Draw full reaction pathway diagrams including activation for the combustion of sulphur to form sulphur dioxide.

Draw full reaction pathway diagrams including activation for the endothermic reaction, ${\mathrm{H}}_2\mathrm{O}\left(\mathrm{g}\right)+\mathrm{C}\left(\mathrm{s}\right)\to {\mathrm{H}}_2\left(\mathrm{g}\right)+\mathrm{CO}\left(\mathrm{g}\right)$.

Identify each of the following reactions as $∆{\mathrm{H}}_{\mathrm{r}}^{°}, ∆{\mathrm{H}}_{\mathrm{f}}^{°} \mathrm{or} ∆{\mathrm{H}}_{\mathrm{c}}^{°}$,

${\mathrm{MgCO}}_3\left(\mathrm{s}\right)\to \mathrm{MgO}\left(\mathrm{s}\right)+{\mathrm{CO}}_2\left(\mathrm{g}\right)$.

Identify each of the following reactions as $∆{\mathrm{H}}_{\mathrm{r}}^{°}, ∆{\mathrm{H}}_{\mathrm{f}}^{°} \mathrm{or} ∆{\mathrm{H}}_{\mathrm{c}}^{°}$,

$\mathrm{C}\left(\mathrm{graphite}\right)\left(\mathrm{s}\right)+{\mathrm{O}}_2\left(\mathrm{g}\right)\to {\mathrm{CO}}_2\left(\mathrm{g}\right)$.

Identify each of the following reactions as $∆{\mathrm{H}}_{\mathrm{r}}^{°}, ∆{\mathrm{H}}_{\mathrm{f}}^{°} \mathrm{or} ∆{\mathrm{H}}_{\mathrm{c}}^{°}$,

$\mathrm{HCl}\left(\mathrm{g}\right)+{\mathrm{NH}}_3\left(\mathrm{g}\right)\to {\mathrm{NH}}_4\mathrm{Cl}\left(\mathrm{s}\right)$.

Identify each of the following reactions as $∆{\mathrm{H}}_{\mathrm{r}}^{°}, ∆{\mathrm{H}}_{\mathrm{f}}^{°} \mathrm{or} ∆{\mathrm{H}}_{\mathrm{c}}^{°}$,

${\mathrm{H}}_2\left(\mathrm{g}\right)+\frac{1}{2}{\mathrm{O}}_2\to {\mathrm{H}}_2\mathrm{O}\left(\mathrm{l}\right)$.