Engineering, 17.04.2020 18:18 Nicaragua505
At a particular instant in time, the mole fraction of chlorine (C) in air at 1.0 atm and 298 K varies with position z (from 0 to 1 cm) by the following equation: yc = z2-22+1 The diffusion coefficient of chlorine in air is 0.10 cm'/s. If the mole average velocity is equal to zero, determine
i. The concentration of the gas mixture.
ii. The concentration ofchlorine at z 0.4 cm.
iii. The molar diffusional flux ofchionne at z = 0.4 cm, what does the sign indicate?
iv. The velocity ofchlorine at z = 0.4 cm.
v. The velocity ofair at z = 0.4 cm.
vi. Draw a graph containing chlorine mole fraction as a function of z position. On the same set of axes (but using different scale!) plot the molar diffusional flux as a function of z position. What will the concentration profile of chlorine look like (i. e ., sketch) a short time period in the future?
Answers: 2
Engineering, 04.07.2019 16:10
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
Answers: 1
At a particular instant in time, the mole fraction of chlorine (C) in air at 1.0 atm and 298 K varie...
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Social Studies, 18.03.2021 03:20
Biology, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
English, 18.03.2021 03:20
Biology, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
Mathematics, 18.03.2021 03:20
History, 18.03.2021 03:20