Answer
$\Delta H=-2418\,J/mol$
$q=-2418\,J$
$w=-5\,J$
$\Delta E=-2423\,J/mol$
Work Step by Step
$\Delta H$ is negative as heat is evolved.
$\Delta H=-2418\, J/mol$
At constant pressure, $\Delta H=q=-2418\,J$
Since work is done by the system, $w$ is negative.
$w=-5\,J$
$\Delta E=q+w=(-2418\,J)+(-5\,J)$
$=-2423\,J/mol$
