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Problem- What is the concentration of TCE that moves though air only by diffusion at a distance of 10 m if the initial particle concentration at the point of generation are 100 µg/m3? Consider no other transport mechanism, but diffusion with flux of 1.1 x 10-5 µg/m2.s. The diffusivity coefficient of TCE at 1 atm and 200C is 0.082 cm2/s.
Demonstrate all steps to describe the solution of above question
What is the molecular geometry around a central atom that is sp3 hybridized and has one lone electron-pair? a.bent, b. linear, c.trigonal-planar
In a high-altitude city, the normal atmospheric pressure is 607.1 torr. Use the Clausius-Clapeyron equation to estimate the boiling point of water in this city
an ice bag containing 324 of ice at 0deg c was used to treat sore muscles. when the bag was removed the ice had melted
freon-12 cf2cl2 which has been widely used in air conditioning systems is considered a threat to the ozone layer in the
250-ml erlenmeyer flask : Contains 20.0 g sucrose, 2.0 g yeast, 175 ml DI water, and 20.0ml Pasteur's salts. The flask is fit with a one-hole rubber stopper with a glass tube leading to a beaker. Determine theorectical yield in grams and milliters ..
Caffeine with a mass of .265 g was used to prepare caffeine salicylate derivative. How do you find the theoretical yield of caffeine salicyIate
when 3.02g NH4Cl solid was dissolved in 20.05 ml water the temperature of the water dropped from 19.8 degrees celcius to 9.1 degrees celcius
suppose that the 0.00200 m feno33 and kscn solutions were only 0.00100 m. when mixed together as descripbed in the
Two moles of sucrose are dissolved in eight moles of water. Assume that the solution follows Raoult's Law, but that the vapor pressure of sucrose is negligible, as it is for most solids. The distillation is carried out at 1 atm.
If the test of such a breath sample yields a reading of 0.08%, what are the partial pressure and mole fraction of CH3CH2OH in the breath of the person who was tested? Assume the atmospheric pressure and temperature are 101 kPa and 21.0 oC.
How many mL of 12.1 M HCl solution do you need to dilute to make 100 mL of a soltion with 10 wt%
a. what is the ph of rainwater containing no buffering other than from water itself if the current concentration of
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