One hundred kg/h of a mixture of benzene (b) and toluene (t) containing 40% benzene by mass is separated by distillation into two fractions. the mass flow rate of benzene in the top stream is 28 kg b/h and toluene in the bottom stream is 48 kg t/h. the operation is at steady state. calculate the unknown component flow rates in the output streams. draw and label!

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Which of the following is most likely true about water in chemical solutions?

What is the vapor pressure of a solution with a benzene to octane?