Which of the following is an example of -ΔS?

Picking up marbles and placing them in a sack

Paint spilling onto the floor from a can

Grains of sand being dropped onto the carpet

Dropping a drop of red dye into water

Question

Which of the following is an example of -ΔS?
		
Picking up marbles and placing them in a sack
		
Paint spilling onto the floor from a can
		
Grains of sand being dropped onto the carpet
		
Dropping a drop of red dye into water

anonymous · Answer

@aaronq

anonymous · Answer

i think it might be the second one

aaronq · Answer

-ΔS means "a negative change in entropy", you can think of this as a system "becoming more orderly"

anonymous · Answer

so then its the first one cause its going into the sac

aaronq · Answer

yep