Balance the following equation using oxidation Numbers. Show all steps. KMnO4(aq)+ H2SO4(aq) +H2O2(l)-> K2SO4(aq) +MnSO4(aq) +
02(g) + H2O(l)

Identify a specific example for each type of technology

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?