If a laser light is composed of photons each with an energy 3.54 x 10^-18 J, what is the wavelength of this light in units of nanometers, nm?

What is the mass of sodium in 3 moles of sodium chloride

What is the main reason why some developing countries fear the increase the free trade policies around the world?

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.