If an electric mixer does 10,000 joules of work in 10 seconds, what is its power?

Silver tarnishes as silver metal reacts with hydrogen sulfide, h2s, in the air. in this reaction, dark silver sulfide, au2s, covers the surface of silver. when silver is polished, this coating of silver sulfide can be removed from the surface. this makes the silver shiny again. enter the coefficients that balance the tarnishing reaction equation. (type 1 for no coefficient.)

Which type of fossil does this image depict?

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.