The standard Gibbs energy of formationk is nonzero for

Assertion : At constant temperature and pressure chemical reactions are spontaneous in the direction of decreasing Gibb's energy Reason : For every chemical reaction at equilibrium standard Gibb's energy of the reaction is zero

Assertion (A): For every chemical reaction at equilibrium, standard Gibbs enegry of the reaction is zero. Reason (R ) : At constant temperature and pressure chemical reactions are spontaneous in the direction of the decreasing Gibbs energy.

Assertion (A): For every chemical reaction at equilibrium, standard Gibbs enegry of the reaction is zero. Reason (R ) : At constant temperature and pressure chemical reactions are spontaneous in the direction of the decreasing Gibbs energy.