CS sherwood's dimensionless number to mass transfer calculations is Follows sh = F. I C.D use in Scanned with CamScanner defined as Were F is the mass transfer coefficient, I is length (m), c molar concentration (kgmol/m³) and D is the diffusion coefficient (m²/s). what is the proper unit proper unit of F in the sl system
Q: Which of the following correctly describe the shape of the molecule or ion?
A: we have to determine the molecule/ion with correct shape
Q: following reaction? о Select one: A. I B. || I ОН II ОН ОН IV он по това исто ОН "ОН ОН C. IV…
A: KMnO4 is a strong oxidizing agent. It oxidizes alkene.
Q: 3Cu (s) + 8HNO3 (aq) → 3Cu(NO3)2 (aq) + 2NO (g) + 4H2O (l) If we start with 0.500 mol of copper…
A:
Q: A compound has 40.68% carbon, 5.12% hydrogen, and 54.20% oxygen (by mass). Calculate its empirical…
A: Empirical formula is the smallest whole number ratio of elements present in the compound. To find…
Q: Which of the following ions has the smallest radius? Be2+ F 02-
A: Radius of an ion is the distance between the nucleus of the ion and the outermost shell of the ion.…
Q: Listen Which one of the following species has the same electron configuration as an atom of argon?…
A: First we need to find the no of electron in each of the ion given by adding or substracting with the…
Q: Does a reaction occur when aqueous solutions of chromium(II) chloride and ammonium sulfide are…
A: 1) When aqueous solutions of chromium(II) chloride and ammonium sulfide are combined, a reaction…
Q: Which among the following reactions will occur at the cathode of an electrochemical cell? Cr ⟶ Cr3+…
A:
Q: 11. The rate of effusion of an unknown gas is 1.78 times the rate of effusion of SO₂. What is a…
A:
Q: Question 49 Which of the following groups of elements contains a metal, a metalloid and a noble gas?…
A: Metalloids usually have a metallic appearance. However, these substances frequently act in a…
Q: 13) Partial dehydrogenation of a fat A) produces fatty acid salts. C) increases the melting point.…
A: Hydrogenation: The addition of hydrogens to a chemical compound is called hydrogenation.…
Q: Preparation of sodium standard solutions with concentrations of 10, 20, 40, 60, 80, 100 (ppm) in a…
A: The reference solution is 100 ppm of sodium standard solution. Now, 1 ppm (parts per million) = 1…
Q: QUESTION 10 The electron configuration of Co (element 27) and the number of unpaired electrons are…
A:
Q: A container whose volume is V contains an equilibrium mixture that consits of 2mol each of PCl5,…
A:
Q: The following is a double replacement reaction. 2C 2H 2 + 50 2 → 4CO 2 + 2H 20 True False
A:
Q: What does surfactant mean (be detailed)
A: A surfactant is a type of compound that has the ability to lower the surface tension of a liquid or…
Q: voltaic cell was constructed based on the two reactions shown below: Reduction half reaction:…
A: Reduction - A process in which a species gains electrons Oxidation - A process in which a species…
Q: Which of the following are correct Lewis structues? 1. NO21 :OIN=0: 3. NF5 한 2. PF3 4. SF4
A: Lewis dot structures are the diagrams in which the valence electrons of the atoms of a compound are…
Q: would the ideal angles not be 120 and and 180 before the lone pair cheanges them to 102 and 173?
