15. using the information below, calculate δhf° for pbo(s)

pbo(s) + co(g) → pb(s) + co2(g) δh° = –131.4 kj
δhf° for co2(g) = –393.5 kj/mol
δhf° for co(g) = –110.5 kj/mol

a) –151.6 kj/mol
b) –283.0 kj/mol
c) +283.0 kj/mol
d) –372.6 kj/mol
e) +252.1 kj/mol

The correct answer is Option A.

Explanation:

Enthalpy change is defined as the difference in enthalpies of all the product and the reactants each multiplied with their respective number of moles. It is represented as

The equation used to calculate enthalpy change is of a reaction is:  

For the given chemical reaction:

The equation for the enthalpy change of the above reaction is:

We are given:

Putting values in above equation, we get:

Hence, the correct answer is Option A.

a is the answer to this question

explanation: