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A large sheet of material 4() mm thick contains dissolved hydrogen (H2) having a uniform concentration of
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Chapter 14 Solutions
Fundamentals of Heat and Mass Transfer
- At room temperature, what fraction of the nitrogen molecules in the air are moving at less than 300 m/s?arrow_forwardDefine the Different substances have different gas constants.arrow_forwardIf this experiment was conducted using a sphere made of Nylon (density = 1.15 g/cm3) in both water, and glycerin, what do you anticipate the results to be? How would this sphere react in each liquid?arrow_forward
- A certain gas was produced as a product of a decomposition reaction in a reactor vessel. The reaction generated a certain amount of force that allowed the gas to move at 35 m/s. The diatomic product gas (gamma = 1.36) will be transported adiabatically in a commercial steel pipe with a diameter of 1 inch. If the exit of the reactor and start of the pipe has a same pressure of 6 atm abs. and temperature of 120 degrees Celsius. The molecular weight of the gas is 70.91 kg/kgmol. 2. What is the Mach No. at the entry of the pipe? 0.36 0.41 0.14 none of the given 0.25 0.52 0.63arrow_forwardIn a paint manufacturing process, two different colored paints are being mixed in an infinitelylarge drum.Paint A, with a concentration of 30% pigment, is pumped into the drum at a rate of 10 liters perminute.Paint B, with a concentration of 17% pigment, is pumped into the drum at a rate of 17 liters perminute.Both paints have the same density of 1.0 kg/liter.If the mixture is cotinuously stirred and drained from the drum at a rate of 22 liters perminute, what isthe concentration of pigment in the resulting mixture?arrow_forwardCan someone please help me to solve the following question showing all work.arrow_forward
- If the average velocity of molecules in a gas is 104 cm/s and the mean free path is 10-5 cm then the diffusion coefficient is: O a. 5x10-2 cm2/s O b. 5X10-5 cm2/S O c. 5x10-3 cm²/s O d. 5X10-4 cm²/sarrow_forwardPolluted air can have carbon monoxide (CO) levels of 15.0 ppm. An average human inhales about 0.50 L of air per breath and takes about 20 breaths per minute. How many milligrams of carbon monoxide does the average person inhale in an 8-hour period in this level of carbon monoxide pollution? Assume that the carbon monoxide has a density of 1.2 g/L. (Hint: 15.0 ppm CO means 15.0 L CO per 106 L air.)arrow_forwardThe title of the experiment is the latent heat of evaporation Assume that (10%) of the mass of the shifted vapor is water at a .temperature (T = 100 ° C) It is not steam. What is the percentage of error obtained in the ?experimentarrow_forward
- I mix two fluids together, and I use the same mass of each fluid. They are completely miscible; in fact, the two chemicals are isomers. What is the composition of the mixture on a molar basis? Give a numerical answer and a written explanation of how you arrived at it, but do not use any equations.arrow_forwardThis question is related to heat and mass transfer subjectarrow_forwardAt the pressure of P=0.1MPa, the saturation temperature of water is Tsat=100 ºC, the specific volume of the saturated liquid water is vf=0.001043 m3/kg, and the specific volume of the saturated vapor water is vg=1.6720 m3/kg. (3) Please match regions shown in the diagram with correct names.arrow_forward
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