How did Albert Einstein explain the photoelectric effect? A-Light is made of photons
B-Light is made of atoms
C-Light is made of electricity
D-Light is made of electrons

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

How do you lengthen a pattern piece? (family and consumer science, sewing)

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?