In a chemical reaction 3 moles of one gas and 2 moles of a second gas react to f

Question

In a chemical reaction 3 moles of one gas and 2 moles of a second gas react to form 5 moles of a third gas.

(1) In which of the processes described below should the entropy increase? Choose ALL of the correct possibilities.
A) ice cubes melting at -5 oC and 1 atm pressure
B) water disappearing from a tea kettle by boiling away
C) some dry ice left on a tabletop disappearing via sublimation
D) formation of CH4(g) and O2(g) molecules from CO2(g) and H2O(l) at room temperature and 1 atm pressure
E) water vapor in the atmosphere condenses into raindrops

Explanation / Answer

A) B) C)

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