Embibe Experts Solutions for Chapter: Thermodynamics, Exercise 1: JKCET 2018

Which of the following options is an intensive property of a system?

Thermodynamic properties are divided into two broad types: intensive properties and extensive properties. Which of the following is NOT an intensive property?

The standard enthalpy of formation for all elements in their standard state is

The heat of neutralisation will be highest in

What will be the enthalpy of formation of toluene considering the data given?
Bond energies of $\mathrm{C}-\mathrm{C}=79\mathrm{kcal},\mathrm{C}=\mathrm{C}=135\mathrm{kcal},$ $\mathrm{C}-\mathrm{H}=102\mathrm{kcal},$ heat of atomisation of $\mathrm{C}=156.8\mathrm{kcal}$ and heat of atomisation of $\mathrm{H}=49.5\mathrm{kcal}$

Read the following statements and choose the correct option.
$\left(\mathrm{i}\right)$ Burning of rocket fuel is accompanied by increase in entropy.
$\left(\mathrm{ii}\right)$ Melting of ice to water is characterised by increase in entropy.

What will be the $\Delta \mathrm{H}°$ and $\Delta \mathrm{S}°$ values for the given cell having $\text{E°}$ at $20°\mathrm{C}$ and $30°\mathrm{C}$ to be $0.18 \mathrm{V}$ and $0.28 \mathrm{V}$ respectively?

The cell: (Pt) ${\mathrm{H}}_2/{\mathrm{H}}^{+}//\mathrm{KCl}/{\mathrm{Hg}}_2{\mathrm{Cl}}_2/\mathrm{Hg}$ (Given: $1 \mathrm{F}=96500$ Coulombs)

Which one of the following options is CORRECT for the spontaneity of the reaction?