369296 Which of the following statements is true?

369297 Assertion :
The enthalpy of formation of gaseous oxygen molecules at \(298 \mathrm{~K}\) and under a pressure of one atmosphere is zero
Reason :
The entropy of formation of gaseous oxygen molecule under the same conditions is zero.

369298 Given the following entropy values (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) at \(\mathrm{298 \mathrm{~K}}\) and 1 atm: \(\mathrm{H_{2}(g): 130.6, \mathrm{Cl}_{2}(g): 223.0, \mathrm{HCl}(\mathrm{g}): 186.7}\). The entropy change (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) for the reaction \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{HCl}(\mathrm{g})}\) is

369299 For chemical reactions, the calculation of change in entropy is normally done

369296 Which of the following statements is true?

369297 Assertion :
The enthalpy of formation of gaseous oxygen molecules at \(298 \mathrm{~K}\) and under a pressure of one atmosphere is zero
Reason :
The entropy of formation of gaseous oxygen molecule under the same conditions is zero.

369298 Given the following entropy values (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) at \(\mathrm{298 \mathrm{~K}}\) and 1 atm: \(\mathrm{H_{2}(g): 130.6, \mathrm{Cl}_{2}(g): 223.0, \mathrm{HCl}(\mathrm{g}): 186.7}\). The entropy change (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) for the reaction \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{HCl}(\mathrm{g})}\) is

369299 For chemical reactions, the calculation of change in entropy is normally done

369296 Which of the following statements is true?

369297 Assertion :
The enthalpy of formation of gaseous oxygen molecules at \(298 \mathrm{~K}\) and under a pressure of one atmosphere is zero
Reason :
The entropy of formation of gaseous oxygen molecule under the same conditions is zero.

369298 Given the following entropy values (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) at \(\mathrm{298 \mathrm{~K}}\) and 1 atm: \(\mathrm{H_{2}(g): 130.6, \mathrm{Cl}_{2}(g): 223.0, \mathrm{HCl}(\mathrm{g}): 186.7}\). The entropy change (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) for the reaction \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{HCl}(\mathrm{g})}\) is

369299 For chemical reactions, the calculation of change in entropy is normally done

369296 Which of the following statements is true?

369297 Assertion :
The enthalpy of formation of gaseous oxygen molecules at \(298 \mathrm{~K}\) and under a pressure of one atmosphere is zero
Reason :
The entropy of formation of gaseous oxygen molecule under the same conditions is zero.

369298 Given the following entropy values (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) at \(\mathrm{298 \mathrm{~K}}\) and 1 atm: \(\mathrm{H_{2}(g): 130.6, \mathrm{Cl}_{2}(g): 223.0, \mathrm{HCl}(\mathrm{g}): 186.7}\). The entropy change (in \(\mathrm{\mathrm{J} \mathrm{K}^{-1} \mathrm{~mol}^{-1}}\) ) for the reaction \(\mathrm{\mathrm{H}_{2}(\mathrm{~g})+\mathrm{Cl}_{2}(\mathrm{~g}) \longrightarrow 2 \mathrm{HCl}(\mathrm{g})}\) is

369299 For chemical reactions, the calculation of change in entropy is normally done