A) For `N_(2) ` O gas, the difference in specific heats at constant pressure and at constant volume is equal to 0.04545 cal/g
B) Entropy of a perfectly crystalline solid is zero at absolute zero of temperature
C) Standard Gibbs energy of formation and standard enthalpy of formation are zero for elements in standard state
D) `T(deltaS^(0) _("total") = Delta G`
Which of these statements are true?

Options

A. All
B. B,C
C. A,B,C
D. B,C,D