Suppose the system pressure is 30.0 atm, the liquid volume is 9.00 liters, the tank diameter is 10.00 cm, the gas contains 40.00mol% CO2, the Henry's law constant is 9230 atm/(mole/cm³), and the mass-transfer coefficient is 0.030 cm/s.Calculate the time required for CA to reach 1.2351 mol/L.t = ih

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Answered: Suppose the system pressure is 30.0…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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An extraction experiment was carried out with the soxhlet extraction technique to obtain oil from a plant seed. In the experiment, 10 g of plant seeds were taken and extracted with 150 mL of hexane solvent, The oil-hexane mixture obtained at the end of the extraction will be separated in the rotary evaporator and the mass and percent extraction efficiency of the collected oil will be calculated. The data obtained at the end of the experiment are given in the table below. Accordingly, calculate the amount of oil obtained, the amount of oil obtained per 1 g of plant seed and the percent extraction efficiency by establishing a mass conservation balance around the rotary evaporator. Weighing result (g) The tare of the sampled balloon 35 Initial mass (balloon + solvent + oil) 88.13 Tare the balloon in which the solvent was collected 45 93.47 At the end of the experiment, the balloon + solvent mass in which the solvent is collected
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For a copper-silver alloy of composition 33 wt% Ag-67 wt% Cu and at 775°C (1425°F) (see Animated Figure 10.7) do the following: (a) Determine the mass fractions of a and B phases. Mass fraction a = Mass fraction ß = (b) Determine the mass fractions of primary a and eutectic microconstituents. Mass fraction a primary = Mass fraction eutectic = (c) Determine the mass fraction of eutectic a. Mass fraction a eutectic = i
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Ksp= 3.00 x 10^-17
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A empty evaporating dish weighs 30.56g. You place 20.0mL of an NaCl solution in the dish plus the solution weighs 53.31g. You evaporatorate the solution to dryness ant find that the evaporatoring dish plus the residue weighs 32.25g. What is the w/v%? What is the w/w%? What is the molarity?
3. Determine the porosity of a sweet Vidali onion, which is composed of 93.8% water, 1.04% protein, 0.45% fat, 4.48% carbohydrate, and 0.46% ash. The apparent density of the onion was measured by the liquid displacement method. Toulene was used as the pycnometer liquid. All the measurements were carried out at 20°C and the density of the toluene at that temperature is known to be 865 kg/m³. The date obtained from liquid displacement measurements are: Weight of the empty pycnometer: Weight of the pycnometer filled with toluene: Weight of the pycnometer containing only onion: Weight of the pycnometer containing the onion and toluene: 75.87 g 126.58 g 85.87 g 127.38 g
IM ← < Aktiv Chemistry KU Portal 46°F STARTING AMOUNT X + https://app.101edu.co IND2L Ch. 1 Introduction -... X Aktiv Chemistry 36 L Connect-Bio Google 0.98692 ADD FACTOR *( ) 1.05 797 atm Docs Google Docs CG Grade Calculator ... 101.325 Pa 14.70 Convert 797 mm Hg to atm Question 15 of 25 psi 0.001 1000 R Point Grade Calcula... mm Hg 7.97 1.01325 ANSWER 760 1.01325 x 105 kPa bar Class Se RESE 5 10⁰ 6.06 x
Estimate the filtration flow (cm³/sec) of pure water across a membrane with a total surface area of 900 cm². The viscosity of water is 1 cP. The pores in the membrane are rectangular slits with a slit opening of 0.55 micrometers. The porosity of the membrane is 20% and the membrane thickness is 0.095 cm. The pores are also tortuous with a tortuosity of 1.25. The pressure drop across the membrane which drives the filtration flow is 2500 mmHg.
A drug is infused continuously intravenously (IV) for treatment of a particular disease. The volume of the body fluid V = 16 liters. The drug is excreted (removed) through the kidneys at rate ke , proportional to the concentration of the drug in the body fluids. The drug is ineffective and not used by the body if its concentration is below Cmin and becomes poisonous if the concentration goes over Cmax . It is metabolized at a rate km as the concentration is >=Cmin. Let the parameter values Cmin= 4 mg/l, Cmax =40 mg/l, ke = 0.2/hr and km = 0.3/hr.a. How much is the maximum possible rate of infusion of the drug?b. How long the drug would continue to be effective if the infusion has been stopped as the concentration reached at the maximum level?

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