a. In a chemical reaction two gases combine to form a solid.What do you expect the sign of ΔS to be?
b. For each of these processes, is the entropy change positiveor negative?
i.) The melting of ice cubes at -5Celsius
ii.) The dissolving of sugar in hotcoffee
iii.) The reaction of nitrogen atomsto for N2 molecules
iv.) Alignment of iron filings in a magneticfield
v.) Formation of CH4 andO2 molecules from CO2 and H2O atroom temperature