A: Answer: Presence of lone pair always causes the distortion in the structure of a molecule because…
Q: What volume of 0.0100 M NaOH must be added to 1.00 L of 0.0500 M HOCl to achieve a pH of 8.00? The…
A:
Q: Consider the following electrochemical cell: Ag AgNO3(aq) (1 μM)||KCl(aq) (1 µM)| AgCl Ag Calculate…
A: At equilibrium, the cell will have reached a state where the concentration of dissolved…
Q: 7) H₂C. H₂ H₂C C 5) Which one of the following is the strongest acid? OH CH2OH CH₂OH A) I B) II C)…
A: Acidic strength of organic compound can be compared by looking at the conjugate base stability after…
Q: Polymers may be composed of thousands of monomers. Draw two repeat units of methyl methacrylate.…
A: A polymer is a large molecule that is formed by the repetition of small units called a monomer, and…
Q: Which of the following is the strongest acid? Electronegativies: H = 2.2, Cl= 3.2, Br = 2.9, F = 4.0…
A:
Q: Classify each of the following as a strong acid or a weak acid. Indicate how each should be written…
A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: 23. Rank the following bases from LEAST BASIC TO MOST BASIC: CI,F,NH₂, OH A) CF < F< OH < NH₂ B) C…
A: 23) The stronger an acid, the weaker its conjugate base and the stronger a base, the weaker its…
Q: QUESTIONS: 1. An oleic acid, C17H33COOH (282 g/mol), solution is added to water in a watchglass…
A: Given that: Diameter of monolayer = 14.5 cm Area occupied by one molecule of oleic acid = 0.25 nm2…
Q: CHEMISTRY (Please write the complete solution legibly. Choose the correct answer. No long…
A: To solve this problem, you will need to use the equation for calorimetry: q = mcΔT where q is…
Q: A 32.9 gram metal bar is heated to 85.5°C and placed in a perfect calorimeter containing 50.0 g of…
A:
Q: What is the name of the element with a valence electron configuration of 2s²? What is the name of…
A:
Q: Give the organic product(s) formed in the following reaction: CH3CH2- I CH3 -CH₂CH3 Br CH3 CH3CH₂ C…
A: Given compound is alkyl halide which is tertiary also. Given reagent is strong base so elimination…
Q: ● • 3. Explain what is meant by 'base' when used in chemistry. How does a base differ from an…
A: 3A)Base:- In chemistry, a base is an element that either accepts protons (H+) or donates hydroxide…
Q: 21. At 25°C, the following reactions have the equilibrium constants note their equations: 2 CO(g) +…
A:
Q: The density of water, H₂O(1), is 1.0 g ml.. How many atoms of oxygen are present in 2.5 L of pure…
A:
Q: write the equation and mechanism for the synthesis of dibenzalaceton
A: Two moles of acetone and 2 moles of benzaldehyde reacts under aldol condensation reaction conditions…
Q: Which of the following is a heterogeneous mixture? O Crude oil Rubbing alcohol Steam Salt water…
A: we have to determine which of the given substances is a heterogenous mixture
Q: Equal masses of hydrogen gas and oxygen gas are reacted to form water. Which substance is limiting?…
A: It is based on the concept of the stoichiometry. Here we are required to find the limiting reagent…
Q: What do you think is the source of the poisoning phosphorus or radium? From the chemistry…
A: Poisoning from phosphorus and radium can occur through exposure to these substances. Phosphorus is a…
Q: You are given the following boiling point data. Which one of the liquids would you expect to have…
A: We are given a boiling point data of certain chemical compounds and asked to comment on the vapour…
Q: QUESTION 19 On the phase diagram below the triple point is _(1), the critical point is _(2), and the…
A: Phase diagram graphically represents the physical states of a substance under different conditions…
Q: The compound below has an IUPAC name. What is it? Select one: O A. 4,5,8-trimethyl-6,7-diethyldecane…
A:
Q: Which of the following cannot act as a buffer solution? I. HC2H3O2 - NaC2H3O2 II. NH3 - NH4Cl…
A:
Q: A pitcher containing 0.87 L of water at 4.8 °C is removed from the refrigerator. How many kilojoules…
A:
Q: Which product/s would you expect to obtain from each of the following reaction? In each reaction…
A:
Q: From the following information, Substance MgO(s) HCl(g) MgCl2(s) H₂O(1) calculate AH° in kJ for the…
A:
Q: QUESTION 8 hich of the following formula/name pairs are incorrect? A. Mg(CIO4)2 B. Ca(NO2)2 C.…
A: We have to tell pairs which have incorrect formula.
