Enthalpies for Different Types of Reactions

From the data of following bond energies:

 $\begin{array}{l}H-Hbondenergy:431.37kJmo{l}^{-1}\\ C=Cbondenergy:606.10kJmo{l}^{-1}\\ C-Cbondenergy:336.49kJmo{l}^{-1}\\ C-Hbondenergy:410.50kJmo{l}^{-1}\end{array}$

Calculate the enthalpy of the following reaction in $kJmo{l}^{-1}$.

Equal volumes of molar hydrochloric acid and sulphuric acid are neutralized by dilute NaOH solution and x kcal and y kcal of heat are liberated respectively. Which of the following is true?

When $5$ litres of a gas mixture of methane and propane is perfectly combusted at $0^{\circ }\mathrm{C}$ and $1 \mathrm{atm}$, $16 \mathrm{litres}$ of oxygen at the same temperature and pressure is consumed. The amount of heat released from this combustion in $\mathrm{kJ}$ $\left(∆{\mathrm{H}}_{\mathrm{comb}}\left({\mathrm{CH}}_4\right)=890 \mathrm{kJ} {\mathrm{mol}}^{-1}, ∆{\mathrm{H}}_{\mathrm{comb}}\left({\mathrm{C}}_3{\mathrm{H}}_8\right)=2220 \mathrm{kJ} {\mathrm{mol}}^{-1}\right)$ is :

For which one of the following equation is ${\mathrm{\Delta H}}_{\mathrm{reaction}}^{\circ }$ equal to ${\mathrm{\Delta H}}_{\mathrm{f}}^{\circ }$ for the product ?

During the phase change of a substance enthalpy is changed.

Units of Enthalpy of Transition

Explain enthalpy of transition?

In Kirchhoff's equation, the term ${\mathrm{C}}_{\mathrm{v}}$ is used instead of ${\mathrm{C}}_{\mathrm{p}}$ at constant volume.

Kirchhoff's equation at constant volume is : 

The variation of $∆\mathrm{U}$ with temperature is expressed by Kirchoff's equation.

Temperature affects the  enthalpy change of a reaction.

Write the Kirchhoff's equation at constant volume and at constant pressure.

Specific heat capacity is not the parameter that is used to relate the enthalpy of a reaction and temperature.

Describe the effect of temperature on enthalpy of reaction.

What happens to the enthalpy of the system if its temperature increases?

Give the Kirchhoff's equation at constant volume.