Question

Q- The enthalpies of all elements in their standard states are :
(i) unity (ii) zero
(iii) < 0 (iv) different for each element​

Answer 1

Answer:

unity is answer

Explanation:

unit is used to calculate answer some of udegesent. angle

Answer 2

Answer:

The enthalpies of all elements in their standard states are taken as zero.

Option (ii) is correct