Which among the following is true for the reactions involving only solids or liquids?

To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas,the volume must be expressed in

Fill in the blanks:
$(i)$ $A$ system that allows the exchange of energy but not matter with the surroundings is called a ........ .
$(ii)$ The total amount of energy consisting of the internal energy of a substance plus the product of its pressure and volume is called ........ .
$(iii)$ The change in energy that occurs when a chemical reaction is carried out at constant pressure is called ........ .

Identify the correct equation relating enthalpy $(H)$ and internal energy $(E)$.

Give the formula that shows the relationship between the boiling point and the enthalpy of evaporation of a solvent.

Fill in the blanks:
$(i)$ $1 \ \text{calorie} = \ldots \ldots \ \text{joules}$
$(ii)$ The work done by the system can be calculated by the equation .......