Which action represents an increase in entropy?

someone arranging a deck of cards in order from aces (low) to kings (high)

green food coloring diffusing through cookie dough

one end of a rod of steel getting warmer while the other end gets cooler

people arranging 80 cans into a pyramid

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(ii) carbonate, in concentrated sulfuric acid. the sulfuric acid reacts with the copper(ii) carbonate to produce a blue solution of copper(ii) sulfate. scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: (s) (aq) (s) (aq) suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. he adds powdered iron to a copper(ii) sulfate sample from the plant until no more copper will precipitate. he then washes, dries, and weighs the precipitate, and finds that it has a mass of .

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?