What is the wavelength of a radio wave whose energy is 4.81 x 10-14J? Group of answer choices
4.12 x 10-12 m

6.237 x 1021 m

3.18 x 10-47 m

7.265 x1019 Hz

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? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

What are the coefficients to balance the following equation? ba+br=babr2