using the following data, calculate the average atomic mass of magnesium (give your answer to the nearest .01 u) : Show all work! Isotope: 1224MgPercent abundance:78.70%Isotope:1225MgPerce nt abundance:10.13%Isotope:1226MgPerce nt abundance:11.17%

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 frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *

An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid