The diagram here shows a 1-kg aluminum sphere and a 3-kg copper sphere of equal radius located 20 meters above the ground.

which sphere has the greatest potential energy?

the aluminum

the copper

they are the same

not enough information

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution

What information does a complete ionic equation give that the balanced equation doesn’t show?