Can someone help me figure out which of these processesincrease and decrease in

Question

Can someone help me figure out which of these processesincrease and decrease in entropy? 1. The ripening of a banana 2. dissolution of sugar in a hot cup ofcoffee 3. The reaction of nitrogen atoms toform N2 molecules at 25o C and 1atm 4. Lightning 5. Formation of CH4 andO2 molecules from CO2 and H2O atroom temperature and 1 atm of pressure My thought was that 2. and 4. increaseis this correct? Can someone help me figure out which of these processesincrease and decrease in entropy? 1. The ripening of a banana 2. dissolution of sugar in a hot cup ofcoffee 3. The reaction of nitrogen atoms toform N2 molecules at 25o C and 1atm 4. Lightning 5. Formation of CH4 andO2 molecules from CO2 and H2O atroom temperature and 1 atm of pressure My thought was that 2. and 4. increaseis this correct? My thought was that 2. and 4. increaseis this correct?

Explanation / Answer

An increase in entropy means an increase in disorder. Ifthe process increases disorder, then it will increaseentropy. 1. increase; larger molecules are breaking into smallerones 2. increase; the molecules are spreading out becoming moredisorganized 3. decrease; two atoms are coming together to form onemolecule 4. increase; a decrease in potential energy 5. decrease; methane and oxygen have more potential chemicalenergy than carbon dioxide and water

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