Starting with the definition of relative volatility, find the vapor composition of component 1 as a function of the liquid composition of component on an xy diagram plot constant relative volatilities of 1.3, 1.5, 2, and 5-include the 45-degree line.

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Which type of bond is present in hydrogen sulfide (h2s)? the table of electronegativities is given. a. hydrogen b. ionic c. nonpolar covalent d. polar covalent

Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy