5.8L of helium at 24°C and 1.77 atm, and 12L of oxygen at 24°C and 1.45 atm are both transferred to a 7.5L container at 30°C. What is the partial pressure of each gas in the new container?

Which of the following provides support and protection for many insects a) muscle b) skeleton c) spinal cord d) exoskeleton

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

Water undergoes a large change in density at 0 ∘ c as it freezes to form ice. calculate the percent change in density that occurs when liquid water freezes to ice at 0 ∘ c given that