A firework company is coming out with a new type of firework for the 4th of july. the firework gives off 1 color of light with energy of 4.18 x 10-19 j. a) calculate the wavelength of the color. HEL

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.