Can someone help me this is Acids and Bases Chemistry assignment and it’s due in 30 minutes!!

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

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.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a