The amount of heat absorbed when one mole of a liquid is changed into gas at its boiling point is_____________________?

Related Mcqs:

Vapour pressure of water at 100°C is___________________?

A. 55 mm Hg B. 760 mm Hg C. 355 mm Hg D. 1489 mm Hg...

Liquid crystal is discovered by __________________?

A. William Crooks B. Fredrack Reinitzer C. J.J Thomson D. Bravis...

Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?

A. More strength of H-bonding B. More strength of London forces C. Less polarizability D. All of the above...

When water freezes at 0°C its density decreases due to_______________?

A. Change of bond angles B. Cubic structure of ice C. Empty space present in the structure of ice D. Change of bond length...

If a physical and chemical change takes place at a constant pressure then the heat change during the process is called__________________?

A. Heat of transition B. Heat of fusion C. Enthalpy change D. All of above...