Please explain as ELEMENTARY as possible.
Thank you (-:© BrainMass Inc. brainmass.com October 24, 2018, 6:32 pm ad1c9bdddf
A liquid has a heat of vaporization of 35.5kJ/mol and a boiling point of 122 EC at 1 atm. What is its vapor pressure at 109EC?
I am thinking that differential equations are out of the question so I can't derive this expression. ...
This solution is provided in 185 words. It uses Gibbs Free Energy and how this relates to entropy, as well as the Clausius-Clapeyron equation, to solve for vapor pressure.
Calculating formaldehyde losses (emissions) to atmosphere from a heated and open container of water?
Assume that you have a 1000L container of water open to atmosphere; the water is at an average year round temperature of 175 degrees F; the average ambient air temperature is 60 degrees F; and assume the static concentration of formaldehyde in the water is 100 mg/L.
How would I calculate the potential loss of formaldehyde to the atmosphere from this open heated container of water? My sense is that it would be a function of both water and air temperature plus the vapor pressure of the water and formaldehyde?? Also, would it actually be soluble formaldehyde in the water or would it be an organic acid precursor like acetic or formic acid?
Can you please walk me through the calculations so that I clearly understand?View Full Posting Details