Which statement about entropy is true?

CHEMISTRY · Single correct · A Level · Chemistry · Thermodynamics · Thermodynamics

Problem

Which statement about entropy is true? (1) The entropy of a substance depends on the temperature. (2) The entropy of an element is zero. (3)

\Delta S^\ominus > 0

for exothermic reactions. (4)

\Delta S^\ominus < 0

for exothermic reactions.