Wavelength question An infrared ray has a wavelength of 5.50 x 10-6m, what is the frequency of the wave?

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

What are the similarities of physical and chemical change ?