Use the Information Provided to Determine $\Delta$ R H° for the Following Reaction

Use the information provided to determine $\Delta$ r H° for the following reaction: $$\begin{array} { l l l l } { \mathrm { D } _ { \mathrm { f } } H ^ { \circ } \left( \mathrm { kJ } \mathrm { mol } ^ { - 1 } \right) } & \mathrm { CH } _ { 4 } ( g ) + 3 \mathrm { Cl } _ { 2 } ( g ) \rightarrow \mathrm { CHCl } _ { 3 } ( l ) + 3 \mathrm { HCl } ( g ) & \Delta _ { \mathrm { r } } H ^ { \circ } = ? \\\mathrm { CH } _ { 4 } ( g ) & - 75 \\\mathrm { CHCl } _ { 3 } ( l ) - 134 & & \\\mathrm { HCl } ( g ) - 92 &\end{array}$$

A) -151 kJ mol^-1
B) -335 kJ mol^-1
C) +662 kJ mol^-1
D) +117 kJ mol^-1
E) -217 kJ mol^-1

Correct Answer:

Verified

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