During the electrolysis of cooper (11) sulphate soIution , if 0.5 faraday (48250 c) is used what mass of copper will be deposited
at the cathode.

Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?

What is the average rate of the reaction between 10 and 20 s?