A student added a small sample of her unknown to 25 mL of t-butanol and placed the stirred solution in an ice bath. The temperature of the solution dropped to zero
without freezing. What was the problem? What should the student change about the
next experiment?

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what

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.