Questions Asked on February 10, 2013

On a hot sunny day in August, the weather- man reports that the barometric pressure is 49 atm atmo... Asked on February 10, 2013 at 12:08 AM Suppose that a sample of gas occupies 117 mL of volume at 25C and a pressure of 289 torr. What wo... Asked on February 10, 2013 at 12:10 AM A ball is thrown vertically upward, which is the positive direction. A little later it returns to it... Asked on February 10, 2013 at 12:13 AM A 1.50 liter tank filled with helium at 125 atm is used to fill balloons. The pressure in each bal... Asked on February 10, 2013 at 12:16 AM To what temperature must a sample of helium gas be cooled from 123C to reduce its volume from 3.7... Asked on February 10, 2013 at 12:22 AM A sample of gas occupies 4 mL at STP. At what pressure would this sample occupy 500 mL if the temp... Asked on February 10, 2013 at 12:32 AM Please check my answers. I did my best. 1. Which process involves both passive and active transp... Asked on February 10, 2013 at 12:33 AM 3/4(20a+12)+1/4(20a+12) Asked on February 10, 2013 at 12:33 AM Hello - I am stuck on this problem and I'm in serious need of some help. I don't understand this qu... Asked on February 10, 2013 at 12:40 AM What is the density of hydrogen sulfide (H2S) at 0.9 atm and 295 K? Answer in units of g/L Asked on February 10, 2013 at 12:48 AM