A glass tube 1 mm diameter was filled with benzene to within 2.3 cm from the top and maintained at a temperature of 25 °C and 765.5 mm Hg pressure in a gentle current of air. The position of liquid surface was measured with a traveling microscope. After eighty minutes, the level had fallen by 0.148 cm. Data: Vapor pressure of benzene @ 25 °C = 74.6 mm Hg %3D Density of benzene at 25°C = 879 kg/m³ %3D (i) Illustrate and identify the given data (ii) Calculate the diffusivity of benzene in air. (ii) Calculate the loss in Omani riyals, if benzene is worth 274 OMR/L

Q: Consider a system of 6-in. ID vertical pipe with a falling film of water on the wall. Estimate he…

A: Given:  mass flow rate of water given i m*  =1570 lb/hr  diameter of pipe d = 6 in = 0.1524…

Q: Q4) Write the relation between melting point temperature of ice with pressure? At 1 Atm, water melts…

A: Melting point is the temperature required for the solid to change its phase from solid to liquid.…

Q: A rigid container of 1m3 contains a mixture of liquid and water vapor at 0.5 MPa. a) If the quality…

A: Whenever water is vaporized, the temperature of the system will be constant, i.e temperature of both…

Q: 1. A gas bubble has a volume of 0.500 cm³ at the bottom of the lake where the pressure is 3.49 atm.…

A: GivenVolume of bubble at bottom of lake=0.500 cm3Pressure of bubble at bottom of lake=3.49…

Q: Suppose the pressure at a point within a column of mercury in a tube is 120 mmHg. What is the…

A: pressure (P)=120 mmHg=120×133.3 Pa=15996 Pa=15996Kgm s2height (h)=9 mm=9×10-3  m

Q: All are reagents used in the experiment on the determination of surface tension of a liquid by the…

A: Introduction The capillary rise method is a test conducted to determine the surface tension of a…

Q: A sample of air occupies 145 L at 900 mm Hg. What pressure is required to compress the air to 90 L…

A: Answer is P2 = 1450 mmHg . Pressure required to compress is P2 = 1450 mmHg. Detailed Calculation…

Q: A copper rod, an aluminum rod, and a brass, each 6.00 m in length and 1.00 cm in diameter, are…

A: Heat transfer through a composite medium, assumed to have a uniform thermal conductivity, density,…

Q: In order to evaluate mass diffusivity of gases using Gilliland equation, one must specify these…

A: Gilliland Equation is given by: DAB=1.38×10-7T31MA+1MBPVA13+VB132 Where, DAB is diffusivity, T is…

Q: A cylindrical open top vessel with 30 cm diameter contains 100 grams of water at 25 °C and 1 atm.…

A:

Q: You place a 4cm diameter ice-cube into a large bowl of water at constant temperature 15oC, and find…

A: Given,

Q: Q.3) The gage pressure of the air in the tank shown in Figure below is measured to be 80 kPa.…

A:

Q: 5.3-6. Unsteady-State Conduction in a Brick Wall. A flat brick wall 1.0 ft thick is the lining on…

A: To solve this problem, we can use the following equation for unsteady-state conduction in a…

Q: -„ Energy Balances, Costs and Insulation - A 100 meter long section of a steam pipe with an outer…

A: The total resistance to heat transfer due to convection is calculated as follows:R = 1h(2πrL)h =…

Q: From the table of water properties at average temperature T, find the water properties: density p,…

A: Given: D=9.9 cm L=25 cm T=22 °C No V (cc) t (sec) H1 (cm) H2(cm) 1 600 187 108 3 2 600 176…

Q: Problem 1: Find the equilibrium temperature attained by a porous surface soaked in Benzene. Assume…

A: Given :The pressure The temperature The emissivity of the porous surface Latent heat of…

Q: дт The Joule-Thomason coefficient of a gas is given by = 3.17- atm K др )н The gas was initially at…

A: The temperature of the gas is to be determined after it passed through the throttle.

