Calculate the specific heat (J/g C) for a 22.5-g sample of a metal that absorbs 645 J when it's temperature increases from 36.2 C to 92.0 C

How do i complete this electrolysis of water lab? i’m at home, so i don’t have the materials, and the lab didn’t properly work and was incomplete at school.

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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.