How many grams of zinc chloride would be formed if 130.74 grams of zinc reacts? Zn + 2HCl --> ZnCl2 + H2​

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?

Gymnast always perform on padded mats. how does the mats protect the gymnast

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion