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How many neutrons does a atom of cobalt have?

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

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?