Q: Does a reaction occur when aqueous solutions of barium iodide and potassium carbonate are combined?…
A: Here, we have to find whether a reaction will occur or not when an aqueous solution of barium iodide…
Q: Atom Inventory Mn: Ag: NO3: 7. type your answer... Mn+ Mn + AgNO3 type your answer... AgNOS Ag +…
A: Answer: In the given question a single displacement reaction between Mn and AgNO3 is taking place…
Q: How many grams of solid ammonium chloride should be added to 1.00 L of a 0.111 M ammonia solution to…
A: For buffer, pOH = pKb + log[salt][base]
Q: Question 18 Tools Question 18 Which of the following substances would give a pH test result greater…
A: Acids are those substance which gives H+ ion when dissolved in water while bases are those substance…
please slove clearly
Step by step
Solved in 2 steps
- 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.the absorption of solute A from a mixture is done in a wetted wall column by a solvent at 1 atm. And 25 C. The Value of mass transfer coefficient is 9 * 10 m/s. At a point, the mole fraction of A in the liquid gas interfaceis 2*10 in the liquid phase. Partial pressure of A in the gas phase is 0.08 atm. Henry's law recation is P^= (600)x^ in atm. Calculate the rate of absorption of A.Mganga is doing a routine analysis in a copper plating factory. He is regularly making up solutions of verypure CuSO4.5H2O. He suspect that a batch of a reagent used to make up a stock solution of CuSO4.5H2Ois impure and it may contains some CuCl2. He asked you to determine the percentage impurity as follows:Dissolve1.500g of a mixture and make up to 1.00L mark.150mL of this solution was treated with 20.00mLof 0.100M AgNO3 to remove 98.6% of chloride as AgCl precipitate.
- 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 n(g) The material 60-40 Solder contains 60 wt% Sn and 40 wt% Pb. Calculate the composition of the material in atom percent. The atomic weights for Pb and Sn are 207.19 g/mol and 118.71 g/mol, respectively.iverity at Anbar Cellege for Pure Belenees Analytical Chemistry 1// 1 Stage Dr. Bashar AbdulazeeR Mahmood Peperiment of Chemistry H.W: date the Formal and Molar concentrations of the constituents in 2.30 g of ethanol (g. fw%3D ) in 3.50 litres of aqueous solution. 4) Molal concentration (Molality) m The solution concentration produce from dissolved solute (mole) in solvent (kg), molality oes not change with temperature and used for physicochemical measurements. Example: Calculate the molal concentration for solution preparing from mixing 4 g NAOH with 500 g water. W 1000 4 g 1000 Solution: Molality (m) = 0.2 m %3D M.w w (g) 40 g/mol 500 (5) Concentration by percent Chemists frequently express concentrations in term of percentage Common methods include: a. Weight percent (w/w): It is the number of grams of solute per g of solvent or solution (w/w) E-) w of solute (g) w of solution or sample (g) w of solute (mg) w of solution or sample (mg) -%- %3D x 100 = %3D X 1
- draw and sketch a group for action poyential polarization phases with membrane potential vm in milivolts(#2) Hydrogen of at pressure of Zatm flows within Diametes 40mm and thickness 0.5mm 0.2 atm. the mass and Solubilty in the tube material and 160 (kmd/m². com) respectiv. -11 a tube the pressure at the surface is diffusivity ane 1.8A10 m² / Sec and the system at Sco C. (11 obtaine the expression for melor flux " NA". ( (ii) Calculate the rate of hydrogen transfered throw tube per unit length.05) Determine Assume the soil coefficient (log Koc). factor teem in your molecular structure is given as по Collection The followe : Calculations. Bekow CI Given, log Koc = ос NH2 0.53' x + 0.62 + Σ n; Pj, Where X is the first order molecular connectivity n; is the number of groups of type 'j molecule and Pj Is Collection factor in Index the for each group. (6 marks) [Last question Numerical
- 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.) 0.025 M CH3COOH solution has a specific conductance of 2.33X10-4 Scm-1,and molar conductivity at infinite dilution is 364.13 S.Cm2.mol-1. What is itsdegree of dissociation?(1) Calculate the amount of lime and soda required for softening 9000 litres of water sample containing in ppm, Mg(HCo = 50; CaCl, = 111; MgSO, = 120; CaSO, = 138; NaCi = 480 and Fe-O, = 234, The lime of 80% and soda of 90% purity was utilized in the process. (i) You are given a task to treat the hard water to produce clear, transparent, and softened water (the residual hardness up to 20 ppm is allowed). As a responsible engineer of the plant, what is your strategy to generate the water of required softness? Explain