What is enthalpy of combustion? Explain its use.
The standard enthalpy change of combustion of a compound is the enthalpy change which occurs when one mole of the compound is burned completely in oxygen under standard conditions, and with everything in its standard state.
The enthalpy change of combustion will always have a negative value, of course, because burning
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Derive the integrated form of Clausius-Clapeyron equation.
How are physical properties of colloidal solutions different from those of true solutions and coarse dispersions? Explain.
Explain various types of v an der Waals forces giving the types of molecules in which
they are present.
Derive the following equation for a gas:
Define vapor pressure. Arrange ethanol, water and diethyl ether in the increasing
order of their vapour pressures giving suitable reason. Does vapour pressure vary
with temperature? Explain.
Show that for a cyclic process involving isothermal reversible expansion and
reversible compression, the total entropy change is zero.
Explain important features of standard hydrogen electrode giving the suitable diagram.