Manny is using a screwdriver to pry open the lid of a paint can. He applies a force of 25 N to the end of the screwdriver. In turn, the screwdriver applies a
force of 375 N on the lid. What is the mechanical advantage of the
screwdriver in this case?

What is the density of the black hole

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?