369464 Consider the reactions given below. On the basis of these reactions find out which of the algebraic relations given is correct?
(i) \(\mathrm{\mathrm{C}_{(g)}+4 \mathrm{H}_{(\mathrm{g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{x} \mathrm{kJ} \mathrm{mol}^{-1}}\)
(ii) \(\mathrm{\mathrm{C}_{(\text {graphite })}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{ykJ} \mathrm{mol}^{-1}}\)

369465 The specific heats of iodine vapours and solid are 0.031 and \({\rm{0}}{\rm{.055}}\,{\rm{Cal/g}}\), respectively. If heat of sublimation of iodine is \({\rm{24}}\,{\rm{Cal/g}}\) at \(\mathrm{200^{\circ} \mathrm{C}}\), what is its value at \(\mathrm{250^{\circ} \mathrm{C}}\) ?

369466 In Harber's process of ammonia manufacture :
\(\rm{\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(g)} \rightarrow 2 \mathrm{NH}_{3(g)} ; \Delta \mathrm{H}_{25^{\circ} \mathrm{C}}^{o}=-92.2 \mathrm{~kJ}}\)
\(\begin{array}{*{20}{c}}{{\rm{Molecule}}}&{{{\rm{N}}_{{\rm{2(g)}}}}}&{{{\rm{H}}_{{\rm{2(g)}}}}}&{{\rm{N}}{{\rm{H}}_{{\rm{3(g)}}}}}\\{{{\rm{C}}_{\rm{P}}}{\rm{J/}}\left( {{\rm{K}}\,{\rm{mol}}} \right)}&{{\rm{29}}{\rm{.1}}}&{{\rm{28}}{\rm{.8}}}&{{\rm{35}}{\rm{.1}}}\end{array}\)
If \(\mathrm{\mathrm{C}_{\mathrm{p}}}\) is independent of temperature, then reaction at \(\mathrm{100^{\circ} \mathrm{C}}\) as compared to that of \(\mathrm{25^{\circ} \mathrm{C}}\) will be :

369467 If \(\mathrm{38.55 \mathrm{~kJ}}\) of heat is absorbed, when 6.0 of \(\mathrm{\mathrm{O}_{2}}\) react \(\mathrm{C l F}\) according to reaction.
\(\mathrm{2 \mathrm{CIF}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2}(\mathrm{~g})+\mathrm{OF}_{2}(\mathrm{~g})}\)
What is the standard enthalpy of reaction?

369464 Consider the reactions given below. On the basis of these reactions find out which of the algebraic relations given is correct?
(i) \(\mathrm{\mathrm{C}_{(g)}+4 \mathrm{H}_{(\mathrm{g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{x} \mathrm{kJ} \mathrm{mol}^{-1}}\)
(ii) \(\mathrm{\mathrm{C}_{(\text {graphite })}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{ykJ} \mathrm{mol}^{-1}}\)

369465 The specific heats of iodine vapours and solid are 0.031 and \({\rm{0}}{\rm{.055}}\,{\rm{Cal/g}}\), respectively. If heat of sublimation of iodine is \({\rm{24}}\,{\rm{Cal/g}}\) at \(\mathrm{200^{\circ} \mathrm{C}}\), what is its value at \(\mathrm{250^{\circ} \mathrm{C}}\) ?

369466 In Harber's process of ammonia manufacture :
\(\rm{\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(g)} \rightarrow 2 \mathrm{NH}_{3(g)} ; \Delta \mathrm{H}_{25^{\circ} \mathrm{C}}^{o}=-92.2 \mathrm{~kJ}}\)
\(\begin{array}{*{20}{c}}{{\rm{Molecule}}}&{{{\rm{N}}_{{\rm{2(g)}}}}}&{{{\rm{H}}_{{\rm{2(g)}}}}}&{{\rm{N}}{{\rm{H}}_{{\rm{3(g)}}}}}\\{{{\rm{C}}_{\rm{P}}}{\rm{J/}}\left( {{\rm{K}}\,{\rm{mol}}} \right)}&{{\rm{29}}{\rm{.1}}}&{{\rm{28}}{\rm{.8}}}&{{\rm{35}}{\rm{.1}}}\end{array}\)
If \(\mathrm{\mathrm{C}_{\mathrm{p}}}\) is independent of temperature, then reaction at \(\mathrm{100^{\circ} \mathrm{C}}\) as compared to that of \(\mathrm{25^{\circ} \mathrm{C}}\) will be :

369467 If \(\mathrm{38.55 \mathrm{~kJ}}\) of heat is absorbed, when 6.0 of \(\mathrm{\mathrm{O}_{2}}\) react \(\mathrm{C l F}\) according to reaction.
\(\mathrm{2 \mathrm{CIF}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2}(\mathrm{~g})+\mathrm{OF}_{2}(\mathrm{~g})}\)
What is the standard enthalpy of reaction?