Q: the following Question: problems: Use the psychrometric charts to answer I. The wet bulb and dry…

A:

Q: Reconsider Prob. 14–140. Using EES (or other) software, plot the mass transfer coefficient as a…

A: A wet circular duct is to be dried through dry air. Temperature of air = 15 0C Pressure = 1 atm…

Q: a.What is the approximation of Fick's equation (Hint: the first three terms)! b. A quiescent body of…

A: (a)   The first law of Fick’s gives the relationship between the diffusive flux and the…

Q: Use the on-line psychrometric chart (link in this module) to help solve this problem. The surface…

A: Given data: Surface temperature of the steel duct = 18 0C Dry bulb temperature of the surrounding…

Q: The energy required for the ionization of a certain atom is 21.4 eV The absorption of a photon of…

A: The wavelength of the radiation which is incident on to the atoms is to be mentioned.

Q: Determine the external pressure if ethanol boils at 60 °C?

A: The boiling point of Ethanol at new pressure(P2)=60oC To Calculate the pressure(P2)=?

Q: Only part b and liquid density is 0.588 g.cm-3

A: (b)   Temperature of 1-butene, T = 120°C = 393.15 K Pressure of 1-butene, P = 34 bar…

Q: At the initial state, the pressure and temperature of water vapor in the metal tank were 20 MPa, 520…

A: Initial temperature of water vapor, T1 = 520ºC = 793.15 K Initial pressure of water vapor, P1 = 20…

Q: The results of air temperature measurement obtained a dry bulb temperature of 36 ° C and a wet bulb…

A: Given, Dry bulb temperature, Tdb = 36 °C Wet bulb temperature, Twb = 31 °C

Q: a) The temperature of the steam, b) The quality c) The volume percentage of the saturated steam

A: Consider the steam boiler has a saturated water mixture. Provided Data: V=1.5 m3m=750 kgP=1 MPa

Q: If a beaker of water is placed in a bell jar, and the water is maintained at constant temperature…

A: Introduction A bell jar is a glass jar, similar in shape to a bell , often used in laboratories to…

Q: Figure 1 describes a sequence of activities that takes place during solvent extraction. Explain…

A: In figure A A= mass of carrier liquid in feed for stage 1 from which solute is to be extracted in…

Q: 2) A cylinder holds 200 kg of water at 120 °C at a pressure of 20 MPa. The temperature is increased…

A:

Q: A mixture of air and water at a temperature of 25°C flows up through a vertical tube with a length…

A:

Q: The condition for entrainment is O a. The entire mass of vapor may boil over into the liquid outlet…

A: Answer: d. The entire mass of liquid may boil over into the vapor outlet

Q: Derive the total energy equation when there is a volume source of heat, h(r, t), per unit volume in…

A:

Q: A piece of beef steak 5 cm thick will be frozen in the freezer room -25 ° C. This product has a…

A: Given: Thickness of the beef steak, a = 5 cm = 0.05 m Freezer room temperature, Ta = -25°C = 248 K…

Q: A 4 mm diameter tube, 40 cm long, closed at one end and standing vertically on its closed end, is…

A: Given, d= 4mm, L=40 cm, T=17oC, ρ=790 Kg/m3 System is uni-component diffusion…

Q: 4. The right figure shows a simple combustion calorimeter. The sample is ignited electrically. After…

A: The water and the calorimeter each gained energy from the combustion. We will find out how much…

Q: In an experiment on diffusivity, a tube of small diameter contained acetone at 25•C up to 1.35 cm…

A: For calculating diffusivity, we have DAB=ρLRTPBM(z22-z12)ML2Ptθ(pA1-pA2)     (1) Here R=82.06…

Distillation

Distillation is a process/technique to separate more volatile components from less volatile components using the principle of relative volatility. In chemical engineering, distillation is one of the most common and important topics that is involved in almost every industry and process.