Q. Which of the following scenarios describes a process with a negative system entropy change? A) build a skyscraper

B)An igloo melting

C)A clean room becomes cluttered

D)Osmosis

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this

What term describes technology that operates on an atomic level