Nad
This page lists questions and answers that were posted by visitors named Nad.
Questions
The following questions were asked by visitors named Nad.
1. The organic compound triphenylmethane (C19H16) when pure melts at 171.04 degrees c. When 1.92 grams of hexachlorobenzene (C6CL6) is mixed with 3.74 grams of triphenhlmethane, the melting point of the mixture is 163.19 degrees calcius. Calculate the fre...
12 years ago
2. A 3.37 gram sample of a nonvolatile nonelectrolyte ( no ions) is dissolved in 23.7 grams of hexane (C6H14) at 25.0 degrees calcius. The vapor pressure of pure hexane at this temperature is 438 tort, and the vapor pressure of the solution is 419.3 torr....
12 years ago
A protein has a molecular weight of 98,300 grams/ mole. What will be the osmotic pressure if 0.128 grams of this protein I dissolved in 15.0 ml of water at 20 degrees calcias?
12 years ago
There are 45 students in a class of which 3/5of them are boys.how many girls ate there in the class?
9 years ago
Answers
The following answers were posted by visitors named Nad.