Twenty liters of liquid n-propyl benzoate (c6h5co2c3h7, sg ô° 1.021) and 15 liters of liquid ben- zene are mixed and heated from 25ô°c to 75ô°c. calculate the required heat input (kj), using koppâs rule when necessary. state all assumptions you make.

How many atoms are there in 5.70 mol of mg

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

What is the equation fort the alkaline zinc/manganese dioxide cell. a) anode b)cathode c)overall equations.