Which of the following describes the reaction shown below?
$\mathrm { CH } _ { 2 } = \mathrm { CH } _ { 2 } + \mathrm { HBr } \longrightarrow \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Br } + \text { heat }$

Question

Which of the following describes the reaction shown below? 
$\mathrm { CH } _ { 2 } = \mathrm { CH } _ { 2 } + \mathrm { HBr } \longrightarrow \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Br } + \text { heat }$

Quizplus · Accepted Answer

The reaction is exothermic ($\Delta H ^ { \circ } < 0$) as indicated by the release of heat. The reaction results in fewer gas molecules (none in the products from one in the reactants), suggesting a decrease in entropy ($\Delta S ^ { \circ } < 0$).

Which of the Following Describes the Reaction Shown Below A) ΔH∘>0 and ΔS∘>0\Delta H ^ { \circ } > 0 \text { and } \Delta S ^ { \circ } > 0ΔH∘>0 and ΔS∘>0

Which of the Following Describes the Reaction Shown Below A) $\Delta H ^ { \circ } > 0 \text { and } \Delta S ^ { \circ } > 0$