Can somebody explain how to get the answer please :) A sample of hydrogen gas is prepared by water displacement at a pressure of 760 torr and a temperature of 22C. If the vapor pressure of H2O at that temperature is 20 torr, what is the partial pressure of the hydrogen?

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

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

What type of organic molecule comprises the majority of a potato?