Question

For which if the following substance, standard enthalpy of formation is not equal to zero ?
a)Br2(g)
b)C (Graphite)
c) Cl2(g)
d) H2(g)​

Answer 1

Answer:

Explanation:

b)C (Graphite).

it is the right answer .

because,All elements in their standard states (oxygen gas, solid carbon in the form of graphite, etc.) have a standard enthalpy of formation of zero, as there is no change involved in their formation.

Answer 2

Answer:

please ans my questions please