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Which of these solution have the lowest vapor pressure in 298 K?

Which of these solution have the lowest vapor pressure in 298 K? Please give a brief explanation. 0.01 m $\ce {CaCl2}$ 0.01 m $\ce {NaCl}$ 0.02 m $\ce {NaCl}$ 0.015 m $\ce {CaCl2}$ 0.01 m $\ce ...
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1answer
45 views

determine vapor pressure of mixture

I am looking to calculate the minimum heat needed to create vapor from a specific mixture. I have a mixture of 60% $\ce{C3H8O3}$ (glycerine) and 40% $\ce{C3H8O2} $ (propylene glycol, ...
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1answer
51 views

Does nitrogen pressure in tyres fluctuate to much a lower degree than air with changes in temperature?

This is my first question in this site. I am referring to this question.The linked question what is the advantage of filling nitrogen in bike tubes over air and I got some answers such as: The ...
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1answer
221 views

Calculate vapor pressure from volume

For a chemistry lab, I'm required to calculate the vapor pressure of some organic solvents... methanol, ethanol, and propanol, in addition to an "unknown" sample of some solvent. In the lab, we were ...
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1answer
785 views

How to arrange substances in order of increasing vapor pressure?

During the lecture in my chemistry class, my teacher posed the following problem: Arrange in terms of increasing vapor pressure: a) 0.5m sugar b) 0.5m NaCl c) 2m ethylene glycol ...
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1answer
79 views

Why does the conversion of SO₂ to SO₃ require high pressure?

The conversion of sulphur dioxide to sulphur trioxide in the contact process for the manufacture of sulphuric acid requires the following condition: Temperature: 450 degrees Pressure: 1-2 atm, ...
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2answers
1k views

If gases turn into liquids under pressure, what does carbon dioxide turn into?

Since there is no liquid state of carbon dioxide, what will carbon dioxide turn into when exposed to high pressure?
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3k views

General rules for deciding volatility

Given an organic compound, is there any way to decide if it is volatile (or compare volatility--everything is volatile in the end)? Volatility is due to the tendency to evaporate. The conclusion I ...