1. 0.45 kg of carbon monoxide (28) and 1 kg of air at 15°C are contained in a vessel of volume 0.4 m°. Calculate the partial pressure of each constituent and the total pressure in the vessel. The gravimetric analysis of air is to be taken as 23.3% oxygen (32) and 76.7% nitrogen (28). [Ans. Po, = 0.4359 bar; PN, = 1.64 bar, Pco = 0.962 bar]

1. 0.45 kg of carbon monoxide (28) and 1 kg of air at 15°C are contained in a vessel of volume 0.4 m°. Calculate the partial pressure of each constituent and the total pressure in the vessel. The gravimetric analysis of air is to be taken as 23.3% oxygen (32) and 76.7% nitrogen (28). [Ans. Po, = 0.4359 bar; PN, = 1.64 bar, Pco = 0.962 bar]

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

The viscosity values for the H2 and Freon-12 gas mixtures at 25 ° C and 1 atm pressure and the mole fractions of the mixture are given in the table below. For H2 and Freon-12, calculate the viscosity values of the mixture for 3 different compositions using pure viscosity values. H2 Mol Frac. 0,00 0,25 0,50 0,75 1,00 Viscosity (µ) x 106 (poise) 124,0 128,1 131,9 135,1 88,4
A mixture of 1 mole CO2 and 3.5 moles of air is contained in a vessel at 1 bar and 15°C. The volumetricanalysis of air can be taken as 21% oxygen and 79% nitrogen. Calculate for the mixture : (i) The massesof CO2, O2 and N2, and the total mass. (ii) The percentage carbon content by mass. (iii) The apparentmolecular weight and the gas constant for the mixture. (iv) The specific volume of the mixture.
A balloon filled with ideal Helium gas (a monatomic gas) is tethered outside, and over time the balloon contracts from a volume of 1.15×10^3 m^3 to a volume of 1.05×10^3 m^3 . Assume that as it is contracting, the balloon maintains a constant pressure of 1.00 atm ( 1.013×10^5 Pa). The balloon contains 50,000 moles of Helium gas. a) Complete the following: i. Sketch a PV diagram for this process below. Label the pressures and volumes relevant at the initial and final times. ii. Find the work done by the environment on the gas during this process. Show your work! iii. Answer the following question: Did energy in the form of work enter or leave the system of Helium gas during the contraction? b) Find the change in the internal energy of the Helium gas during the process. c) Find the amount of heat transfer to or from the environment during this process and then answer the following question: Was the environment (outside atmosphere) at a higher or lower temperature than the helium gas…
The mass fractions of a mixture of gases are 10 percent nitrogen, 3 percent helium, 55 percent methane, and 32 percent ethane. Determine the mole fractions of each constituent, the mixture’s apparent molecular weight, the partial pressure of each constituent when the mixture pressure is 1200 kPa, and the apparent specific heats of the mixture when the mixture is at the room temperature. The universal gas constant is Ru = 8.314 kJ/kmol·K. Use the table containing the molar mass, gas constant, and critical-point properties and the table containing the ideal-gas specific heats of various common gases. The mole fraction of nitrogen is _______. The mole fraction of helium is _____. The mole fraction of methane is ._______ The mole fraction of ethane is ______. The apparent molecular weight of the mixture is ______kg/kmol. The partial pressure of nitrogen is ______kPa. The partial pressure of helium is _____kPa. The partial pressure of methane is _____kPa. The partial…
A gaseous mixture consists of 75 prcent methane (CH4 ) and 25 percent ethane (C2H6) by mass. One million cubic feet (106 ft3) of this mixture is trapped in a geological formation as natural gas at 300oF and 2000 psia. a) Determine the mass [lbm] of this gas using a compressibility factor based on Dalton's law of additive pressures. b) Determine the mass [lbm] of this gas using a compressibility factor based on Amagat's law of additive volumes.
0.5 kg of Helium and 0.5 kg of nitrogen are mixed at 20 degrees * C and at a total pressure of 100 kPa. Find (a) the volume of the mixture (b) the partial volumes of the components (c) the partial pressures of the components (d) the mole fraction of the components (e) the specific heats c_{p} and c, of the mixture and (f) the gas constant of the mixture.
Combined separating and throttling calorimeter is used to find out dryness fraction of steam, following readings were taken: Main pressure = 12 bar abs. Mass of water collected in separating calorimeter = 2 kg. Mass of steam condensed in throttling calorimeter = 20 kg Temperature of steam after throttling calorimeter = 110°C Pressure of steam after Throttling = 1 bar abs. Assume Cp of steam = 2.1 kJ/kg K. Calculate dryness fraction.
A mixture of ideal gases consists of 3 kg of nitrogen and 5 kg of carbon dioxide at a pressure of 300 kPa and a temperature of 20oC. Find (a) the mole fraction of each constituent, (b) the equivalent molecular weight of the mixture, (c) the equivalent gas constant of the mixture, (d) the partial pressures and the partial volumes, (e) the volume and density of the mixture, and (f) the cp and cv of the mixture.If the mixture is heated at constant volume to 40oC, find the changes in internal energy, enthalpy and entropy of the mixture. Find the changes in internal energy, enthalpy and entropy of the mixture if the heating is done at constant pressure.
Question : Determine the units of the quantity s ̄/Ru, where s ̄ is the molar specific entropy and Ru is the universal gas constant. Explain your answer please
9. Determine the change in specific enthalpy (kJ/kg-K) of gaseous mixture of 21%gasoline and 79%methane (by volume) if the change in temperature is 60°C. Let ratio of specific heat for the mixture is k = 1.45. Draw a figure or FBD that will support the problem. Explain each step by step formula.
1. Which has the lowest water content? A. dew point at 20 deg. C B. 70% RH C. absolute humidity of 0.05 D. 60% saturation 2. If the temperature of the exit wet air is at 68 deg. F, calculate the % humidity of the exit air. A. 30% B. 45% C. 50% D. 70% 3. Which of the following is true for the experiment? a. drag force exerted increases b. sphere never reaches terminal velocity c. sphere reaches terminal velocity d. drag force exerted decreases
100 grams of water are mixed with 200 grams of another fluid (specific density=790 kg/m3), what is the specific volume of the resulting mixture, assuming the volumes are additive and the mixture is homogenous?