Seema Saini Solutions for Chapter: Thermodynamics, Exercise 3: DPP 5.3

The heat of neutralization of a strong acid and a strong alkali is $-57.0 \mathrm{kJ} {\mathrm{eq}}^{-1}$. The heat released when $0.5 \mathrm{mole}$ of ${\mathrm{HNO}}_3$ solution is mixed with $0.2 \mathrm{mole}$ of $\mathrm{KOH}$ is

One mole of soda ash dissolves in water with the evolution of $25 \mathrm{kJ}$ of heat. Dissolution of $1 \mathrm{mol}$ of the hydrate crystals in water resulted in the absorption of $67 \mathrm{kJ}$ of heat. The heat released due to hydration of soda ash is:

Which of the following statements is/are correct?

Which of the following statements are correct?

Which of the following mixtures on neutralization will show a same rise in temperature?

Which of the following are incorrect?

Which of the following reactions are exothermic?

Select the correct statements.