A gas occupies 7.5 liters at a pressure of 25.0 mm Hg. What is the volume when the pressure is increased to 75.0 mm Hg?

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

What natural processes produce large quantities of co2

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by