One balloon was only partly filled when put on the plane. during the flight, the balloon volume
increased from 7 l at 1.0 atm to 9 l. what was the cabin pressure on the airplane during the flight?
(assume the balloon stretched very easily and the temperature was constant.)

How many atoms are there in 5.70 mol of mg

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

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