369464 Consider the reactions given below. On the basis of these reactions find out which of the algebraic relations given is correct?
(i) \(\mathrm{\mathrm{C}_{(g)}+4 \mathrm{H}_{(\mathrm{g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{x} \mathrm{kJ} \mathrm{mol}^{-1}}\)
(ii) \(\mathrm{\mathrm{C}_{(\text {graphite })}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{ykJ} \mathrm{mol}^{-1}}\)

369465 The specific heats of iodine vapours and solid are 0.031 and \({\rm{0}}{\rm{.055}}\,{\rm{Cal/g}}\), respectively. If heat of sublimation of iodine is \({\rm{24}}\,{\rm{Cal/g}}\) at \(\mathrm{200^{\circ} \mathrm{C}}\), what is its value at \(\mathrm{250^{\circ} \mathrm{C}}\) ?

369466 In Harber's process of ammonia manufacture :
\(\rm{\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(g)} \rightarrow 2 \mathrm{NH}_{3(g)} ; \Delta \mathrm{H}_{25^{\circ} \mathrm{C}}^{o}=-92.2 \mathrm{~kJ}}\)
\(\begin{array}{*{20}{c}}{{\rm{Molecule}}}&{{{\rm{N}}_{{\rm{2(g)}}}}}&{{{\rm{H}}_{{\rm{2(g)}}}}}&{{\rm{N}}{{\rm{H}}_{{\rm{3(g)}}}}}\\{{{\rm{C}}_{\rm{P}}}{\rm{J/}}\left( {{\rm{K}}\,{\rm{mol}}} \right)}&{{\rm{29}}{\rm{.1}}}&{{\rm{28}}{\rm{.8}}}&{{\rm{35}}{\rm{.1}}}\end{array}\)
If \(\mathrm{\mathrm{C}_{\mathrm{p}}}\) is independent of temperature, then reaction at \(\mathrm{100^{\circ} \mathrm{C}}\) as compared to that of \(\mathrm{25^{\circ} \mathrm{C}}\) will be :

369467 If \(\mathrm{38.55 \mathrm{~kJ}}\) of heat is absorbed, when 6.0 of \(\mathrm{\mathrm{O}_{2}}\) react \(\mathrm{C l F}\) according to reaction.
\(\mathrm{2 \mathrm{CIF}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2}(\mathrm{~g})+\mathrm{OF}_{2}(\mathrm{~g})}\)
What is the standard enthalpy of reaction?

369464 Consider the reactions given below. On the basis of these reactions find out which of the algebraic relations given is correct?
(i) \(\mathrm{\mathrm{C}_{(g)}+4 \mathrm{H}_{(\mathrm{g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{x} \mathrm{kJ} \mathrm{mol}^{-1}}\)
(ii) \(\mathrm{\mathrm{C}_{(\text {graphite })}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{CH}_{4(\mathrm{~g})} ; \Delta_{\mathrm{r}} \mathrm{H}=\mathrm{ykJ} \mathrm{mol}^{-1}}\)

369465 The specific heats of iodine vapours and solid are 0.031 and \({\rm{0}}{\rm{.055}}\,{\rm{Cal/g}}\), respectively. If heat of sublimation of iodine is \({\rm{24}}\,{\rm{Cal/g}}\) at \(\mathrm{200^{\circ} \mathrm{C}}\), what is its value at \(\mathrm{250^{\circ} \mathrm{C}}\) ?

369466 In Harber's process of ammonia manufacture :
\(\rm{\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(g)} \rightarrow 2 \mathrm{NH}_{3(g)} ; \Delta \mathrm{H}_{25^{\circ} \mathrm{C}}^{o}=-92.2 \mathrm{~kJ}}\)
\(\begin{array}{*{20}{c}}{{\rm{Molecule}}}&{{{\rm{N}}_{{\rm{2(g)}}}}}&{{{\rm{H}}_{{\rm{2(g)}}}}}&{{\rm{N}}{{\rm{H}}_{{\rm{3(g)}}}}}\\{{{\rm{C}}_{\rm{P}}}{\rm{J/}}\left( {{\rm{K}}\,{\rm{mol}}} \right)}&{{\rm{29}}{\rm{.1}}}&{{\rm{28}}{\rm{.8}}}&{{\rm{35}}{\rm{.1}}}\end{array}\)
If \(\mathrm{\mathrm{C}_{\mathrm{p}}}\) is independent of temperature, then reaction at \(\mathrm{100^{\circ} \mathrm{C}}\) as compared to that of \(\mathrm{25^{\circ} \mathrm{C}}\) will be :

369467 If \(\mathrm{38.55 \mathrm{~kJ}}\) of heat is absorbed, when 6.0 of \(\mathrm{\mathrm{O}_{2}}\) react \(\mathrm{C l F}\) according to reaction.
\(\mathrm{2 \mathrm{CIF}(\mathrm{g})+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{Cl}_{2}(\mathrm{~g})+\mathrm{OF}_{2}(\mathrm{~g})}\)
What is the standard enthalpy of reaction?