Asingle-stage liquid/vapor separation for the benzene i vethylbenzene(2) system must produce phases of the following equilibrium compositions. for one of these sets, deter- mine the t and p in the separator. what additional information is needed to compute the relative amounts of liquid and vapor leaving the separator? assume that raoult's law applies. (a) 1] = 0.35. yı = 0.70. (b) ej = 0.35. y1 = 0.725. (e) x1 = 0.35, y = 0.75. (d) a=0.35. n = 0.775.

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

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