Consider a sample of calcium carbonate in the form of a cube measuring 2.805 in. on each edge.
if the sample has a density of 2.70 g/cm^3, how many oxygen atoms does it contain?

Apeak with a retention time of 407 s has a width at half-height (w1/2) of 7.6 s. a neighboring peak is eluted 17 s later with a w1/2 of 9.4 s. a compound that is known not to be retained was eluted in 2.5 s. the peaks are not baseline resolved. how many theoretical plates would be needed to achieve a resolution of 1.5?

Calculate the number of moles of ethane in 100 grams

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols