zetty

Popular questions and responses by zetty
  1. physics

    On a cold day, you take a breath, inhaling 0.50 L of air whose initial temperature is −10°C. In your lungs, its temperature is raised to 37°C. Assume that the pressure is 101 kPa and that the air may be treated as an ideal gas. What is the total change

    asked on August 12, 2017
  2. physics

    A sealed cylinder contains a sample of ideal gas at a pressure of 2.0 atm. The rms speed of the molecules is vO. (a) If the rms speed is then reduced to 0.90 vO, what is the pressure of the gas? (b) By what percentage does the speed of sound in the gas

    asked on August 12, 2017