Answer
$\Delta$S$_{sys}$ $\gt$ 0 because 9 moles of gas are being converted to 10 moles of gas. Given that $\Delta$H is less than 0 and $\Delta$S$_{surr}$ is greater than 0, the reaction is spontaneous at any given temperature.
Work Step by Step
$\Delta$S$_{sys}$ $\gt$ 0 because 9 moles of gas are being converted to 10 moles of gas. Given that $\Delta$H is less than 0 and $\Delta$S$_{surr}$ is greater than 0, the reaction is spontaneous at any given temperature.