Balance the following redox reaction in basic solution.
Cl−(aq)+CrO2−4(aq)→ Cl2(g)+CrOH3(s)

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles