...
Q: At a particular temperature, K = 4.2x10^-7 for the following balanced reaction: 2CO2(g) → 2CO(g) ...
A: First of all we are going to calculate its molarity by dividing moles to its volume then create ICE...
Q: Determine the charge (in C) involved in plating out 1 mole of Fe from a solution of Fe203. O 385940 ...
A:
Q: Calculate the pH of the following strong acid solution: 1.52 g of HNO, dissolved in 575 mL of soluti...
A: Given: Mass of HNO3 = 1.52 gm Volume of solution = 575 ml Molar mass of HNO3 = 63 g/mol
Q: In Question 3 what is the value of AH in kJ for each of the three given reactions as well as the ove...
A: Enthalpy change of the reaction is mathematically expressed as ∆H=∆HP-∆HR ∆H = enthalpy change of th...
Q: A system undergoes a transformation for which ASsys 0. The transformation can never be spontaneous....
A: ∆G=∆H-T∆SFor a process to be spontaneous, ΔG<0 ΔGsys<0 ΔHsys-TΔSsys<0 ΔHsys<TΔSsys So th...
Q: 3. Suppose you had prepared Beaker D, where the initial concentration of (SCN] = 0.0013 M and [Fe"] ...
A: Answer is below
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 7. The sedimentation and diffusion coefficients for myoglobin in dilute aqueous solution at 20°C are 2.04 x 10-13 s and 1.13 x 10-10 m²s¹, respectively. The partial specific volume of the protein is 0.741 cm3g-1, the density of the solution is 1.00 x 10-3 gcm³ and the coefficient of viscosity of the solution is 1.00 × 103 kgm 1s¹. Calculate (a) the relative molecular mass and (b) the frictional ratio of this protein. What is the probable shape of a dissolved myoglobin molecule? U nCalculate the vapor pressure of propanol (b.p. 97.0 ∘C97.0 ∘C) at the gas chromatography column temperature of 95.0 ∘C95.0 ∘C using the form of the Clausius–Clapeyron equation shown ln(?1?2)=−(Δ?vap?)(1?1−1?2)ln(P1P2)=−(ΔHvapR)(1T1−1T2) where ?R is the ideal gas constant, Δ?vapΔHvap is the enthalpy of vaporization, ?1T1 and ?2T2 are two different temperatures, and ?1P1 and ?2P2 are the vapor pressures at the respective temperatures. The enthalpy of vaporization can be estimated using Trouton's rule, Δ?∘vap=(88 J·mol−1⋅K−1)×?bp.ΔHvap∘=(88 J·mol−1⋅K−1)×Tbp. ?=P= TorrTorr Calculate the vapor pressure of pentane (b.p. 36.0 ∘C36.0 ∘C) at the same column temperature. ?=P= TorrTorr For compounds of the same chemical class, what is the relationship between vapor pressure of a compound and retention in gas chromatography? As the vapor pressure decreases, retention time decreases. As the vapor pressure increases, retention time increases. As…1. Assume that the hydrocarbonlike interior cavity of the SDS micelle has a diameter of - 3 nm and that it contains three solubilized benzene molecules. Calculate the "local" concentration of benzene in the micelle 2. Assuming that at 298 K the CMC for a cerrain surfactant is 6 X 10-3 M and that its mean aggregation number is 70, estimate the concentration of micelles if the bulk sur factant concentration is 0.08 M. 3. A quantity (390 mg) of n-hexane is solubilized in 100 mL of the surfactant solution in question 2. Assuming that all the solubilized n-hexane molecules are in the micelles, what is the mean occupation number of 71-hexane in the micelles? 4. For the system in question 2, estimate tlGo for micellization if the molecular weight of the surfactant is 326 g mol-I . If the enthalpy of micellization is 8 kJ mol- I, find the en tropy change when 1 mol of micelles forms from 70;:mhnomers. I ONLY NEED THE SOLUTION FOR QUESTION 4. thank you!
- units of slope: m = M-! Report the y-intercept, b, of the plot and its units. units of y-intercept: b = * TOOLS unitless y x10 Use the plot to determine the molar absorptivity, e, of molecule X at this wavelength and its units. units of molar absorptivity: € =Caffeine Benzoic acid y = 66.391x R2E0.9995 y= 23.633x R? =0:9999 0.5 Injection Volume Injection Volume Aspartame Saccrine y = 6.2204x.. R2 =0.9997 y = 21.43x R² = 0.9891 2.5 0.5 2.5 Injection Volume Injection Volume (Abs) Peak height (Abs) Peak height 2. (Abs) Peak height (Abs) Peak heightA certain saturated salution of Cas(POrlz has [Cat]= PO48 ] = 2.9 X 107 What is the value of Kps for Caz (PO4)z? %3D
- The sedimentation coefficient for a protein in solution is determined to be 4.3 S, and the diffusion coefficient to be 5.5x10-11 m2s-1 (vb = 0.74 mLg-1; density = 1.0 gmL-1; and viscosity = 1.0x10-3 Pas-1). Use this information to calculate the molar mass (kgmol-1) of the protein. Assume temperature of 298 K.40. Which of the following affects the sedimentation of a particle in gradient ultracentrifugation? Group of answer choices the affinity of the particle for the gradient solution the viscosity of the particle solution the total mass of the gradient and tube the density of the gradient solution the number of hydrophobic residuesChemistry Question
- The homogeneity of the chloride level in a water sample from a lake was tested by analyzing por- tions drawn from the top and from near the bottom of the lake, with the following results in ppm CI: Top 26.30 Bottom 26.22 26.43 26.32 26.28 26.20 26.19 26.11 26.49 26.42 (a) Apply the i test at the 95% confidence level to determine if the means are different. (b) Now use the paired / test and determine whether there is a significant difference between the top and bottom values at the 95% confidence level. (c) Why is a different conclusion drawn from using the paired i test than from just pooling the data and using the normal i test for differences in means?Osmotic pressure of the gold sol withconcentration of 4 g/l at 293 K is 8 Pa.Calculate the particles diffusion coefficient if gold density is 19.3 g/cm3, medium viscosity 10-3 Pa•s.Substances A and B with capacity factors 6.3 and 11.4, respectively, are being carried by a mobile phaseflowing at a velocity of 0.53 mm/s. What is the length of a column required to separate these two substanceswith a resolution of 1? Assume that the sample zones for both A and B broaden based on the van Deemter equation H = 0.35 + 0.48/u+ 0.57u where Hand u are expressed in µm and mm/s, respectively.
