Please help A 3.0 L container or argon has a pressure of 3.5 atm what volume would be necessary to increase the pressure to 557.15 kPa

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3