For which process is ΔS negative? (a)evaporation of 1 mol of CCl4(l) (b)mixing 5 mL ethanol with 25 mL water (c)compressing 1 mol Ne at constant temperature from 1.5 L to 0.5 L (d)raising the temperature of 100 g Cu from 275 K to 295 K (e)grinding a large crystal of KCl to powder

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Principal Quantities and EOS

A physical quantity represents the physical state of a system. It is expressed as the product of a number and unit. The basic quantities used in science are length, mass, and time. The principal quantities are the quantities that are independent of other quantities.