Mole Conversion: find the grams in 1.26 x 10^-4 moles of CH3COOH

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.

Is a pencil falling to the floor anon contact force, a force, or a contact force

Is 343 in the sequence -5, -2, 1, 4, 7